A6 C6 vs Sonata V (NF): which is better?
Audi A6 C6 (2004–2011) vs Hyundai Sonata V (NF) (2004–2010): specs, fuel economy, tax and common problems.
Audi A6 C6
Hyundai Sonata V (NF)Specifications
| Audi A6 C6 | Hyundai Sonata V (NF) | |
|---|---|---|
| Production years | 2004–2011 | 2004–2010 |
| Body | sedan | sedan |
| Fuel | petrol | petrol |
| Engines | 2.4 V6 | 2.4 |
| Power, up to | 177 hp | 161 hp |
| Torque, up to | 230 Nm | 220 Nm |
| Gearbox | automatic | automatic |
| Drive | front-wheel drive | front-wheel drive |
| Length | 4 916 mm | 4 800 mm |
| Width | 1 855 mm | 1 830 mm |
| Height | 1 459 mm | 1 475 mm |
| Wheelbase | 2 843 mm | 2 730 mm |
| Fuel tank | 70 L | 70 L |
| KZ tax 2026 (car under 10 years) | ≈ 28 750 ₸ | ≈ 28 750 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Audi A6 C6
Pros
- Conventional automatic, no robotized gearbox or CVT
- Large tank: 70 L
- Sold in all major markets of the region — parts and mechanics available
Cons
- Gearbox Audi multitronic (CVT): chain and clutch pack wear
Gearbox (Audi multitronic (CVT)): chain and clutch pack wear; control unit failure.
Hyundai Sonata V (NF)
Pros
- Conventional automatic, no robotized gearbox or CVT
- Large tank: 70 L
- Sold in all major markets of the region — parts and mechanics available
Cons
- Hyundai/Kia Theta II engine (G4KD, G4KE, G4KJ): cylinder scoring (especially the direct-injection G4KJ)
- Hyundai/Kia automatic: jolts on 2–3 shifts and when braking
Engine (Hyundai/Kia Theta II (G4KD, G4KE, G4KJ)): cylinder scoring (especially the direct-injection G4KJ); knocking and oil consumption; catalytic converter debris in the cylinders.
Gearbox (Hyundai/Kia automatic): kicks on the 2–3 shift and when braking; solenoid and clutch pack wear at high mileage.
Which one to choose
- A6 C6 — if you care more about: power, torque, wheelbase.
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: A6 C6 or Sonata V (NF)?
A6 C6: up to 177 hp, Sonata V (NF): up to 161 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: A6 C6 — about 28 750 ₸, Sonata V (NF) — about 28 750 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.