Strengths
- MLB Evo with MHEV
- Cabin tech step on
- Allroad variant continues
Weaknesses
- No A6 PHEV in UK
- MMI initial freezes
- Premium pricing
Notable tech
- MLB Evo platform
- 48V mild hybrid on most
- Tiptronic 8AT
- Air suspension
- S6 / RS6 above
- A6 e-tron arriving 2025+ as separate EV
Common issues
- 8AT mechatronic
- MMI freezes pre-2020
- AdBlue dosing
- Air suspension compressor
Engine derivatives
US-spec trims and engines offered across C8's life. Click any two rows to compare them side-by-side.
Pick two engines to compare
40 TFSI 2.0 MHEV
BHP201
Torque320 Nm
0–607.3 s
Top149 mph
MPG (US)33 mpg
DriveFWD
Gearbox7DSG
45 TFSI 2.0 MHEV quattro
BHP261
Torque370 Nm
0–605.9 s
Top155 mph
MPG (US)30 mpg
Drivequattro
Gearbox7DSG
55 TFSI 3.0 MHEV quattro
BHP340
Torque500 Nm
0–605.1 s
Top155 mph
MPG (US)27 mpg
Drivequattro
Gearbox7DSG
40 TDI 2.0 MHEV
BHP201
Torque400 Nm
0–607.7 s
Top149 mph
MPG (US)46 mpg
DriveFWD / quattro
Gearbox7DSG
45 TDI 3.0 MHEV
BHP231
Torque500 Nm
0–606.4 s
Top155 mph
MPG (US)42 mpg
Drivequattro
Gearbox8AT
50 TDI 3.0 MHEV
BHP282
Torque620 Nm
0–605.5 s
Top155 mph
MPG (US)39 mpg
Drivequattro
Gearbox8AT