UK US
← Audi S6 · 2019-Present · C8

Audi S6 C8

Headline trim: 3.0 TDI MHEV quattro — 348 bhp, 0-62 in 5.0s.

press photo
Verdict
B
BHP
348 bhp
0–60
5.0 s
Top speed
155 mph
MPG
30 mpg (US)
Used
$36,000-$79,000

Strengths

  • Diesel torque (700 Nm)
  • Mild hybrid efficiency
  • Quattro grip

Weaknesses

  • Diesel — fewer buyers want it now
  • Less exciting than V8/V10 era
  • Premium pricing

Notable tech

  • MLB Evo platform
  • 3.0 TDI MHEV V6 biturbo (UK)
  • Tiptronic 8AT
  • Air suspension

Common issues

  • AdBlue dosing
  • 8AT mechatronic
  • MMI freezes pre-2022

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
3.0 TDI MHEV quattro (UK)
BHP348
Torque700 Nm
0–605.0 s
Top155 mph
MPG (US)30 mpg
DriveAWD
Gearbox8AT
2.9 TFSI quattro (export)
BHP444
Torque600 Nm
0–604.5 s
Top155 mph
MPG (US)23 mpg
DriveAWD
Gearbox8AT