U.S. vehicle reference
2008 GMC Sierra 1500 MPG, Fuel Cost and Recalls
2008 GMC Sierra 1500 MPG and annual fuel cost by engine, with EPA ratings and NHTSA recall records below.
At a glance
2008 GMC Sierra 1500 reference
Use the summary to orient yourself, then open the exact engine, drivetrain and source record below.
2008 GMC Sierra 1500 MPG by engine and drivetrain
EPA combined ratings run from 14 to 17 mpg across 12 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
| Engine / transmission | City | Highway | Combined | Annual fuel | CO₂ |
|---|---|---|---|---|---|
| 4.3L 6-cylinderAutomatic 4-spd · Rear-Wheel Drive · Regular Gasoline | 15 mpg | 20 mpg | 17 mpg | $3,600 | 522.7647058823529 g/mi |
| 4.8L 8-cylinderAutomatic 4-spd · Rear-Wheel Drive · Regular Gasoline | 14 mpg | 19 mpg | 16 mpg | $3,850 | 555.4375 g/mi |
| 5.3L 8-cylinderAutomatic 4-spd · Rear-Wheel Drive · Regular Gasoline | 15 mpg | 20 mpg | 17 mpg | $3,600 | 522.7647058823529 g/mi |
| 6.0L 8-cylinderAutomatic 4-spd · Rear-Wheel Drive · Regular Gasoline | 13 mpg | 18 mpg | 15 mpg | $4,100 | 592.4666666666667 g/mi |
| 6.2L 8-cylinderAutomatic 6-spd · Rear-Wheel Drive · Premium Gasoline | 12 mpg | 19 mpg | 15 mpg | $5,050 | 592.4666666666667 g/mi |
| 4.3L 6-cylinderAutomatic 4-spd · 4-Wheel or All-Wheel Drive · Regular Gasoline | 14 mpg | 18 mpg | 15 mpg | $4,100 | 592.4666666666667 g/mi |
| 4.8L 8-cylinderAutomatic 4-spd · 4-Wheel or All-Wheel Drive · Regular Gasoline | 14 mpg | 18 mpg | 16 mpg | $3,850 | 555.4375 g/mi |
| 5.3L 8-cylinderAutomatic 4-spd · 4-Wheel or All-Wheel Drive · Regular Gasoline | 14 mpg | 19 mpg | 16 mpg | $3,850 | 555.4375 g/mi |
| 6.0L 8-cylinderAutomatic 4-spd · 4-Wheel or All-Wheel Drive · Regular Gasoline | 13 mpg | 17 mpg | 14 mpg | $4,400 | 634.7857142857143 g/mi |
| 6.2L 8-cylinderAutomatic 6-spd · 4-Wheel or All-Wheel Drive · Premium Gasoline | 12 mpg | 18 mpg | 14 mpg | $5,450 | 634.7857142857143 g/mi |
| 5.3L 8-cylinderAutomatic 4-spd · Rear-Wheel Drive · Regular Gasoline | 15 mpg | 20 mpg | 17 mpg | $3,600 | 522.7647058823529 g/mi |
| 5.3L 8-cylinderAutomatic 4-spd · 4-Wheel or All-Wheel Drive · Regular Gasoline | 14 mpg | 19 mpg | 16 mpg | $3,850 | 555.4375 g/mi |
Annual fuel figures are the EPA snapshot at the source date. The calculator below uses the separately dated fuel-price record and your inputs, so the estimates may differ.
2008 GMC Sierra 1500 annual fuel cost calculator
Start with the combined MPG for 4.3L 6-cylinder, Automatic 4-spd, Rear-Wheel Drive. Replace it with your measured gas mileage and local pump price for a personal budget.
Formula annual miles ÷ MPG × gasoline price
Fuel cost per mile equals gasoline price divided by MPG. Multiply by your annual mileage for a yearly fuel budget. Add maintenance to estimate cost per mile.
2008 GMC Sierra 1500 recall campaigns
NHTSA returned 2 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21V052000
General Motors, LLC (GM) is recalling certain 2009 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 23, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on September 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020, Cadillac customer service at 1-800-458-8006, and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328780.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21V050000
General Motors, LLC (GM) is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL, and 2009-2011 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500 and Sierra 3500 vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 22, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on March 1, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328760.
2008 GMC Sierra 1500 NHTSA safety ratings
No rating is published in the stored record for this year and model.
NHTSA 5-Star Safety Ratings API Accessed 2026-09-05Frequently asked questions
What is the 2008 GMC Sierra 1500 gas mileage?
EPA combined ratings run from 14 to 17 mpg across 12 configurations. Match the engine, transmission and drivetrain in the table before comparing fuel costs.
Are these real-world MPG figures for the Sierra 1500?
These are EPA ratings, not owner-reported mileage. Use your measured MPG in the calculator to estimate your own fuel budget. The configuration table keeps city, highway and combined ratings separate.
Does the 2008 GMC Sierra 1500 have recalls?
NHTSA returned 2 model-level campaign records as of 2026-09-04. A campaign record does not establish whether your vehicle is affected or whether a repair is outstanding. Check your VIN through NHTSA.
Does annual fuel cost include servicing or insurance?
No. The EPA cost and the calculator cover fuel only. Use the cost-per-mile calculator to add a maintenance allowance. Insurance, depreciation, finance costs and registration are separate ownership expenses.
Compare similar vehicles
Sources and record dates
U.S. EPA FuelEconomy.gov vehicle dataset Accessed 2026-09-05U.S. EIA public gasoline price table Accessed 2026-09-05NHTSA Recalls API Accessed 2026-09-04NHTSA 5-Star Safety Ratings API Accessed 2026-09-05Last updated