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Mercedes GLS vs VW ID.3 comparison

Compare performance (404 HP vs 231 HP), boot space and price (92,700 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or VW ID.3?

Mercedes GLS vs VW ID.3: Key differences

Mercedes GLS

  • significantly more power
  • clearly quicker 0–100 km/h
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VW ID.3

4.8 (6 Reviews)
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  • considerably cheaper
  • visibly lighter
  • barely more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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.

VW ID.3 is considerably cheaper – starting at 29,100 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 63,524 £.

ID.3

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 offers significantly more power – delivering 404 HP compared to 231 HP. That’s roughly 173 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is clearly quicker – completing the sprint in 5.6 s, while the VW ID.3 takes 7.1 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers significantly more torque with 750 Nm compared to 350 Nm. That’s about 400 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, VW ID.3 is visibly lighter – 1,885 kg compared to 2,580 kg. The difference is around 695 kg.

Looking at boot space, the VW ID.3 offers barely more boot space – 383 L compared to 355 L. That’s a difference of about 28 L.

When it comes to payload, the Mercedes GLS carries substantially more – 820 kg compared to 464 kg. That’s a difference of about 356 kg.

Who wins the race in the data check?

The VW ID.3 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 £29,100
ID.3

VW ID.3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 170 - 231 HP
  • Consumption kWh/100km 13.9 - 14.4 kWh/100km
  • Electric Range 410 - 629 km
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Mercedes GLS
VW ID.3

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

No reviews yet. Share your experience and help others decide.

VW ID.3

The VW ID.3 is Volkswagen’s compact electric hatch that prioritizes practical daily usability with a comfortable, modern interior. It delivers a smooth, quiet driving experience and intuitive tech that makes switching to electric straightforward.

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Reviews VW ID.3

4.8 (6 Reviews)
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Pennings
6 May 2026, 08:03:27

ID.3 catches less wind. It's more pleasant, especially on the highway. Also: more economical, lighter and with the same step‑in height.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Mr C Blagdon
14 Jan 2026, 12:07:54

Great all rounder, surprisingly spacious cabin. Rapid and refined. Not quiet enough space in the boot for a bike, could use more ground clearance.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes GLS
VW ID.3

Costs and Consumption
Price
92,700 - 104,600 £
Price
29,100 - 40,800 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
13.9 - 14.4 kWh/100km
Electric Range
-
Electric Range
410 - 629 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,580 - 2,670 kg
Curb weight
1,885 - 1,966 kg
Trunk capacity
355 L
Trunk capacity
383 L
Length
-
Length
-
Width
1,956 mm
Width
1,809 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
422 - 464 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
336 - 404 HP
Power HP
170 - 231 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
7.1 - 8 s
Max Speed
-
Max Speed
-
Torque
560 - 750 Nm
Torque
350 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
247 - 297 kW
Power kW
125 - 170 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
VW
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.