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Mercedes GLS vs Genesis G90 comparison

Compare performance (404 HP vs 415 HP), boot space and price (92,700 £ vs 96,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Genesis G90?

Mercedes GLS vs Genesis G90: Key differences

Mercedes GLS

  • only slightly cheaper
  • noticeably more efficient
details

Genesis G90

  • very slightly more power
  • only slightly quicker 0–100 km/h
  • moderately lighter
  • barely more trunk space
details

By Achim Sedelmaier

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

GLS

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 GLS is only slightly cheaper – starting at 92,700 £ , while the Genesis G90 costs 96,200 £ . That’s a price difference of around 3,492 £.

Fuel consumption also shows a difference: the Mercedes GLS uses 7.9 L/100km and is noticeably more efficient than the Genesis G90 with 11 L/100km. The difference is about 3.1 L/100km.

G90

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 Genesis G90 offers very slightly more power – delivering 415 HP compared to 404 HP. That’s roughly 11 HP more horsepower.

When accelerating from 0 to 100 km/h, the Genesis G90 is only slightly quicker – completing the sprint in 5.2 s, while the Mercedes GLS takes 5.6 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers visibly more torque with 750 Nm compared to 549 Nm. That’s about 201 Nm more.

GLS

Space and Everyday Use:

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

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

In terms of curb weight, Genesis G90 is moderately lighter – 2,260 kg compared to 2,580 kg. The difference is around 320 kg.

Looking at boot space, the Genesis G90 offers barely more boot space – 368 L compared to 355 L. That’s a difference of about 13 L.

When it comes to payload, the Mercedes GLS carries clearly more – 820 kg compared to 505 kg. That’s a difference of about 315 kg.

Who wins the race in the data check?

The Mercedes 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 £92,700
GLS

Mercedes GLS

  • Engine Type Petrol MHEV, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 336 - 404 HP
  • Consumption L/100km 7.9 - 9.9 L/100km
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Mercedes GLS
Genesis G90

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Reviews Mercedes GLS

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Genesis G90

The Genesis G90 is the brand's flagship limousine, wrapping passengers in a serene cabin that feels bespoke and quietly confident. It delivers a cultured ride, sumptuous materials and clever tech smarts, all served with an understated swagger that makes rear-seat commuters feel like they've finally arrived.

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Reviews Genesis G90

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Mercedes GLS
Genesis G90

Costs and Consumption
Price
92,700 - 104,600 £
Price
96,200 - 108,200 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
248 g/km
Fuel tank capacity
-
Fuel tank capacity
73 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
7
Seats
4 - 5
Doors
-
Doors
4
Curb weight
2,580 - 2,670 kg
Curb weight
2,260 - 2,470 kg
Trunk capacity
355 L
Trunk capacity
368 L
Length
-
Length
5,275 - 5,465 mm
Width
1,956 mm
Width
1,930 mm
Height
-
Height
1,490 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
370 - 505 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 404 HP
Power HP
415 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
5.2 - 5.4 s
Max Speed
-
Max Speed
250 km/h
Torque
560 - 750 Nm
Torque
549 Nm
Number of Cylinders
6
Number of Cylinders
6
Power kW
247 - 297 kW
Power kW
305 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
3,470 cm3

General
Model Year
2026
Model Year
2023
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Genesis
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS is available as All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.