Audi A6 3.0 TDI
Sedan · Diesel · AWD
vs
Audi S4 Sedan
Sedan · Gasoline · AWD
Audi A6 3.0 TDI
Car A
Audi A6 3.0 TDI
The A6 3.0 TDI is an all-weather, long-distance sedan that blends strong diesel torque with efficient highway consumption and a big 565 L trunk. It ranks well for reliability and safety signals and represents good value in its segment while delivering 0–100 km/h in 5.5 s.
5 seatsSedanDiesel5-star safety6 L/100kmAWD
Audi S4 Sedan
Car B
Audi S4 Sedan
The Audi S4 Sedan pairs strong V6 power and AWD traction with five-seat practicality, making it a confident choice for growing families and road trips. It delivers quick acceleration and efficient-for-its-class consumption, though cargo space and track-day performance aren’t its focus.
5 seatsSedanGasoline5-star safety354 hpAWD
Why compared different powertrainsame body typesame brandsame seatssimilar price

Usage fit

Family 66 / 63
City 37 / 47
Budget / value 57 / 55
Road trip 70 / 57
Performance 39 / 40
Cargo 31 / 26
Practical 49 / 44
Premium 58 / 53
Winter 70 / 66

Scores out of 100. Blue = Audi A6 3.0 TDI · Orange = Audi S4 Sedan

Specs side-by-side

Spec Audi A6 3.0 TDI Audi S4 Sedan
Values are representative — confirm for your market and trim.

Pros & cons

Audi A6 3.0 TDI

  • Efficient for its class on highways (6.0 L/100 km) for comfortable road trips
  • AWD traction adds confidence in winter and mixed conditions
  • 600 Nm and 5.5 s 0–100 km/h make overtaking easy even when loaded
  • 565 L trunk and five seats work well for a growing family’s travel gear

Audi S4 Sedan

  • Strong V6 output (354 hp, 500 Nm) with 4.6 s 0–100 km/h for confident passing
  • AWD traction adds assurance in winter and mixed conditions
  • Five seats and a 480 L trunk fit growing-family and road-trip needs
  • Efficient for its class at 7.4 combined and good value in its segment

Verdict

Pick Audi A6 3.0 TDI if…
Best fuel economy
Audi A6 3.0 TDI uses 6.0 L/100km vs 7.4 — a meaningful saving if you cover high mileage.
Pick Audi S4 Sedan if…
More power
Audi S4 Sedan puts out 354 hp vs 272 — meaningfully quicker and more confident on motorways.

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