A6 C8 vs 5 Series G30: which is better?
Audi A6 C8 (2018–present) vs BMW 5 Series G30 (2016–2023): specs, fuel economy, tax and common problems.
Audi A6 C8
BMW 5 Series G30Specifications
| Audi A6 C8 | BMW 5 Series G30 | |
|---|---|---|
| Production years | 2018–present | 2016–2023 |
| Body | sedan | sedan |
| Fuel | petrol | petrol |
| Engines | 2.0 TFSI (45 TFSI) | 2.0 Turbo (530i) |
| Power, up to | 245 hp | 249 hp |
| Torque, up to | 370 Nm | 350 Nm |
| Gearbox | dual-clutch (DCT) | automatic |
| Drive | all-wheel drive | rear-wheel drive |
| Length | 4 939 mm | 4 936 mm |
| Width | 1 886 mm | 1 868 mm |
| Height | 1 457 mm | 1 479 mm |
| Wheelbase | 2 924 mm | 2 975 mm |
| Fuel tank | 73 L | 68 L |
| KZ tax 2026 (car under 10 years) | ≈ 16 475 ₸ | ≈ 16 475 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Audi A6 C8
Pros
- Powerful versions: up to 245 hp
- Large fuel tank: 73 L
- Currently in production — can be bought new
- Sold in all major markets of the region — parts and mechanics available
Cons
- Engine VW/Audi EA888 (1.8–2.0 TSI/TFSI): oil consumption (piston rings) on second-generation engines
- Gearbox DSG/S tronic with wet clutch: clutch and mechatronics wear at high mileage
Engine (VW/Audi EA888 (1.8–2.0 TSI/TFSI)): oil consumption (piston rings) on second-generation engines; timing chain stretch and tensioner on early engines; plastic water pump and thermostat housing leaks.
Gearbox (DSG/S tronic with wet clutch): clutch and mechatronic wear at high mileage; wears quickly without oil changes.
BMW 5 Series G30
Pros
- Gearbox ZF 8HP: a reliable gearbox
- Powerful versions: up to 249 hp
- Sold in all major markets of the region — parts and mechanics available
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.
Which one to choose
- A6 C8 — if you care more about: torque, fuel tank.
- 5 Series G30 — if you care more about: power, 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 C8 or 5 Series G30?
A6 C8: up to 245 hp, 5 Series G30: up to 249 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: A6 C8 — about 16 475 ₸, 5 Series G30 — about 16 475 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.