DecodedCarsLexus RZ vs Mercedes-Benz G-Class
2026 Lexus RZ vs 2026 Mercedes-Benz G-Class — two rivals compared on efficiency, size, safety and reliability.
The short version
That works out to about $600 a year less in fuel for the Lexus RZ (EPA estimate, 15,000 miles).
The Lexus RZ is the bigger car, about 7 inches longer.
Across all model years since 2005, the Mercedes-Benz G-Class has had fewer recall campaigns (0 vs 3).
The two cars
The 2026 Lexus RZ is a small SUV powered by electricity and front-wheel drive and all-wheel drive. It measures about 189 inches long and 75 inches wide on a 112-inch wheelbase, with a curb weight of roughly 4,414 lb (350e 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 RZ 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 Lexus RZ if…
- You want an EV with more range (301 miles)
- You want more room (7 in longer)
Choose the Mercedes-Benz G-Class if…
- You want something easier to park (7 in shorter)
Pros & cons of each
2026 Lexus RZ
- Long EV rangeUp to 301 miles on a charge (EPA).
- AWD / 4WD available
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
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 Lexus RZ specs →Full 2026 Mercedes-Benz G-Class specs →Compare fuel costs for your driving →Compare size & garage fit →