What gas mileage does a GMC Sierra get?
2021 GMC Sierra
| EPA MPG | Owner MPG Estimates |
|---|---|
| 2021 GMC Sierra Cab Chassis 2WD 8 cyl, 5.3 L, Automatic 6-spd | |
| Regular Gasoline | Not Available How can I share my MPG? |
| Combined MPG:21 combined city/highway MPG City MPG:20 city Highway MPG:23 highway 4.8 gals/ 100 miles | |
| 2021 GMC Sierra 2WD 4 cyl, 2.7 L, Automatic 8-spd |
Which GMC Sierra has the best gas mileage?
2021 GMC Sierra 1500 2WD Diesel | 26 MPG The smooth, torquey Duramax diesel engine is only available on Sierra double cab (extended-cab) and four-door crew cab models, and it delivers its best fuel economy with two-wheel drive.
Why is my truck all of a sudden getting bad gas mileage?
Here are some the main causes for a sudden drop in gas mileage: Bad oxygen sensor and air filters-in all forms will affect the fuel mixture and your fuel efficiency. Incorrect tire pressure and/or poor alignment-tires that have low pressure or are out of alignment can cause a drop in fuel efficiency.
Why do 4×4 trucks waste more gas?
A 4-wheel drive will use more gas since it has more drivetrain components and weight compared to a 2WD of the same make and model. 4 wheel drives have additional components such as an extra differential, transfer case, and an extra driveshaft.
What gas does a 2021 GMC Sierra take?
Find and Compare Cars
| 2021 GMC Sierra 4WD AT4 | |
|---|---|
| Personalize Find a car | 8 cyl, 6.2 L, Automatic 10-spd Compare |
| Fuel Economy | |
| EPA MPG | Premium Gasoline 17 combined city/highway MPG 15 city 19 highway 5.9 gals/100 miles |
What is the most economical 4×4 pickup?
8 – Great Wall Steed (32.8mpg)