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BMW X7 vs Mercedes-Benz S-Class - Differences and prices compared

Compare performance (631 HP vs 791 HP), trunk space and price (84,300 $ vs 117,800 $ ) at a glance. See which model fits your needs and budget better – BMW X7 or Mercedes-Benz S-Class?

BMW X7 vs Mercedes-Benz S-Class: Key differences

BMW X7

  • clearly cheaper

Mercedes-Benz S-Class

  • noticeably more power
  • only slightly more efficient
  • somewhat lighter

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

X7

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW X7 is clearly cheaper – starting at 84,300 $ , while the Mercedes-Benz S-Class costs 117,800 $ . That’s a price difference of around 33,450 $.

When it comes to city fuel economy, the Mercedes-Benz S-Class performs only slightly better – achieving 21 mpg, compared to 20 mpg for the BMW X7. That’s a difference of about 1 mpg.

S-Class

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes-Benz S-Class offers noticeably more power – delivering 791 HP compared to 631 HP. That’s roughly 160 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz S-Class delivers substantially more torque with 1,055 lb-ft compared to 590 lb-ft. That’s about 465 lb-ft more.

X7

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.

Seats: BMW X7 offers more seats – 7 vs 5.

In terms of curb weight, Mercedes-Benz S-Class is somewhat lighter – 4,740 lbs compared to 5,417 lbs. The difference is around 677 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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BMW X7

The BMW X7 is a rolling penthouse with a sports streak, serving up plush comfort, quiet confidence, and just enough attitude to make the school run feel like a red-carpet arrival. It blends creamy ride quality with crisp handling and a tech-laden cabin, all wrapped in a bold face that politely announces you’ve arrived—long before you actually do.

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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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Costs and Consumption
Price
84,300 - 152,400 $
Price
117,800 - 240,500 $
FuelEconomy City
16 - 20 mpg
FuelEconomy City
12 - 21 mpg
FuelEconomy Hwy
20 - 24 MPG
FuelEconomy Hwy
20 - 31 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
21.9 gal
Fuel tank capacity
17.7 - 22.2 gal

Dimensions and Body
Body Type
SUV
Body Type
4MATIC Sedan
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
5,417 - 5,986 lbs
Curb weight
4,740 - 5,831 lbs
Trunk Volume
-
Trunk Volume
8.1 - 18.9 cu. ft.
Length
203.6 - 203.9 in.
Length
208.2 - 215.3 in.
Width
78.7 in.
Width
75.6 - 76.9 in.
Height
70 - 72 in.
Height
59 in.

Engine and Performance
Engine Type
Engine Type
, Plug-In Hybrid, Gasoline
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
375 - 631 HP
Power HP
442 - 791 HP
Torque
398 - 590 lb-ft
Torque
369 - 1,055 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 - 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 X7 cost?

Starting from 84,300 $.

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.