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Mercedes GLS vs Volvo S90 comparison

Compare performance (404 HP vs 455 HP), boot space and price (92,700 £ vs 62,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Volvo S90?

Mercedes GLS vs Volvo S90: Key differences

Mercedes GLS

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Volvo S90

  • substantially cheaper
  • a bit more power
  • significantly more efficient
  • slightly quicker 0–100 km/h
  • clearly lighter
  • clearly more trunk space
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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.

Volvo S90 is substantially cheaper – starting at 62,200 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 30,434 £.

Fuel consumption also shows a difference: the Volvo S90 uses 0.8 L/100km and is significantly more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 7.1 L/100km.

S90

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 Volvo S90 offers a bit more power – delivering 455 HP compared to 404 HP. That’s roughly 51 HP more horsepower.

When accelerating from 0 to 100 km/h, the Volvo S90 is slightly quicker – completing the sprint in 4.7 s, while the Mercedes GLS takes 5.6 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers barely more torque with 750 Nm compared to 709 Nm. That’s about 41 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, Volvo S90 is clearly lighter – 1,912 kg compared to 2,580 kg. The difference is around 668 kg.

Looking at boot space, the Volvo S90 offers clearly more boot space – 453 L compared to 355 L. That’s a difference of about 98 L.

When it comes to payload, the Mercedes GLS carries visibly more – 820 kg compared to 518 kg. That’s a difference of about 302 kg.

Who wins the race in the data check?

The Volvo S90 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 £62,200
S90

Volvo S90

  • Engine Type Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 235 - 455 HP
  • Consumption L/100km 0.8 - 5.7 L/100km
  • Electric Range 89 km
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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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Volvo S90

The Volvo S90 is a composed, elegant luxury sedan that dresses Scandinavian restraint in a quietly imposing package. It prioritises serene highway manners and a calm, tech‑savvy cabin, making it a car that suggests you deserve the nicer things in life without ever raising its voice.

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Volvo S90

Costs and Consumption
Price
92,700 - 104,600 £
Price
62,200 - 70,500 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
0.8 - 5.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
89 km
Battery Capacity
-
Battery Capacity
14.7 kWh
co2
206 - 226 g/km
co2
17 - 149 g/km
Fuel tank capacity
-
Fuel tank capacity
60 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
7
Seats
5
Doors
-
Doors
4
Curb weight
2,580 - 2,670 kg
Curb weight
1,912 - 2,119 kg
Trunk capacity
355 L
Trunk capacity
431 - 453 L
Length
-
Length
4,969 mm
Width
1,956 mm
Width
1,879 mm
Height
-
Height
1,440 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
451 - 518 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Diesel MHEV, Plugin Hybrid
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
235 - 455 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
4.7 - 7 s
Max Speed
-
Max Speed
180 km/h
Torque
560 - 750 Nm
Torque
480 - 709 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
247 - 297 kW
Power kW
173 - 335 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
1,969 cm3

General
Model Year
2026
Model Year
2,022 - 2,024
CO2 Efficiency Class
G
CO2 Efficiency Class
E, B
Brand
Mercedes-Benz
Brand
Volvo
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.