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BMW M8 vs Mercedes-Benz S-Class - Differences and prices compared

Compare performance (617 HP vs 791 HP), trunk space and price (138,800 $ vs 117,800 $ ) at a glance. See which model fits your needs and budget better – BMW M8 or Mercedes-Benz S-Class?

BMW M8 vs Mercedes-Benz S-Class: Key differences

BMW M8

  • moderately lighter

Mercedes-Benz S-Class

  • moderately cheaper
  • clearly more power
  • markedly more efficient
  • markedly more trunk space

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 moderately cheaper – starting at 117,800 $ , while the BMW M8 costs 138,800 $ . That’s a price difference of around 21,050 $.

When it comes to city fuel economy, the Mercedes-Benz S-Class performs markedly better – achieving 21 mpg, compared to 15 mpg for the BMW M8. That’s a difference of about 6 mpg.

S-Class

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes-Benz S-Class offers clearly 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 considerably 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, BMW M8 is moderately lighter – 4,295 lbs compared to 4,740 lbs. The difference is around 445 lbs.

In terms of cargo space, the Mercedes-Benz S-Class offers markedly more room – 18.9 cu. ft. compared to 14.8 cu. ft.. That’s a difference of about 4.1 cu. ft..

Who wins the race in the data check?

The Mercedes-Benz S-Class is far ahead 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

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General
View detailed analysis

BMW M8

The BMW M8 stands as a pinnacle of luxury and performance in the world of grand touring sports cars. With its sleek and aggressive design, this model exudes elegance while delivering an exhilarating driving experience. Inside, the M8 combines premium materials with state-of-the-art technology, ensuring both comfort and a refined sense of control on the road.

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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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Mercedes-Benz S-Class

Costs and Consumption
Price
138,800 - 150,000 $
Price
117,800 - 240,500 $
FuelEconomy City
15 mpg
FuelEconomy City
12 - 21 mpg
FuelEconomy Hwy
22 MPG
FuelEconomy Hwy
20 - 31 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
20.1 gal
Fuel tank capacity
17.7 - 22.2 gal

Dimensions and Body
Body Type
Coupe, Convertible, Sedan
Body Type
4MATIC Sedan
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
4,295 - 4,560 lbs
Curb weight
4,740 - 5,831 lbs
Trunk Volume
11 - 14.8 cu. ft.
Trunk Volume
8.1 - 18.9 cu. ft.
Length
191.2 - 200.9 in.
Length
208.2 - 215.3 in.
Width
74.9 - 76.5 in.
Width
75.6 - 76.9 in.
Height
53 - 55 in.
Height
59 in.

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

General
Model Year
2,025
Model Year
2,025
Brand
BMW
Brand
Mercedes-Benz
How much does the BMW M8 cost?

Base pricing begins at 138,800 $.

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.