Audi A6 3.0 TFSI vs Mercedes-Benz CLS 400

Audi A6 3.0 TFSI

Sedan · Gasoline · AWD

Mercedes-Benz CLS 400

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/100km340 hpAWD

Car B

Mercedes-Benz CLS 400

The Mercedes-Benz CLS 400 blends strong V6 performance with space and comfort for long trips, backed by a 520‑liter trunk and five seats. Its premium pricing and FWD layout make it less compelling for cargo-heavy use or harsh-winter regions that favor AWD.

5 seatsSedanGasoline5-star safety

Why compared cross brandsame body typesame powertrainsame seatssame usage profilesimilar price

Usage fit

Family 65 / 54

City 32 / 31

Budget / value 51 / 32

Road trip 70 / 63

Performance 41 / 35

Cargo 29 / 29

Practical 45 / 31

Premium 61 / 62

Winter 70 / 30

Scores out of 100. Blue = Audi A6 3.0 TFSI · Orange = Mercedes-Benz CLS 400

Specs side-by-side

Spec Audi A6 3.0 TFSI Mercedes-Benz CLS 400

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 400

Strong V6 performance makes highway passing easy
520‑liter trunk and five seats support road trips and growing families
Efficient for its class at 8.4 L/100 km combined
Ranks well for safety in its class
Premium price point for its segment
Front-wheel drive may not satisfy buyers who want AWD for severe winters
Not ideal for cargo-heavy use
Gasoline-only powertrain with no hybrid or EV option

Verdict

Pick Audi A6 3.0 TFSI if…

Best fuel economy

Audi A6 3.0 TFSI uses 8.2 L/100km vs 8.4 — a meaningful saving if you cover high mileage.

Pick Mercedes-Benz CLS 400 if…

Performance & capability

Mercedes-Benz CLS 400 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 TFSI

Mercedes-Benz CLS 400

Verdict

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