DecodedCarsGenesis GV70 vs Mercedes-Benz G-Class
2026 Genesis GV70 vs 2026 Mercedes-Benz G-Class — two standard SUVs compared on efficiency, size, safety and reliability.
The short version
The Genesis GV70 is more fuel-efficient: 23 vs 18 MPG combined in its best version.
That works out to about $400 a year less in fuel for the Genesis GV70 (EPA estimate, 15,000 miles).
The Genesis GV70 is the bigger car, about 4 inches longer.
Across all model years since 2005, the Mercedes-Benz G-Class has had fewer recall campaigns (0 vs 11).
The two cars
The 2026 Genesis GV70 is a standard SUV offered with 2 engines (2.5L 4-cyl turbo and 3.5L 6-cyl turbo) and all-wheel drive. It measures about 185 inches long and 75 inches wide on a 113-inch wheelbase, with a curb weight of roughly 4,167 lb (2.5l 4dr SUV).
The 2026 Mercedes-Benz G-Class is a standard SUV offered with 2 engines (3.0L 6-cyl turbo and 4.0L 8-cyl turbo), including a hybrid version and 4-wheel drive. It measures about 182 inches long and 76 inches wide on a 114-inch wheelbase, with a curb weight of roughly 5,479 lb (550 4dr SUV).
Buying used? The 2024 GV70 and the 2024 G-Class have the fewest problems in our data.
Basics
Efficiency
Performance & space
Safety & reliability
Interest
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the Genesis GV70 if…
- You want lower fuel bills (23 vs 18 MPG)
- You want an EV with more range (263 miles)
- You want more room (4 in longer)
Choose the Mercedes-Benz G-Class if…
- You want something easier to park (4 in shorter)
- You put reliability history first (0 vs 11 recalls since 2005)
Pros & cons of each
2026 Genesis GV70
- Excellent fuel economyUp to 23 MPG combined — 15% better than the average 2026 standard SUV (20 MPG).
- Electric version availableOffered as a electric as well as gas.
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
2026 Mercedes-Benz G-Class
- Hybrid version availableOffered as a hybrid and electric as well as gas.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Full 2026 Genesis GV70 specs →Full 2026 Mercedes-Benz G-Class specs →Compare fuel costs for your driving →Compare size & garage fit →