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Mercedes-Benz S-Class vs BMW X6 M - Differences and prices compared

Compare performance (791 HP vs 617 HP), trunk space and price (117,800 $ vs 132,100 $ ) at a glance. See which model fits your needs and budget better – Mercedes-Benz S-Class or BMW X6 M?

Mercedes-Benz S-Class vs BMW X6 M: Key differences

Mercedes-Benz S-Class

  • a bit cheaper
  • markedly more power
  • markedly more efficient
  • a bit lighter

BMW X6 M

Here’s where it gets real: The technical differences in detail

S-Class

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes-Benz S-Class is a bit cheaper – starting at 117,800 $ , while the BMW X6 M costs 132,100 $ . That’s a price difference of around 14,350 $.

When it comes to city fuel economy, the Mercedes-Benz S-Class performs markedly better – achieving 21 mpg, compared to 13 mpg for the BMW X6 M. That’s a difference of about 8 mpg.

X6 M

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes-Benz S-Class offers markedly more power – delivering 791 HP compared to 617 HP. That’s roughly 174 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz S-Class delivers significantly more torque with 1,055 lb-ft compared to 553 lb-ft. That’s about 502 lb-ft more.

S-Class

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes-Benz S-Class is a bit lighter – 4,740 lbs compared to 5,375 lbs. The difference is around 635 lbs.

Who wins the race in the data check?

The Mercedes-Benz S-Class is clearly superior overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $117,800
S-Class

Mercedes-Benz S-Class

  • Engine Type : , Plug-In Hybrid, Gasoline
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 442 - 791 HP
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View detailed analysis

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View detailed analysis

Mercedes-Benz S-Class

The Mercedes-Benz S-Class stands as a symbol of luxury and sophistication in the automotive world, seamlessly blending cutting-edge technology with unparalleled comfort. Its elegant design and opulent interiors offer a lavish driving experience, drawing attention from discerning car enthusiasts worldwide. As the flagship of the Mercedes-Benz lineup, the S-Class consistently sets the benchmark for innovation and prestige in the luxury sedan segment.

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BMW X6 M

The BMW X6 M confidently combines the dynamism of a sports car with the imposing presence of an SUV, offering an exhilarating driving experience that doesn't compromise on luxury. The interior is meticulously crafted with high-quality materials, ensuring both comfort and style for its occupants. With its aggressive design and powerful performance capabilities, the X6 M stands out as a bold statement on the road, appealing to those who seek both elegance and adrenaline.

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Mercedes-Benz S-Class
BMW X6 M

Costs and Consumption
Price
117,800 - 240,500 $
Price
132,100 $
FuelEconomy City
12 - 21 mpg
FuelEconomy City
13 mpg
FuelEconomy Hwy
20 - 31 MPG
FuelEconomy Hwy
18 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
17.7 - 22.2 gal
Fuel tank capacity
21.9 gal

Dimensions and Body
Body Type
4MATIC Sedan
Body Type
Sports Activity Coupe
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
4,740 - 5,831 lbs
Curb weight
5,375 lbs
Trunk Volume
8.1 - 18.9 cu. ft.
Trunk Volume
-
Length
208.2 - 215.3 in.
Length
195 in.
Width
75.6 - 76.9 in.
Width
79.5 in.
Height
59 in.
Height
66 in.

Engine and Performance
Engine Type
, Plug-In Hybrid, Gasoline
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
442 - 791 HP
Power HP
617 HP
Torque
369 - 1,055 lb-ft
Torque
553 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 - 6 L
Engine Displacement
4.4 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
Mercedes-Benz
Brand
BMW
What is the starting MSRP for the Mercedes-Benz S-Class?

Starting from 117,800 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.