Audi A6 4.0 TDI vs Audi S4 Sedan

Audi A6 4.0 TDI

Sedan · Diesel · AWD

Audi S4 Sedan

Sedan · Gasoline · AWD

Car A

Audi A6 4.0 TDI

A quick, long-range AWD V8 diesel aimed at premium buyers, pairing 4.4 s 0–100 km/h pace with an efficient 7 L/100 km. Seats five with a 530-liter trunk, making it ideal for road trips while being less compelling for city-first use.

5 seatsSedanDiesel5-star safety7 L/100kmAWD

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 seatsdifferent segment

Usage fit

Family 63 / 63

City 32 / 47

Budget / value 44 / 55

Road trip 69 / 57

Performance 39 / 40

Cargo 29 / 26

Practical 45 / 44

Premium 65 / 53

Winter 70 / 66

Scores out of 100. Blue = Audi A6 4.0 TDI · Orange = Audi S4 Sedan

Specs side-by-side

Spec Audi A6 4.0 TDI Audi S4 Sedan

Values are representative — confirm for your market and trim.

Pros & cons

Audi A6 4.0 TDI

AWD traction for winter and mixed-road confidence on long trips
800 Nm torque and 4.4 s 0–100 km/h for effortless overtakes
Efficient for its class at 7 L/100 km, reducing fuel stops
Five seats and a 530 L trunk suit growing families and luggage
Weak fit for city driving per signals; shines more on open roads
Not built for cargo-heavy use despite a generous trunk
Premium price around 75,000 may exceed some budgets
Only five seats; no third row for larger families

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
Sedan body and 480 L trunk limit cargo flexibility versus SUVs and wagons
Not aimed at hardcore performance driving despite its power
No third-row option; seats five only
Price around 53,000 may stretch tighter budgets

Verdict

Pick Audi A6 4.0 TDI if…

Best fuel economy

Audi A6 4.0 TDI uses 7.0 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 340 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

Audi A6 4.0 TDI

Audi S4 Sedan

Verdict

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