Audi A6 4.0 TDI
Sedan · Diesel · AWD
vs
Mercedes-Benz CLS 600
Sedan · Gasoline · FWD
Audi A6 4.0 TDI
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
Mercedes-Benz CLS 600
Car B
Mercedes-Benz CLS 600
The Mercedes-Benz CLS 600 mixes V8 biturbo performance with five-seat practicality, sprinting 0–100 km/h in 4.0 s and offering a 520-liter trunk. It suits premium buyers who value speed and long‑trip space more than winter prowess or a low purchase price.
5 seatsSedanGasoline612 hp
Why compared more powercomparison picksame body typesame ranking profilesame seatssimilar price

Usage fit

Family 63 / 34
City 32 / 26
Budget / value 44 / 19
Road trip 69 / 51
Performance 39 / 46
Cargo 29 / 29
Practical 45 / 30
Premium 65 / 66
Winter 70 / 18

Scores out of 100. Blue = Audi A6 4.0 TDI · Orange = Mercedes-Benz CLS 600

Specs side-by-side

Spec Audi A6 4.0 TDI Mercedes-Benz CLS 600
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

Mercedes-Benz CLS 600

  • Explosive V8 biturbo output (612 hp) with 0–100 km/h in 4.0 s for confident passing and performance driving
  • Five seats and a 520-liter trunk make it road-trip friendly
  • 250 km/h top speed supports rapid highway travel where allowed
  • Combined consumption of 9 is efficient for its class given the power

Verdict

Pick Audi A6 4.0 TDI if…
Best fuel economy
Audi A6 4.0 TDI uses 7.0 L/100km vs 9.0 — a meaningful saving if you cover high mileage.
Pick Mercedes-Benz CLS 600 if…
More power
Mercedes-Benz CLS 600 puts out 612 hp vs 340 — meaningfully quicker and more confident on motorways.

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