DecodedCarsGMC Sierra vs Toyota Tundra
2026 GMC Sierra vs 2026 Toyota Tundra — two standard pickup trucks compared on efficiency, size, safety and reliability.
The short version
The GMC Sierra is more fuel-efficient: 25 vs 22 MPG combined in its best version.
That works out to about $1,950 a year less in fuel for the GMC Sierra (EPA estimate, 15,000 miles).
Across all model years since 2005, the Toyota Tundra has had fewer recall campaigns (62 vs 102).
The two cars
The 2026 GMC Sierra is a standard pickup truck offered with 4 engines (3.0L 6-cyl turbo, 2.7L 4-cyl turbo, 5.3L 8-cyl and 6.2L 8-cyl) and 4-wheel drive and rear-wheel drive. It measures about 241 inches long and 81 inches wide on a 157-inch wheelbase, with a curb weight of roughly 4,694 lb (1500 Crew Cab M/Box 2WD).
The 2026 Toyota Tundra is a standard pickup truck offered with a 3.4L 6-cyl turbo engine, including a hybrid version and rear-wheel drive and part-time 4-wheel drive. It measures about 246 inches long and 80 inches wide on a 158-inch wheelbase, with a curb weight of roughly 6,096 lb (Crewmax Hybrid L/Box).
Buying used? The 2018 Sierra and the 2021 Tundra have the fewest problems in our data; avoid the 2015 Sierra and the 2023 Tundra.
| 2026 GMC Sierra | 2026 Toyota Tundra | |
|---|---|---|
| Class | Standard Pickup Trucks 4WD | Standard Pickup Trucks 2WD |
| Engines | 3.0L 6-cyl turbo, 2.7L 4-cyl turbo, 5.3L 8-cyl, 6.2L 8-cyl | 3.4L 6-cyl turbo |
| Drivetrain | 4-Wheel Drive, Rear-Wheel Drive | Rear-Wheel Drive, Part-time 4-Wheel Drive |
| NHTSA overall | Not rated | Not rated |
| Best combined MPG | 25 MPG | 22 MPG |
| City / highway MPG (best) | 23 city | 20 city |
| EV range | 410 mi | – |
| Fuel cost per year (EPA) | $1,100 | $3,050 |
| Horsepower (most powerful) | – | 389 hp |
| Seats (most) | – | 5 |
| Driver-assist features standard | – | 12 |
| Length | 231.9 in | 233.5 in |
| Width | 81.1 in | 79.9 in |
| Height | 75.6 in | 76 in |
| Curb weight (lightest) | 4,619 lb | 5,291 lb |
| Recalls (2026) | 6 | 2 |
| Recalls, all years since 2005 | 102 | 62 |
| Owner complaints (latest year) | 169 | 37 |
| Wikipedia views, 30 days | – | 17,607 |
| Best used year | 2018 | 2021 |
| Year to avoid | 2015 | 2023 |
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the GMC Sierra if…
- You want lower fuel bills (25 vs 22 MPG)
- You want an EV with more range (410 miles)
Choose the Toyota Tundra if…
- You put reliability history first (62 vs 102 recalls since 2005)
Pros & cons of each
2026 GMC Sierra
- Excellent fuel economyUp to 25 MPG combined — 37% better than the average 2026 standard pickup truck (18.3 MPG).
- Long EV rangeUp to 410 miles on a charge (EPA).
- Electric version availableOffered as a electric as well as gas.
- AWD / 4WD available
- "Do not drive" recallCheck that the recall repair was done before buying or driving.
2026 Toyota Tundra
- Hybrid version availableOffered as a hybrid as well as gas.
- AWD / 4WD available
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
Full 2026 GMC Sierra specs →Full 2026 Toyota Tundra specs →Compare fuel costs for your driving →Compare size & garage fit →