What Are the Most Fuel-Efficient GMC Models?
Looking for a fuel-efficient GMC nearby? Pay a visit to our GMC dealership near Taunton to get a better look at our most fuel-efficient vehicles. Find the GMC truck that saves gas while hauling whatever you're towing. Or, check out our selection of fuel-efficient models for a comfortable and eco-friendly ride.
You can compare GMC mpg ratings to find a powerful yet economic SUV or truck, or feel free to ask about EV ranges when you explore our lineup of electric vehicles. Our team is ready to help Massachusetts drivers find the fuel-efficient GMC that's just right for them!
What Is the Most Fuel-Efficient GMC?
The most fuel-efficient GMC SUV is the 2026 GMC Terrain with 28 highway mpg, while the Sierra 1500 that's equipped with the Duramax® Turbo-Diesel engine is the GMC truck with the best gas mileage, as it also returns up to 28 highway mpg. Take a look at our inventory of new GMC SUVs and trucks to find more fuel-efficient vehicles.
South Shore GMC drivers looking for a family SUV can opt for an Acadia or Yukon, both which return up to 26 highway mpg. Or, browse our inventory of Canyon pickups to find your ideal off-road companion. Compare GMC fuel-efficient models to find the one that suits you best.
| Model | Max Highway MPG |
|---|---|
| 2026 GMC Sierra 1500 (Diesel) | 28 |
| 2026 GMC Terrain | 28 |
| 2026 GMC Acadia | 26 |
| 2026 GMC Yukon (Diesel) | 26 |
| 2026 GMC Canyon | 23 |
Which GMC EV Has the Best Range?
The GMC lineup includes several electric vehicles, which allow you to take advantage of the same great power and performance with zero emissions. The 2026 GMC Sierra EV has a maximum range of up to 478 miles on a single charge, making it the longest-range electric vehicle in the current GMC lineup.
Meanwhile, fan favorites like the HUMMER EV offer exceptional capabilities, with the HUMMER EV Pickup range stretching to 363 miles and the SUV reaching 319 miles on a full charge.
| Model | Max Range (mi.) |
|---|---|
| 2026 GMC Sierra EV | 478 |
| 2026 GMC HUMMER EV Pickup | 363 |
| 2026 GMC HUMMER EV SUV | 319 |
2026 GMC Fuel Efficiency Frequently Asked Questions
What is the most fuel-efficient 2026 GMC SUV?
The most fuel-efficient GMC SUV is the 2026 GMC Terrain, which delivers up to 28 highway mpg. South Shore families looking for larger options can also choose the Acadia or Yukon, both returning up to 26 highway mpg.
Which GMC truck gets the best gas mileage?
The 2026 GMC Sierra 1500, equipped with the Duramax® Turbo-Diesel engine, offers the best gas mileage among GMC trucks, reaching up to 28 highway mpg. Drivers seeking a middle ground or off-road companion can opt for the Canyon, which yields up to 23 highway mpg.
Which 2026 GMC EV has the longest driving range?
The 2026 GMC Sierra EV offers the longest driving range in the lineup, traveling up to 478 miles on a single charge with zero emissions. Other electric options include the HUMMER EV Pickup with up to 363 miles of range and the HUMMER EV SUV with up to 319 miles on a full charge.
Where can I buy or test-drive a fuel-efficient GMC near Taunton, MA?
You can buy or test drive a fuel-efficient GMC at Mastria GMC. Our team helps Massachusetts drivers compare mpg ratings, explore EV ranges and find the right truck or SUV for their needs. Schedule a GMC test-drive near Taunton today.