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Mercedes GLS vs Lexus LM comparison

Compare performance (404 HP vs 206 HP), boot space and price (92,700 £ vs 109,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Lexus LM?

Mercedes GLS vs Lexus LM: Key differences

Mercedes GLS

  • somewhat cheaper
  • clearly more power
  • considerably quicker 0–100 km/h
  • significantly more trunk space
details

Lexus LM

  • slightly more efficient
  • moderately lighter
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 somewhat cheaper – starting at 92,700 £ , while the Lexus LM costs 109,700 £ . That’s a price difference of around 17,052 £.

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

LM

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 clearly more power – delivering 404 HP compared to 206 HP. That’s roughly 198 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is considerably quicker – completing the sprint in 5.6 s, while the Lexus LM takes 8.7 s. That’s about 3.1 s quicker.

GLS

Space and Everyday Use:

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

Both vehicles offer seating for 7 people.

In terms of curb weight, Lexus LM is moderately lighter – 2,345 kg compared to 2,580 kg. The difference is around 235 kg.

Looking at boot space, the Mercedes GLS offers significantly more boot space – 355 L compared to 110 L. That’s a difference of about 245 L.

When it comes to payload, the Mercedes GLS carries noticeably more – 820 kg compared to 535 kg. That’s a difference of about 285 kg.

Who wins the race in the data check?

The Mercedes GLS holds a decisive overall lead 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
details

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View detailed analysis

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View detailed analysis

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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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Lexus LM

The Lexus LM is a decadent, chauffeur-friendly people carrier that dresses up van practicality with yacht-like luxury and unmistakable Lexus polish. Inside it’s all about rear-seat pampering and serene refinement — perfect for buyers who want to arrive feeling like royalty, even if it’s not for the tightest budget or the smallest parking space.

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Reviews Lexus LM

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Lexus LM

Costs and Consumption
Price
92,700 - 104,600 £
Price
109,700 - 131,900 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
7.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
160 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
MPV
Seats
7
Seats
4 - 7
Doors
-
Doors
-
Curb weight
2,580 - 2,670 kg
Curb weight
2,345 kg
Trunk capacity
355 L
Trunk capacity
110 L
Length
-
Length
-
Width
1,956 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
525 - 535 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
CVT
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 404 HP
Power HP
206 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
8.7 s
Max Speed
-
Max Speed
-
Torque
560 - 750 Nm
Torque
-
Number of Cylinders
6
Number of Cylinders
4
Power kW
247 - 297 kW
Power kW
152 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
2,487 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
F
Brand
Mercedes-Benz
Brand
Lexus
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.