Audi A6 3.0 TFSI vs Mercedes-Benz CLS 550

Audi A6 3.0 TFSI

Sedan · Gasoline · AWD

Mercedes-Benz CLS 550

Sedan · Gasoline · FWD

Car A

Audi A6 3.0 TFSI

A powerful AWD V6 that blends quick acceleration with long‑distance practicality thanks to 5 seats and a 530 L trunk. Best for road trips and growing families seeking good value in its segment at this performance level.

5 seatsSedanGasoline5-star safety8.2 L/100kmAWD

Car B

Mercedes-Benz CLS 550

The Mercedes-Benz CLS 550 pairs V8 punch (402 hp, 0–100 km/h in 4.6 s) with a usable 5-seat cabin and 520 L of luggage space, making it a premium choice for road trips and growing families. Its 9.9 L/100 km combined figure is efficient for its class, though city driving and cargo‑heavy use aren’t its strengths.

5 seatsSedanGasoline5-star safety402 hp

Why compared more powercomparison pickcross brandsame body typesame powertrainsame seats

Usage fit

Family 65 / 63

City 32 / 28

Budget / value 51 / 43

Road trip 70 / 66

Performance 41 / 37

Cargo 29 / 29

Practical 45 / 41

Premium 61 / 64

Winter 70 / 30

Scores out of 100. Blue = Audi A6 3.0 TFSI · Orange = Mercedes-Benz CLS 550

Specs side-by-side

Spec Audi A6 3.0 TFSI Mercedes-Benz CLS 550

Values are representative — confirm for your market and trim.

Pros & cons

Audi A6 3.0 TFSI

340 hp V6 and AWD deliver strong performance and confident traction
Quick 0–100 in 5.1 s helps with merging and overtaking on long trips
Practical for families with 5 seats and a 530 L trunk
Good value in its segment around 60,000 for this power and drivetrain
Combined consumption of 8.2 may not suit efficiency‑focused buyers
Petrol‑only powertrain offers no electric driving capability
Less suited to stop‑and‑go city use where its performance and AWD are underutilized
Cargo‑heavy needs may exceed the flexibility of a 530 L trunk

Mercedes-Benz CLS 550

V8 performance with 402 hp and 0–100 km/h in 4.6 s for confident passing.
Room for five and 520 L of trunk space supports family road trips.
Efficient for its class at 9.9 L/100 km given the output.
Safety ranks highly in our data for this model.
Premium price of 67100 may exceed some budgets.
Less at home in stop‑start city driving than on the open road.
Not aimed at cargo‑heavy tasks despite a 520 L trunk.
Front‑wheel drive layout may not suit those seeking rear‑ or all‑wheel‑drive dynamics.

Verdict

Pick Audi A6 3.0 TFSI if…

Best fuel economy

Audi A6 3.0 TFSI uses 8.2 L/100km vs 9.9 — a meaningful saving if you cover high mileage.

Pick Mercedes-Benz CLS 550 if…

More power

Mercedes-Benz CLS 550 puts out 402 hp vs 340 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

Audi A6 3.0 TFSI

Mercedes-Benz CLS 550

Verdict

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