

Model Year | Body/Powertrain | MPG | |
2014 | 2014 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range | 18.95 | See all data |
With the 420-horsepower 6.2L V8 engine, 10-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2014 GMC Sierra 1500 has been averaging 18.95 MPG (miles per gallon). The 2014 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 75 percent of the miles driven). The rest of the miles were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent). In addition, the average 2014 GMC Sierra 1500 in this analysis was driven on hilly terrain with a medium foot and the AC not used at all. |
|||
2014 | 2014 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD | 25 | See all data |
What Our Members Are Saying about the Real Gas Mileage of the 2014 GMC Sierra 1500
None of our members have yet commented on the real gas mileage of the 2014 GMC Sierra 1500.
Be the first!