Audi A6 4.0 TDI
Sedan · Diesel · AWD
vs
BMW 540i
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
BMW 540i
Car B
BMW 540i
The BMW 540i is a premium saloon that blends 340 hp pace with five-seat comfort and a useful 530 L boot for family and road‑trip duty. It’s less compelling for cargo‑heavy or urban use, and its front‑wheel‑drive character may not suit enthusiasts.
5 seatsSedanGasoline5-star safety
Why compared cross branddifferent powertrainsame body typesame seatssimilar price

Usage fit

Family 63 / 65
City 32 / 30
Budget / value 44 / 45
Road trip 69 / 63
Performance 39 / 33
Cargo 29 / 29
Practical 45 / 45
Premium 65 / 65
Winter 70 / 30

Scores out of 100. Blue = Audi A6 4.0 TDI · Orange = BMW 540i

Specs side-by-side

Spec Audi A6 4.0 TDI BMW 540i
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

BMW 540i

  • Strong performance (340 hp, 4.3 s 0–100 km/h) for confident passing and merging
  • Five seats and a 530 L trunk work well for growing families and road trips
  • Safety ranks highly in its positioning, aligning with family priorities
  • Efficient for its class at 8 L/100 km given the power on tap

Verdict

Pick Audi A6 4.0 TDI if…
Best fuel economy
Audi A6 4.0 TDI uses 7.0 L/100km vs 8.0 — a meaningful saving if you cover high mileage.
Pick BMW 540i if…
Performance & capability
BMW 540i is the choice if you want more power, speed, or all-weather capability.

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