Lexus LX vs Mercedes-Benz GLS-Class
2026 Lexus LX vs 2026 Mercedes-Benz GLS-Class — two standard SUVs compared on efficiency, size, safety and reliability.
The short version
The Mercedes-Benz GLS-Class is more fuel-efficient: 21 vs 20 MPG combined in its best version.
That works out to about $200 a year less in fuel for the Mercedes-Benz GLS-Class (EPA estimate, 15,000 miles).
The Mercedes-Benz GLS-Class is the bigger car, about 5 inches longer.
Across all model years since 2005, the Mercedes-Benz GLS-Class has had fewer recall campaigns (0 vs 14).
The two cars
The 2026 Lexus LX is a standard SUV offered with a 3.4L 6-cyl turbo engine, including a hybrid version and all-wheel drive. It measures about 200 inches long and 78 inches wide on a 113-inch wheelbase, with a curb weight of roughly 5,864 lb (600 4dr SUV).
The 2026 Mercedes-Benz GLS-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 all-wheel drive. It measures about 206 inches long and 80 inches wide on a 123-inch wheelbase, with a curb weight of roughly 6,074 lb (Amg 63 4matic 4dr SUV).
Buying used? The 2021 LX and the 2024 GLS-Class have the fewest problems in our data; avoid the 2022 LX.
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 LX if…
- You want something easier to park (5 in shorter)
Choose the Mercedes-Benz GLS-Class if…
- You want more room (5 in longer)
- You put reliability history first (0 vs 14 recalls since 2005)
Pros & cons of each
2026 Lexus LX
- Hybrid version availableOffered as a hybrid as well as gas.
- Seats up to 73 rows of seating.
- 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 GLS-Class
- Hybrid version availableOffered as a hybrid as well as gas.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Full 2026 Lexus LX specs →Full 2026 Mercedes-Benz GLS-Class specs →Compare fuel costs for your driving →Compare size & garage fit →
