6 I (GG) vs Avensis II (T250): which is better?
Mazda 6 I (GG) (2002–2008) vs Toyota Avensis II (T250) (2003–2008): specs, fuel economy, tax and common problems.
Mazda 6 I (GG)
Toyota Avensis II (T250)Specifications
| Mazda 6 I (GG) | Toyota Avensis II (T250) | |
|---|---|---|
| Production years | 2002–2008 | 2003–2008 |
| Body | sedan | sedan |
| Fuel | petrol | petrol |
| Engines | 2.0 | 1.8 |
| Power, up to | 141 hp | 129 hp |
| Torque, up to | 181 Nm | 170 Nm |
| Gearbox | automatic | manual |
| Drive | front-wheel drive | front-wheel drive |
| Length | 4 670 mm | 4 630 mm |
| Width | 1 780 mm | 1 760 mm |
| Height | 1 435 mm | 1 480 mm |
| Wheelbase | 2 675 mm | 2 700 mm |
| Fuel tank | 64 L | 60 L |
| KZ tax 2026 (car under 10 years) | ≈ 16 475 ₸ | ≈ 15 075 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Mazda 6 I (GG)
Pros
- Conventional automatic, no robotized gearbox or CVT
- Sold in all major markets of the region — parts and mechanics available
Cons
- Mazda Z6 / LF / FS engine: oil consumption at high mileage
Engine (Mazda Z6 / LF / FS): oil consumption at higher mileage; carbon buildup and ring coking.
Toyota Avensis II (T250)
Pros
- Sold in all major markets of the region — parts and mechanics available
Cons
- No data
Which one to choose
- 6 I (GG) — if you care more about: power, torque, fuel tank.
- Avensis II (T250) — if you care more about: wheelbase, 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: 6 I (GG) or Avensis II (T250)?
6 I (GG): up to 141 hp, Avensis II (T250): up to 129 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: 6 I (GG) — about 16 475 ₸, Avensis II (T250) — about 15 075 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.