Gas mileage on chevy avalanche

God those blizzaks were so much quieter. Keep in mind, when a 2500 is getting ~10-11 mpg, every additional mpg is a substantial increase. Right now, I'm averaging 11.0 mpg (calculated), and my best in the summer thus far has been 12.2 (calculated) and my best in winter was just shy of 13mpg. I do 90% highway driving.

13.7 Avg MPG. 2009 Avalanche. 2009 Chevrolet Avalanche LT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup. Added Jun 2022 • 60 Fuel-ups. Property of 97trophy. 16.0 Avg …The 2013 Chevy Avalanche offers only one engine and transmission choice: a Vortec 5.3-liter V8, matched to a 6-speed 6L80 Hydra-Matic transmission. ... EPA city/highway fuel economy: 15/21 mpg ...2004 Chevrolet Avalanche 1500 4WD. Personalize. Add a Vehicle. 5.3 L, 8 cyl, Automatic 4-spd. 2004 Chevrolet Avalanche 1500 4WD. EPA Fuel Economy. Regular Gasoline.Chevrolet Avalanche MPG. 266 Chevrolet Avalanches have provided 7.3 million miles of real world fuel economy & MPG data. Click here to view all the Chevrolet Avalanches currently participating in our fuel tracking program. 2013. 14.7 Avg MPG. 46 Vehicles. …Jan 17, 2020 ... Once again we're showing you a super clean vehicle with High Miles! If your a Chevy Fan would you buy this Avalanche LT or would you try ...

4.7. Consumer. Write a Review. Exterior (29) Interior (33) View All Media. 2013. 2012. 2011. 2010. 2009. 2008. 2007. 2006. 2005. 2004. 2003. 2002. Fuel Economy. 17 combined mpg. Horsepower. 320...The most accurate 2008 Chevrolet Avalanches MPG estimates based on real world results of 1.2 million miles driven in 44 Chevrolet Avalanches ... 2008 Chevrolet Avalanche LTZ 6.0L V8 GAS Automatic 4 Speed Added Jun 2016 • 833 Fuel-ups. Property of …The most accurate 2002 Chevrolet Avalanche 1500s MPG estimates based on real world results of 1.6 million miles driven in 93 Chevrolet Avalanche 1500s ... 2002 Chevrolet Avalanche 1500 Z71 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup Added Jan 2018 • 115 Fuel-ups. Property of Lovelyvicki . 15.5 Avg MPG.Electric cars are growing in popularity as people become more environmentally conscious and look for ways to save money on gas. However, one of the biggest concerns that potential ...The most accurate 2002 Chevrolet Avalanche 2500s MPG estimates based on real world results of 124 thousand miles driven in 11 Chevrolet Avalanche 2500s13.7 Avg MPG. 2009 Avalanche. 2009 Chevrolet Avalanche LT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup. Added Jun 2022 • 60 Fuel-ups. Property of 97trophy. 16.0 Avg …from other Chevrolet Avalanche vehicles . 97trophy fueled-up their 2009 Chevrolet Avalanche. Last Tank: 16.1 MPG 5 days ago; shepral fueled-up their 2013 Chevrolet Avalanche. Last Tank: 16.1 MPG 6 days ago; DDK319 had 1 best tank(s) for their 2007 Chevrolet Avalanche. Last Tank: 37.5 MPG 1 week ago; Nippon added 1 notes for their 2011 Chevrolet ...2011 Chevrolet Avalanche 1500 LTZ ** 171K Mileage ** FOUR WHEEL DRIVE ** Safety checked and inspected. ... 2011 Chevrolet Avalanche 1500 LTZ 4WD Vortec 5.3L V8 SFI Flex Fuel Odometer is 53757 ...

How to tell whether it's going to be a long-term relationship, or more of a fling. When buying a new car, it can be easy to get caught up in all the special features and amenities,...The Edmunds TCO ® estimated monthly insurance payment for a 2010 Chevrolet Avalanche in Virginia is: View detailed gas mileage data for the 2010 Chevrolet Avalanche. Use our handy tool to get ...2011 Chevrolet Avalanche 1500 LTZ ** 171K Mileage ** FOUR WHEEL DRIVE ** Safety checked and inspected. ... 17 Combined MPG (15 City/21 Highway) Listing Information: VIN: ...Fuel Economy of the 2012 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and greenhouse gas emissions of the 2012 Chevrolet Avalanche 1500 4WD side-by-side with other cars and trucks2004 Chevrolet Avalanche 1500 MPG. Based on data from 78 vehicles, 5,429 fuel-ups and 1,603,758 miles of driving, the 2004 Chevrolet Avalanche 1500 gets a combined ...

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Performance & mpg. All 1500 Avalanche models feature a 5.3-liter Vortec V8 rated at 295 horsepower and 335 pound-feet of torque hooked to a four-speed automatic transmission. Avalanche 2500 ...13.7 Avg MPG. 2009 Avalanche. 2009 Chevrolet Avalanche LT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup. Added Jun 2022 • 60 Fuel-ups. Property of 97trophy. 16.0 Avg …Fuel economy of the 2006 Chevrolet Avalanche. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks.Gas Mileage Tips; Driving More Efficiently; Keeping Your Car in Shape; Planning and Combining Trips; ... 2007 Chevrolet Avalanche 1500 2WD 8 cyl, 6.0 L, Automatic 4-spd Regular Gasoline: Not Available. How can I share my MPG? Combined MPG: 15. combined. city/highway. MPG. City MPG: 13. city.Detailed specs and features for the Used 2012 Chevrolet Avalanche including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

However I can get real world 20mpg +- on good smooth interstate driving. I am 5 miles from town, driving back and forth and a little in town driving and I am getting 13-14MPG. Add in the real city driving with a lot of stop and going + the hills, right back to 10 - …Fuel Economy of the 2004 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and greenhouse gas emissions of the 2004 Chevrolet Avalanche 1500 4WD side-by-side with other cars and trucks. ... 2004 Chevrolet Avalanche 1500 4WD EPA Size Class : Sport Utility Vehicle - 4WD: Drive: 4-Wheel or All-Wheel Drive: Stop-Start Technology:Get your Chevrolet Avalanche Performance Chip now for only $59.99 with free shipping! ... My 2006 Chevy Trailblazer is running way smoother. I went on a little roadtrip to Denver this past weekend and saved an additional 3-4 mpg. ... on a 2011 Tahoe. After installation, I get 16-17 MPG around the city making filling up a breeze. Only have to ...Fuel Economy of the 2012 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and greenhouse gas emissions of the 2012 Chevrolet Avalanche 1500 4WD side-by-side with other cars and trucksFuel Economy of the 2012 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and greenhouse gas emissions of the 2012 Chevrolet Avalanche 1500 4WD side-by-side with other cars and trucks. ... 2012 Chevrolet Avalanche 1500 4WD EPA Size Class : Sport Utility Vehicle - 4WD: Drive: 4-Wheel Drive: Stop-Start Technology: Not Available: …Fuel Economy of the 2012 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and greenhouse gas emissions of the 2012 Chevrolet Avalanche 1500 4WD side-by-side with other cars and trucks. ... 2012 Chevrolet Avalanche 1500 4WD EPA Size Class : Sport Utility Vehicle - 4WD: Drive: 4-Wheel Drive: Stop-Start Technology: Not Available: …Five year cost savings for flexible fuel vehicles assume you drive on gasoline only. Fuel Economy of the 2013 Chevrolet Avalanche 1500 4WD. Compare the gas mileage and … The Edmunds TCO ® estimated monthly insurance payment for a 2005 Chevrolet Avalanche in Washington is: View detailed gas mileage data for the 2005 Chevrolet Avalanche. Use our handy tool to get ... The most accurate 2003 Chevrolet Avalanche 2500s MPG estimates based on real world results of 27 thousand miles driven in 3 Chevrolet Avalanche 2500s ... 2003 Chevrolet Avalanche 2500 GAS V8 Added Oct 2012 • 10 Fuel-ups. Property of chrisPE . 12.0 Avg MPG. Avalanche. 2003 Chevrolet Avalanche 2500 GAS V8 Added Nov 2013 • 8 Fuel …The most accurate 2011 Chevrolet Avalanches MPG estimates based on real world results of 1.3 million miles driven in 42 Chevrolet Avalanches ... 2011 Chevrolet Avalanche MPG. Based on data from 42 vehicles, 4,278 fuel-ups and 1,329,115 miles of driving, the 2011 Chevrolet Avalanche gets a combined Avg MPG of 14.62 with a 0.09 MPG margin of ... The Chevrolet Avalanche is a sporty, full-sized SUV with the towing power of a truck. Its 5.3-liter V8 engine offers great power, but a performance chip can help get the most out of that engine. A performance chip reprograms the Avalanche's engine computer for optimal power, allowing for improved throttle response and faster acceleration. What is the MPG for a 2010 Chevrolet Avalanche? The 2010 Chevrolet Avalanche gets 15 mpg in the city and 21 mpg on the highway. Also from Chevrolet. 2010 Chevrolet Aveo; 2010 Chevrolet Camaro;

Chevy offers the Avalanche with two Vortec 5.3-liter small block V-8s, the iron-block LMG and the all-aluminum LC9, both with cylinder deactivation. ... RWD: 14 mpg city/20 mpg highway 4WD: 14 mpg ...

Advertisement Avalanches are most common on smooth, steep slopes, without a lot of obstacles or tree cover. Unfortunately, these are the sorts of areas backcountry enthusiasts like...A spark plug is an electrical component of a cylinder head in an internal combustion engine. It generates a spark in the ignition foil in the combustion chamber, creating a gap for... The most accurate 2003 Chevrolet Avalanche 1500s MPG estimates based on real world results of 2.3 million miles driven in 72 Chevrolet Avalanche 1500s 2002. 10.0 Avg MPG. 11 Vehicles. 472 Fuel-ups. 123,765 Miles Tracked. View All 2002 Chevrolet Avalanche 2500s. The most accurate Chevrolet Avalanche 2500 MPG estimates based on real world results of 242 thousand miles driven in 19 Chevrolet Avalanche 2500s.Due to the issues with body cladding, weak transmissions, and the fact they are roughly 20 years old make the 2001-2002 Chevrolet Avalanches the worst years of the truck. If you’re deadset on a first-generation Avalanche and are into the body cladding, we’d recommend going for a 2003-2005 model.Fuel economy of the 2004 Chevrolet Avalanche 1500 4WD. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks.06 Avalanche. 2006 Chevrolet Avalanche 1500 Z71 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup Added Oct 2017 • 144 Fuel-ups. Property of jagwizdz The most accurate 2003 Chevrolet Avalanche 1500s MPG estimates based on real world results of 2.3 million miles driven in 72 Chevrolet Avalanche 1500s

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Mar 23, 2022 ... The Rarest truck Chevy EVER Made. A 2006 Chevy Avalanche 2500 with Only 28,000 Original Miles! 9.4K views · 2 years ago ...more. All Dick'd ...On the highway, I usually average 14.5 to 15. ? I got one freeway tank that gave 15.8mpg, but I also had one at 13.9, so it averages out. I'd say count on 11 city and 14.5 highway would capture the situation on my 2500 LT 4X4 Avalanche. My Av has the 4.10 rear end (for towing) so it is a worst case senario.Btw gas prices here are at $1.43/litre can. or $4.39/g u.s. See, when the vast majority of traffic on the road is doing 80-90mph, it's just kinda what you end up doing. The police don't bother enforcing the speed limit, it causes too much congestion on a two lane major highway and as a result, people don't care. 7.7 gal/100 mi. 15.7. $4,200. 22.9 barrels/yr. 684 grams/mile. Range not available. Page 1. Fuel economy of the 2002 Chevrolet Avalanche. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. The most accurate 2010 Chevrolet Avalanches MPG estimates based on real world results of 712 thousand miles driven in 30 Chevrolet Avalanches ... 2010 Chevrolet Avalanche LTZ 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup Added Nov 2017 • 42 Fuel-ups. Property of Ohiobill . 16.4 Avg MPG.Based on data from 46 vehicles, 4,231 fuel-ups and 1,296,541 miles of driving, the 2013 Chevrolet Avalanche gets a combined Avg MPG of 14.74 with a 0.10 MPG margin of error. Below you can see a distribution of the fuel-ups with 176 outliers (3.99%) removed. Following shows the average MPG of each of the 46 vehicles in the system. « 1. 2. 3. »EPA Fuel Economy, combined/city/highway (mpg) 17 / 15 / 21. Fuel Tank. Fuel Capacity / Gas Tank Size. 31.5. ... Chevrolet Avalanche Specs for Other Model Years. 2012 Chevrolet Avalanche;The 2005 Chevrolet Avalanche has a combined MPG of 19 which ranks it #2 of 9 other Full Size Pickup Trucks. 1. 2005 Toyota Tundra. 22 MPG. 2. 2005 Chevrolet Avalanche. 19 MPG. 3.All model years for the Chevrolet Avalanche. Research the 2004 Chevrolet Avalanche at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. ….

Gas Mileage Tips; Driving More Efficiently; Keeping Your Car in Shape; Planning and Combining Trips; ... 2007 Chevrolet Avalanche 1500 2WD 8 cyl, 6.0 L, Automatic 4-spd Regular Gasoline: Not Available. How can I share my MPG? Combined MPG: 15. combined. city/highway. MPG. City MPG: 13. city.Douglas, MA. Mar 31, 2003. #5. Fuel mileage wise, a free-flow, straight through, exhaust enabled me to see mid to high 18's on the highway. I was previously in the 16's no matter what kind of driving I did. Driveability, The MSD wires are the best bang for the buck. Slight, increase in 'around the town' driving for me.18 MPG. 15 City. 21 Highway. Tailpipe Emissions. 8.3 tons CO 2. Avalanche LTZ. vs. 7.6 tons. Avg. Large Truck. Yearly estimate based on your driving miles. Learn more about 2011 Chevrolet... Research the 2009 Chevrolet Avalanche at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. The overall fuel economy rating of the Avalanche is 17 MPG, and 20 MPG for the Silverado. However, in the city, the Avalanche’s fuel consumption is rated at 15 MPG, and 19 MPG for the Silverado. ... The Chevy Avalanche is built on a Chevy Suburban chassis with a big truck bed nearly the size of a Silverado. That is why the AV … The Avalanche’s standard engine is a 310-horsepower (326 hp with E85 fuel), 5.3-liter V-8 with an iron block, rated at 335 pounds-feet of torque (350 pounds-feet of torque with E85) with a six ... city. Highway MPG: 12. highway. 10.0 gal/100mi. Gas Mileage, greenhouse gas emission, air pollutant emissions and of model year Flex-Fuel (E85) Vehicles.Performance & mpg. All 1500 Avalanche models feature a 5.3-liter Vortec V8 rated at 295 horsepower and 335 pound-feet of torque hooked to a four-speed automatic transmission. Avalanche 2500 ... Gas mileage on chevy avalanche, Everything you need to know about each trim in the 2005 Chevy Avalanche 1500 lineup, all in one place. ... City 13/Hwy 17/Comb 15 MPG. Fuel Type: Flexible Fuel. Flexible Fuel. Horsepower: 295 ..., Feb 16, 2023 · 6. Old or incorrect engine oil. Using the wrong type of engine oil or not changing the engine oil on time can lead to decreased fuel efficiency and reduced gas mileage in Avalanche. Engine oil is responsible for lubricating the engine components and reducing friction, which can improve fuel efficiency. , The Silverado EV’s Work Truck grade will have 8,000 pounds of towing capacity and 1,200 pounds of payload capacity, but Chevrolet says it’s planning to release a WT version with 20,000 pounds ..., 17. Combined MPGe. 6. Seating capacity. 221.30” x 76.60” Dimensions. Rear-wheel drive. Drivetrain. View all 2013 Chevrolet Avalanche specs . Overview. 4.7 (53 reviews) The good: Unique midgate..., Jan 17, 2020 ... Once again we're showing you a super clean vehicle with High Miles! If your a Chevy Fan would you buy this Avalanche LT or would you try ..., Use your cruise control whenever possible. Keeping your highway speed at 55 mph can improve you gas mileage by as much as 25%, compared to 75 mph. (Yeah, I know--this one's tough for us too) Avoid trying to increase speed while climbing a hill, your engine is already working hard trying to overcome gravity., The 1967 Chevy Impala gets an average gas mileage of 14.4 mpg. This translates to a range of 290 miles on a full tank. The exact mileage depends on the habits of the driver, traffi..., 7.7 gal/100 mi. 15.7. $4,200. 22.9 barrels/yr. 684 grams/mile. Range not available. Page 1. Fuel economy of the 2002 Chevrolet Avalanche. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks., Save up to $4,325 on one of 31 used Chevrolet Avalanches for sale in Lansing, MI. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools., Highway MPG: 14. highway. 8.3 gal/100mi. 2007 Chevrolet Avalanche 1500 4WD 8 cyl, 6.0 L, Automatic 4-spd. Regular Gasoline. , The partnership will provide Alibaba’s clients with a launchpad that aims to help businesses launch their own metaverse spaces on Avalanche’s blockchain. Alibaba Cloud, the digital..., Fuel economy of the 2002 Chevrolet Avalanche 1500 4WD. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks., Planning a road trip can be an exciting adventure, but it’s essential to consider the cost of fuel. With fluctuating gas prices, it’s no surprise that many travelers are looking fo..., Cruise set @ 70 mph we use 3/4 tank fuel roung trip and averaged 21.5 mpg. Next trip, Cincinnati to Cave Run Lake in Kentucky 300 mile round trip. 4 guy in the truck, bed full pulling my 21ft, 4500lb boat. Overdrive off, tow haul on @ 68mph averaged 13.6 mpg. Aroung town average is 16 to 17 mph., 2010 Chevrolet Avalanche LTZ 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup Added Nov 2017 • 447 Fuel-ups. Property of crappawpeterson . 15.4 Avg MPG. Blanche. 2010 Chevrolet Avalanche LS 5.3L V8 FLEX Automatic 6 Speed Added Dec 2020 • 3 Fuel-ups. Property of RomeRomz . 14.3 Avg MPG., Used 2006 Chevrolet Avalanche For Sale. MPG & Gas Mileage Data. View detailed gas mileage data for the 2006 Chevrolet Avalanche. Use our handy tool to get estimated annual fuel costs based on your ... , NA. $3,400. 18.6 barrels/yr. 555 grams/mile. 496 miles. Total Range. Page 1. Fuel economy of the 2013 Chevrolet Avalanche. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. , Need MPG information on the 2011 Chevrolet Avalanche? Visit Cars.com and get the latest information, as well as detailed specs and features. ... 21 MPG: Cruising Range - City: 465.00 mi: EPA Fuel ..., The partnership will provide Alibaba’s clients with a launchpad that aims to help businesses launch their own metaverse spaces on Avalanche’s blockchain. Alibaba Cloud, the digital..., The Edmunds TCO ® estimated monthly insurance payment for a 2010 Chevrolet Avalanche in Virginia is: View detailed gas mileage data for the 2010 Chevrolet Avalanche. Use our handy tool to get ..., 2002 Chevrolet Avalanche 1500 4WD. Personalize. Add a Vehicle. 5.3 L, 8 cyl, Automatic 4-spd. 2002 Chevrolet Avalanche 1500 4WD. EPA Fuel Economy. Regular Gasoline., 27.6. $2,950. 12.9 barrels/yr. 386 grams/mile. 368 miles. Total Range. Page 1. Fuel economy of the 2007 Chevrolet Avalanche 1500 4WD. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks., 2003 Chevrolet Avalanche 1500 4WD Personalize Find a car: Flex-Fuel Vehicle. 8 cyl, 5.3 L, Automatic 4-spd Compare: Fuel Economy ... Combined MPG: 11. combined. city/highway. MPG. City MPG: 9. city. Highway MPG: 13. highway. 9.1 gal/100mi. Unofficial MPG Estimates Shared by Vehicle Owners : Owner MPG Estimates are not yet …, Edmunds' expert review of the Used 2004 Chevy Avalanche provides the latest look at trim-level features and specs, performance, safety, and comfort. ... Combined MPG: 15 MPG: Cost to Drive: $278 ..., LT Sport Utility Pickup 4D 5 1/4 ft. $36,940. $8,295. LTZ Sport Utility Pickup 4D 5 1/4 ft. $43,670. $9,077. For reference, the 2007 Chevrolet Avalanche originally had a starting sticker price of ..., 2010 Chevrolet Avalanche MPG. Based on data from 30 vehicles, 2,045 fuel-ups and 709,830 miles of driving, the 2010 Chevrolet Avalanche gets a combined Avg MPG of 15. ..., 2002. 13.8 Avg MPG. 93 Vehicles. 5,274 Fuel-ups. 1,622,092 Miles Tracked. View All 2002 Chevrolet Avalanche 1500s. The most accurate Chevrolet Avalanche 1500 MPG estimates based on real world results of 6.9 million miles driven in 310 Chevrolet Avalanche 1500s., Detailed specs and features for the Used 2005 Chevrolet Avalanche 1500 LS including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more., Gas Mileage 14 mpg City/20 mpg Hwy. Engine Gas V8, 5.3L. EPA Class No Data. ... Compare the 2008 Chevrolet Avalanche against the competition 2008 Ford F-150. 7.6. Compare Cars;, from other Chevrolet Avalanche vehicles . 97trophy fueled-up their 2009 Chevrolet Avalanche. Last Tank: 16.1 MPG 5 days ago; shepral fueled-up their 2013 Chevrolet Avalanche. Last Tank: 16.1 MPG 6 days ago; DDK319 had 1 best tank(s) for their 2007 Chevrolet Avalanche. Last Tank: 37.5 MPG 1 week ago; Nippon added 1 notes for their 2011 Chevrolet ..., The overall fuel economy rating of the Avalanche is 17 MPG, and 20 MPG for the Silverado. However, in the city, the Avalanche’s fuel consumption is rated at 15 MPG, and 19 MPG for the Silverado. ... The Chevy Avalanche is built on a Chevy Suburban chassis with a big truck bed nearly the size of a Silverado. That is why the AV …, 17 combined mpg. Horsepower. 320 hp. Seating. 5 - 6. Cargo Volume. 45.5 cu ft. Next Steps: Shopping for this car? See Cars for Sale. Build & Price. Get My Car's …, 2005 Chevrolet Avalanche 1500 4WD. Search by make for fuel efficient new and used cars and trucks ... 2005 Chevrolet Avalanche 1500 4WD Personalize Find a car: Flex-Fuel Vehicle. 8 cyl, 5.3 L, Automatic 4-spd Compare: Fuel Economy; EPA MPG: Regular Gas Combined MPG: 14. combined. city/highway. MPG. City MPG: 13. city. Highway MPG: …