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Mercedes GLS vs Volvo XC90 comparison

Compare performance (634 HP vs 455 HP), boot space and price (96100 £ vs 69800 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Volvo XC90?

GLS

Luxury SUV Showdown: Mercedes GLS vs. Volvo XC90

The luxury SUV segment is a fiercely competitive arena, with manufacturers vying to offer the best blend of style, performance, and technology. In this comparison, we delve into the specifications, features, and innovations of two titans: the Mercedes GLS and the Volvo XC90. Both SUVs promise comfort and capability but differentiate themselves with unique technical aspects and design philosophies.

XC90

Power and Performance

Starting with the powertrains, the Mercedes GLS offers a range of engine options, including several mild hybrid variants. The power output varies from 333 HP to a staggering 634 HP, thanks to its available 8-cylinder engines. This range of power allows for impressive acceleration, with the top variant achieving 0 to 100 km/h in just 4.2 seconds. The GLS's all-wheel-drive system ensures that this power is delivered seamlessly across various driving conditions.

The Volvo XC90, on the other hand, stands out with its focus on efficiency. It features a 4-cylinder engine lineup that produces up to 455 HP in its plug-in hybrid configuration. Although the acceleration is slightly less thrilling at 0 to 100 km/h in 5.4 seconds for the top variant, the XC90 prides itself on low consumption figures, with a remarkable 1.2 L/100 km while in hybrid mode, thanks to its electric range of 71 km provided by a 14.7 kWh battery.

GLS

Dimensions and Interior Space

When it comes to size, the Mercedes GLS outshines the XC90. Measuring approximately 5209 mm in length, the GLS provides a spacious interior designed for seven occupants. The trunk capacity also impresses, offering up to 355 liters of cargo space.

The Volvo XC90, shorter at 4953 mm, manages to accommodate seven passengers but has less trunk space, peaking at 302 liters. Nonetheless, it employs a clever interior design that maximizes space utilization and provides a premium feel, indicative of Volvo's Scandinavian design ethos.

XC90

Innovation and Technology

Both vehicles are equipped with state-of-the-art technology, but they take different approaches. The Mercedes GLS features an advanced MBUX infotainment system, complete with voice-activated controls and a multi-screen layout that integrates navigation, media, and vehicle settings intuitively. Safety features include Active Stop-and-Go Assist and the innovative Pre-Safe system that prepares for an impending collision.

Volvo, renowned for its commitment to safety, outfits the XC90 with an array of safety technologies such as City Safety and Pilot Assist, which offer semi-autonomous driving capabilities. The Sensus infotainment system is robust but leans more towards minimalism and usability, providing a clean interface with a smartphone-like experience.

GLS

Environmental Considerations

In the current automotive landscape, environmental considerations are pivotal. The GLS carries a CO2 emission rating that reaches up to 310 g/km in its more powerful variants. Conversely, the XC90 makes a strong case for sustainability, especially with its plug-in hybrid option, which emits only 30 g/km in hybrid mode. This difference highlights Volvo’s initiative towards greener motoring.

XC90

Final Thoughts

In conclusion, both the Mercedes GLS and Volvo XC90 present compelling arguments for potential buyers in the luxury SUV market. The GLS leans towards sheer power and technological sophistication, while the XC90 champions fuel efficiency and safety innovation. The choice ultimately hinges on personal preferences—whether one prioritizes exhilarating performance and luxury amenities or eco-friendliness and safety features. Each model embodies the ethos of its brand, making this comparison not just about technical numbers, but about lifestyle and values.

Mercedes GLS vs Volvo XC90: Key differences

Mercedes GLS

  • clearly perceptible more power
  • distinct quicker from 0–100 km/h
  • a bit more trunk space

Volvo XC90

5 (1 Reviews)
rate
  • distinct cheaper
  • convincingly more efficient
  • evident lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

GLS

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Volvo XC90 has a distinct advantage in terms of price – it starts at 69800 £ , while the Mercedes GLS costs 96100 £ . That’s a price difference of around 26358 £.

Fuel consumption also shows a difference: Volvo XC90 manages with 3.50 L and is therefore convincingly more efficient than the Mercedes GLS with 7.80 L. The difference is about 4.30 L per 100 km.

XC90

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 Mercedes GLS has a clearly perceptible edge – offering 634 HP compared to 455 HP. That’s roughly 179 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLS is distinct quicker – completing the sprint in 4.20 s, while the Volvo XC90 takes 5.40 s. That’s about 1.20 s faster.

In terms of top speed, the Mercedes GLS performs clearly perceptible better – reaching 280 km/h, while the Volvo XC90 tops out at 180 km/h. The difference is around 100 km/h.

There’s also a difference in torque: Mercedes GLS pulls a bit stronger with 850 Nm compared to 709 Nm. That’s about 141 Nm difference.

GLS

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.

Both vehicles offer seating for 7 people.

In curb weight, Volvo XC90 is evident lighter – 2080 kg compared to 2550 kg. The difference is around 470 kg.

In terms of boot space, the Mercedes GLS offers a bit more room – 355 L compared to 302 L. That’s a difference of about 53 L.

In maximum load capacity, the Mercedes GLS performs noticeable better – up to 2400 L, which is about 544 L more than the Volvo XC90.

When it comes to payload, Volvo XC90 barely noticeable takes the win – 710 kg compared to 695 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Volvo XC90 is clearly 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.

Frequently compared as well

Volvo XC90
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Mercedes GLS
Volvo XC90

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £69,800
XC90

Volvo XC90

  • Engine Type : Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 250 - 455 HP
  • Consumption L/100km : 3.5 - 8.5 L
  • Electric Range : 71 km
details

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 XC90

5 (1 Reviews)
rate

The Volvo XC90 is a serene Scandinavian SUV that mixes minimalist luxury with a composed, confidence-inspiring presence — ideal for buyers who want family practicality without sacrificing style. Inside it serves up a calm, well-crafted cabin and user-friendly tech that keeps long journeys pleasant and tantrums to a minimum, making the XC90 a smart, stylish pick for sensible drivers.

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Reviews Mercedes GLS

Reviews Volvo XC90

5 (1 Reviews)
rate
Borstel
11 Nov 2025, 12:59:12

I drive both cars. The XC90’s boot is — contrary to the figures posted here — noticeably larger than the GLC’s when carrying five people. Overall the XC90 is clearly the more comfortable and, above all, the more stable — and therefore the safer — car.

Mercedes GLS
Volvo XC90

Costs and Consumption
Price
96100 - 208500 £
Price
69800 - 84600 £
Consumption L/100km
7.8 - 13.7 L
Consumption L/100km
3.5 - 8.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
71 km
Battery Capacity
-
Battery Capacity
14.70 kWh
co2
204 - 310 g/km
co2
79 - 191 g/km
Fuel tank capacity
90 L
Fuel tank capacity
71 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
7
Doors
5
Doors
5
Curb weight
2550 - 2825 kg
Curb weight
2080 - 2297 kg
Trunk capacity
355 L
Trunk capacity
262 - 302 L
Length
5208 - 5233 mm
Length
4953 mm
Width
1956 mm
Width
1923 mm
Height
1782 - 1838 mm
Height
1771 mm
Max trunk capacity
2400 L
Max trunk capacity
1816 - 1856 L
Payload
445 - 695 kg
Payload
653 - 710 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol 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
333 - 634 HP
Power HP
250 - 455 HP
Acceleration 0-100km/h
4.2 - 6.7 s
Acceleration 0-100km/h
5.4 - 7.7 s
Max Speed
238 - 280 km/h
Max Speed
180 km/h
Torque
500 - 850 Nm
Torque
360 - 709 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
245 - 466 kW
Power kW
184 - 335 kW
Engine capacity
2989 - 3982 cm3
Engine capacity
1969 cm3

General
Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B
Brand
Mercedes-Benz
Brand
Volvo

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Is the Mercedes GLS offered with different drivetrains?

Available configurations include All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.