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Audi A8 vs Mercedes-Benz GLS - Differences and prices compared

Compare performance (335 HP vs 603 HP), trunk space and price (92,000 $ vs 89,200 $ ) at a glance. See which model fits your needs and budget better – Audi A8 or Mercedes-Benz GLS?

Audi A8 vs Mercedes-Benz GLS: Key differences

Audi A8

  • barely more efficient
  • a bit lighter

Mercedes-Benz GLS

  • very slightly cheaper
  • substantially more power

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

A8

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.

Mercedes-Benz GLS is very slightly cheaper – starting at 89,200 $ , while the Audi A8 costs 92,000 $ . That’s a price difference of around 2,800 $.

When it comes to city fuel economy, the Audi A8 performs barely better – achieving 20 mpg, compared to 19 mpg for the Mercedes-Benz GLS. That’s a difference of about 1 mpg.

GLS

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 GLS offers substantially more power – delivering 603 HP compared to 335 HP. That’s roughly 268 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz GLS delivers clearly more torque with 627 lb-ft compared to 369 lb-ft. That’s about 258 lb-ft more.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

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

In terms of curb weight, Audi A8 is a bit lighter – 4,762 lbs compared to 5,489 lbs. The difference is around 727 lbs.

Who wins the race in the data check?

The Mercedes-Benz GLS is decisively ahead 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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View detailed analysis

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Audi A8

The Audi A8 embodies the pinnacle of luxury and performance, offering a refined blend of premium materials and cutting-edge technology. Its elegant design, characterized by a sophisticated silhouette and meticulous attention to detail, creates a commanding presence on the road. Inside, passengers are greeted with opulence and comfort, surrounded by an array of advanced features that promise an unparalleled driving experience.

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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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Mercedes-Benz GLS

Costs and Consumption
Price
92,000 $
Price
89,200 - 178,500 $
FuelEconomy City
20 mpg
FuelEconomy City
13 - 19 mpg
FuelEconomy Hwy
26 MPG
FuelEconomy Hwy
18 - 24 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
21.7 gal
Fuel tank capacity
23.7 - 23.8 gal

Dimensions and Body
Body Type
Sedan
Body Type
4MATIC, 4MATIC+
Seats
5
Seats
5 - 7
Doors
-
Doors
-
Curb weight
4,762 lbs
Curb weight
5,489 - 6,106 lbs
Trunk Volume
12.5 cu. ft.
Trunk Volume
-
Length
208.7 in.
Length
205 - 206 in.
Width
76.6 in.
Width
79.9 in.
Height
58 in.
Height
71 - 72 in.

Engine and Performance
Engine Type
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
335 HP
Power HP
375 - 603 HP
Torque
369 lb-ft
Torque
369 - 627 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 L
Engine Displacement
3 - 4 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
Audi
Brand
Mercedes-Benz
What is the starting MSRP for the Audi A8?

Starting from 92,000 $.

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.