Audi A6 3.0 TDI vs BMW 520i — full comparison

Audi A6 3.0 TDI

Sedan · Diesel · AWD

BMW 520i

Sedan · Gasoline · FWD

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 safety272 hpAWD

Car B

BMW 520i

The BMW 520i is an efficient five-seat saloon that suits road trips and growing families. Its balanced performance and 530 L boot make it good value in its segment.

5 seatsSedanGasoline5-star safety

Why compared cross branddifferent powertrainsame body typesame seatssimilar price

Usage fit

Family 66 / 63

City 37 / 37

Budget / value 57 / 54

Road trip 70 / 64

Performance 39 / 33

Cargo 31 / 29

Practical 49 / 46

Premium 58 / 57

Winter 70 / 30

Scores out of 100. Blue = Audi A6 3.0 TDI · Orange = BMW 520i

Specs side-by-side

Spec Audi A6 3.0 TDI BMW 520i

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
Diesel is less suited to mostly short, stop‑start city use
Sedan body is not ideal for cargo‑heavy hauling versus SUVs or wagons
Not a low‑cost option; pricing reflects its segment
Size can feel cumbersome in tight urban parking

BMW 520i

Efficient for its class at 6 L/100 km, ideal for long-distance driving
530 L trunk handles family luggage for holidays and weekends
Adequate pace for highways (184 hp, 0–100 km/h in 7.9 s, 235 km/h top speed)
At about 55,000, it represents good value in its segment
Saloon body limits loading flexibility for bulky items despite the volume
Front-wheel drive may not suit buyers seeking AWD confidence for harsh winters
Moderate acceleration; not for those prioritizing punchy performance
Price may exceed tighter family-sedan budgets

Verdict

Pick Audi A6 3.0 TDI if…

Efficiency & everyday ease

Audi A6 3.0 TDI is the choice if fuel economy and city-friendly driving are your priority.

Pick BMW 520i if…

Performance & capability

BMW 520i is the choice if you want more power, speed, or all-weather capability.

Usage fit

Specs side-by-side

Pros & cons

Audi A6 3.0 TDI

BMW 520i

Verdict

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