Vehicle database
Audi A7 Sportback
C8 (4K) / 2021 / 5-door Liftback
Global (Europe, USA, China, others with variations)Coverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2021 | technical-profile | CWGA, CWGB, CWGC | 2995 cc | Direct injection with mild-hybrid system; PHEV versions include battery and electric motor |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2021 | CWGA, CWGB, CWGC | VW 504 00 / 507 00 approved synthetic oil | Approx. 7.4 liters (service fill, includes filter change) | Audi G 060 162 A2 or equivalent |
Technical specifications
- Engines: CWGA, CWGB, CWGC
- Transmissions: Not offered in most markets for 2021 A7, 7-speed S Tronic dual-clutch or 8-speed Tiptronic automatic depending on engine, Audi G 060 162 A2 or equivalent
- Tire sizes: 245/40 R19, 255/35 R20, 265/30 R21
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: VW 504 00 / 507 00 approved synthetic oil
- Transmission fluid: Audi G 060 162 A2 or equivalent
- Coolant: Approx. 10 liters
- Brake fluid: DOT 4 high-performance
Known problems
- High-pressure fuel pump failures rare but possible
- MHEV battery health check recommended after 8+ years
- Electronic throttle body issues rarely reported