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BMW M8 vs Mercedes-Benz GLS - Differences and prices compared

Compare performance (617 HP vs 603 HP), trunk space and price (138,800 $ vs 89,200 $ ) at a glance. See which model fits your needs and budget better – BMW M8 or Mercedes-Benz GLS?

BMW M8 vs Mercedes-Benz GLS: Key differences

BMW M8

  • marginally more power
  • markedly lighter

Mercedes-Benz GLS

  • clearly cheaper
  • clearly more efficient

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

GLS

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes-Benz GLS is clearly cheaper – starting at 89,200 $ , while the BMW M8 costs 138,800 $ . That’s a price difference of around 49,600 $.

When it comes to city fuel economy, the Mercedes-Benz GLS performs clearly better – achieving 19 mpg, compared to 15 mpg for the BMW M8. That’s a difference of about 4 mpg.

GLS

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 BMW M8 offers marginally more power – delivering 617 HP compared to 603 HP. That’s roughly 14 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz GLS delivers a bit more torque with 627 lb-ft compared to 553 lb-ft. That’s about 74 lb-ft more.

GLS

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes-Benz GLS offers more seats – 7 vs 5.

In terms of curb weight, BMW M8 is markedly lighter – 4,295 lbs compared to 5,489 lbs. The difference is around 1,194 lbs.

Who wins the race in the data check?

The Mercedes-Benz GLS 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 $89,200
GLS

Mercedes-Benz GLS

  • Engine Type :
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 375 - 603 HP
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BMW M8
Mercedes-Benz GLS

Costs and Consumption
View detailed analysis

Engine and Performance
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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Reviews BMW M8

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Mercedes-Benz GLS

The Mercedes-Benz GLS stands as a benchmark in the luxury SUV segment, offering an opulent blend of comfort, space, and advanced technology. With its elegant and commanding presence, the GLS is designed to deliver a superior drive with a smooth and powerful performance. Inside, passengers are treated to a spacious interior with high-end materials and state-of-the-art features, turning every journey into a first-class experience.

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BMW M8
Mercedes-Benz GLS

Costs and Consumption
Price
138,800 - 150,000 $
Price
89,200 - 178,500 $
FuelEconomy City
15 mpg
FuelEconomy City
13 - 19 mpg
FuelEconomy Hwy
22 MPG
FuelEconomy Hwy
18 - 24 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
20.1 gal
Fuel tank capacity
23.7 - 23.8 gal

Dimensions and Body
Body Type
Coupe, Convertible, Sedan
Body Type
4MATIC, 4MATIC+
Seats
4 - 5
Seats
5 - 7
Doors
-
Doors
-
Curb weight
4,295 - 4,560 lbs
Curb weight
5,489 - 6,106 lbs
Trunk Volume
11 - 14.8 cu. ft.
Trunk Volume
-
Length
191.2 - 200.9 in.
Length
205 - 206 in.
Width
74.9 - 76.5 in.
Width
79.9 in.
Height
53 - 55 in.
Height
71 - 72 in.

Engine and Performance
Engine Type
Gasoline
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
617 HP
Power HP
375 - 603 HP
Torque
553 lb-ft
Torque
369 - 627 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
4.4 L
Engine Displacement
3 - 4 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.