Audi A6 3.0 TDI vs Mercedes-Benz CLS 250

Audi A6 3.0 TDI

Sedan · Diesel · AWD

Mercedes-Benz CLS 250

Sedan · Diesel · 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

Mercedes-Benz CLS 250

The Mercedes-Benz CLS 250 blends an efficient diesel (5.5 combined consumption) with relaxed performance for premium road trips. A 520 L trunk and five seats aid family use, but FWD and a premium price won’t suit everyone.

5 seatsSedanDiesel5-star safety5.5 L/100km

Why compared cross brandsame body typesame powertrainsame seats

Usage fit

Family 66 / 54

City 37 / 35

Budget / value 57 / 34

Road trip 70 / 63

Performance 39 / 34

Cargo 31 / 29

Practical 49 / 35

Premium 58 / 60

Winter 70 / 30

Scores out of 100. Blue = Audi A6 3.0 TDI · Orange = Mercedes-Benz CLS 250

Specs side-by-side

Spec Audi A6 3.0 TDI Mercedes-Benz CLS 250

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

Mercedes-Benz CLS 250

Low combined consumption (5.5) makes long journeys efficient for its class
Strong safety standing in its segment
520 L trunk and five seats support family road trips
Torquey diesel (500 Nm) and 7.5 s 0–100 km/h enable confident overtakes
FWD may limit traction in winter conditions
Not aimed at cargo‑heavy use despite a 520 L boot
Priced as a premium model (around 68,000)
Performance prioritizes smooth cruising over outright speed

Verdict

Pick Audi A6 3.0 TDI if…

Lower entry price

Audi A6 3.0 TDI starts lower, making it the stronger value pick if budget is a priority.

Pick Mercedes-Benz CLS 250 if…

Performance & capability

Mercedes-Benz CLS 250 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

Mercedes-Benz CLS 250

Verdict

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