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Mercedes-Benz CLS 550
Sedan · Gasoline · FWD
vs
BMW M550i xDrive
Sedan · Gasoline · AWD
Mercedes-Benz CLS 550
Car A
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 safety9.9 L/100km
BMW M550i xDrive
Car B
BMW M550i xDrive
A premium AWD saloon that pairs very quick acceleration with real everyday space, the M550i xDrive shines on fast, long-distance journeys. Higher fuel use and premium pricing make it less compelling for city-heavy or budget-led use.
5 seatsSedanGasoline5-star safety530 hpAWD
Why compared more powercomparison picksame body typesame powertrainsame ranking profilesame seats

Usage fit

Family 63 / 62
City 28 / 26
Budget / value 43 / 36
Road trip 66 / 68
Performance 37 / 47
Cargo 29 / 29
Practical 41 / 39
Premium 64 / 69
Winter 30 / 70

Scores out of 100. Blue = Mercedes-Benz CLS 550 · Orange = BMW M550i xDrive

Specs side-by-side

Spec Mercedes-Benz CLS 550 BMW M550i xDrive
Values are representative — confirm for your market and trim.

Pros & cons

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.

BMW M550i xDrive

  • Very strong performance for its class (530 hp, 0–100 km/h in 3.8 s).
  • AWD traction supports winter and mixed-weather driving.
  • Five seats and a 530 L boot suit growing families and road trips.
  • Well suited to premium buyers who prioritize fast, long-distance travel.

Verdict

Pick Mercedes-Benz CLS 550 if…
Best fuel economy
Mercedes-Benz CLS 550 uses 9.9 L/100km vs 10.5 — a meaningful saving if you cover high mileage.
Pick BMW M550i xDrive if…
All-wheel drive
BMW M550i xDrive's AWD adds real-world confidence in wet, icy, or mixed-weather conditions.

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