X6 G06 vs GL / GLS X167 (GLS): which is better?
BMW X6 G06 (2019–present) vs Mercedes-Benz GL / GLS X167 (GLS) (2019–present): specs, fuel economy, tax and common problems.
BMW X6 G06Specifications
| BMW X6 G06 | Mercedes-Benz GL / GLS X167 (GLS) | |
|---|---|---|
| Production years | 2019–present | 2019–present |
| Body | crossover SUV | crossover SUV |
| Fuel | petrol | petrol |
| Engines | 3.0 Turbo (40i) | 3.0 Turbo (GLS450) |
| Power, up to | 340 hp | 367 hp |
| Torque, up to | 450 Nm | 500 Nm |
| Gearbox | automatic | automatic |
| Drive | all-wheel drive | all-wheel drive |
| Length | 4 935 mm | 5 207 mm |
| Width | 2 004 mm | 1 956 mm |
| Height | 1 696 mm | 1 823 mm |
| Wheelbase | 2 975 mm | 3 135 mm |
| Fuel tank | 83 L | 90 L |
| KZ tax 2026 (car under 10 years) | ≈ 42 425 ₸ | ≈ 42 425 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
BMW X6 G06
Pros
- Gearbox ZF 8HP: a reliable gearbox
- Powerful versions: up to 340 hp
- All-wheel-drive versions available
- Large fuel tank: 83 L
Cons
- Engine BMW B46/B48/B58: oil and coolant leaks at high mileage
- Gearbox ZF 8HP: rarely, mechatronics and bushings at high mileage
Engine (BMW B46/B48/B58): oil and coolant leaks at high mileage; water pump failures occur.
Gearbox (ZF 8HP): reliable gearbox; rarely — mechatronic and bushings at high mileage.
Mercedes-Benz GL / GLS X167 (GLS)
Pros
- Powerful versions: up to 367 hp
- All-wheel-drive versions available
- Conventional automatic, no robotized gearbox or CVT
- Large fuel tank: 90 L
Cons
- Engine Mercedes M254/M256/M276/M278/M176: complex engines, expensive to repair
- Gearbox Mercedes 9G-Tronic: jerky shifts when worn, software updates
Engine (Mercedes M254/M256/M276/M278/M176): engines are complex and expensive to repair; oil leaks and chain issues occur on M276/M278 at high mileage.
Gearbox (Mercedes 9G-Tronic): jerks when worn, software updates.
Which one to choose
- GL / GLS X167 (GLS) — if you care more about: power, torque, wheelbase, fuel tank.
The condition of a specific car matters more than the model: check the service history and get the engine and gearbox inspected before buying.
FAQ
Which is more powerful: X6 G06 or GL / GLS X167 (GLS)?
X6 G06: up to 340 hp, GL / GLS X167 (GLS): up to 367 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: X6 G06 — about 42 425 ₸, GL / GLS X167 (GLS) — about 42 425 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.