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Mercedes GLS vs Renault Symbioz comparison

Compare performance (404 HP vs 158 HP), boot space and price (92,700 £ vs 24,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Renault Symbioz?

Mercedes GLS vs Renault Symbioz: Key differences

Mercedes GLS

  • considerably more power
  • clearly quicker 0–100 km/h
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Renault Symbioz

4.8 (5 Reviews)
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  • significantly cheaper
  • considerably more efficient
  • significantly lighter
  • visibly 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:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Renault Symbioz is significantly cheaper – starting at 24,700 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 67,977 £.

Fuel consumption also shows a difference: the Renault Symbioz uses 4.5 L/100km and is considerably more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 3.4 L/100km.

Symbioz

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 Mercedes GLS offers considerably more power – delivering 404 HP compared to 158 HP. That’s roughly 246 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 Renault Symbioz takes 9.1 s. That’s about 3.5 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers clearly more torque with 750 Nm compared to 265 Nm. That’s about 485 Nm more.

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.

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

In terms of curb weight, Renault Symbioz is significantly lighter – 1,359 kg compared to 2,580 kg. The difference is around 1,221 kg.

Looking at boot space, the Renault Symbioz offers visibly more boot space – 576 L compared to 355 L. That’s a difference of about 221 L.

When it comes to payload, the Mercedes GLS carries considerably more – 820 kg compared to 459 kg. That’s a difference of about 361 kg.

Who wins the race in the data check?

The Renault Symbioz stands well ahead of its rival 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 £24,700
Symbioz

Renault Symbioz

  • Engine Type Full Hybrid, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type Front-Wheel Drive
  • Power HP 140 - 158 HP
  • Consumption L/100km 4.5 - 6 L/100km
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Frequently compared as well

Renault Austral
Renault Symbioz
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Mercedes GLS
Renault Symbioz

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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19C0481_004
19C0481_007
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Reviews Mercedes GLS

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

Renault Symbioz

The Renault Symbioz is a forward-looking concept car that imagines a seamless link between vehicle and home, pairing a lounge-like cabin with striking, futuristic styling. More idea than production plan, it showcases Renault's vision for connected, autonomous and sustainable mobility while provoking debate about how we will live and travel.

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Reviews Renault Symbioz

4.8 (5 Reviews)
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PF
19 Feb 2026, 11:56:45

A delightful hybrid (family car). Roomy, quick (combined nearly 150 hp) and safe.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michael
5 Dec 2025, 23:17:28

I've been driving the Symbioz Full Hybrid with the iconic trim for 3,500 km. I test-drove both cars. I think the win goes to the Symbioz. Good quality at a family-friendly price. Unfortunately the Opel is simply too expensive. Strangely, what never really gets mentioned is that the Symbioz's suspension is absolutely superb.

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Mercedes GLS
Renault Symbioz

Costs and Consumption
Price
92,700 - 104,600 £
Price
24,700 - 31,100 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
4.5 - 6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
102 - 136 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,580 - 2,670 kg
Curb weight
1,359 - 1,465 kg
Trunk capacity
355 L
Trunk capacity
492 - 576 L
Length
-
Length
-
Width
1,956 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
455 - 459 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Full Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
336 - 404 HP
Power HP
140 - 158 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
9.1 - 11 s
Max Speed
-
Max Speed
-
Torque
560 - 750 Nm
Torque
250 - 265 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
247 - 297 kW
Power kW
103 - 116 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
1,332 - 1,789 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
C, D, E
Brand
Mercedes-Benz
Brand
Renault
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.