Tahoe GMT900 vs GL / GLS X164 (GL): which is better?
Chevrolet Tahoe GMT900 (2006–2014) vs Mercedes-Benz GL / GLS X164 (GL) (2006–2012): specs, fuel economy, tax and common problems.
Specifications
| Chevrolet Tahoe GMT900 | Mercedes-Benz GL / GLS X164 (GL) | |
|---|---|---|
| Production years | 2006–2014 | 2006–2012 |
| Body | SUV | crossover SUV |
| Fuel | petrol | petrol |
| Engines | 5.3 V8 | 4.7 V8 (GL450) |
| Power, up to | 320 hp | 340 hp |
| Torque, up to | — | 460 Nm |
| Gearbox | automatic | automatic |
| Drive | all-wheel drive | all-wheel drive |
| Length | 5 130 mm | 5 088 mm |
| Width | 2 010 mm | 1 920 mm |
| Height | 1 955 mm | 1 840 mm |
| Wheelbase | 2 946 mm | 3 075 mm |
| Fuel tank | 98 L | 100 L |
| KZ tax 2026 (car under 10 years) | ≈ 515 125 ₸ | ≈ 510 925 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Chevrolet Tahoe GMT900
Pros
- Powerful versions: up to 320 hp
- All-wheel-drive versions available
- Conventional automatic, no robotized gearbox or CVT
- Large tank: 98 L
Cons
- GM 6T30/6T40/6T45 etc. gearbox: 3-5-R clutch pack wave spring failure (6T40/6T45)
Gearbox (GM 6T30/6T40/6T45, etc.): broken wave spring in the 3-5-R clutch pack (6T40/6T45); jerks when the valve body wears.
Mercedes-Benz GL / GLS X164 (GL)
Pros
- Powerful versions: up to 340 hp
- All-wheel-drive versions available
- Conventional automatic, no robotized gearbox or CVT
- Large fuel tank: 100 L
Cons
- Gearbox Mercedes 7G-Tronic (722.9): control board failure (speed sensors)
Gearbox (Mercedes 7G-Tronic (722.9)): control board failure (speed sensors); valve body wear.
Which one to choose
- GL / GLS X164 (GL) — if you care more about: power, wheelbase, fuel tank, kz tax 2026.
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: Tahoe GMT900 or GL / GLS X164 (GL)?
Tahoe GMT900: up to 320 hp, GL / GLS X164 (GL): up to 340 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: Tahoe GMT900 — about 515 125 ₸, GL / GLS X164 (GL) — about 510 925 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.