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Mercedes G-Class vs Lexus RZ comparison

Compare performance (605 HP vs 408 HP), boot space and price (106,600 £ vs 48,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Lexus RZ?

Mercedes G-Class vs Lexus RZ: Key differences

Mercedes G-Class

  • visibly more power
  • slightly more trunk space
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Lexus RZ

4.8 (2 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • moderately more electric range
  • clearly lighter
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By Achim Sedelmaier

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

G-Class

Costs and Efficiency:

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

Lexus RZ is significantly cheaper – starting at 48,900 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 57,648 £.

In terms of energy consumption, the Lexus RZ is substantially more efficient: consuming 14.7 kWh/100km compared to 28 kWh/100km for the Mercedes G-Class. That’s a difference of about 13.3 kWh/100km.

As for electric range, the Lexus RZ offers moderately more range – reaching up to 559 km, about 80 km more than the Mercedes G-Class.

RZ

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 G-Class offers visibly more power – delivering 605 HP compared to 408 HP. That’s roughly 197 HP more horsepower.

Both models accelerate almost equally fast – 4.4 s from 0 to 100 km/h.

There’s also a difference in torque: the Mercedes G-Class delivers significantly more torque with 1,164 Nm compared to 538 Nm. That’s about 626 Nm more.

G-Class

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Lexus RZ is clearly lighter – 1,995 kg compared to 2,485 kg. The difference is around 490 kg.

Looking at boot space, the Mercedes G-Class offers slightly more boot space – 640 L compared to 522 L. That’s a difference of about 118 L.

When it comes to payload, the Mercedes G-Class carries noticeably more – 715 kg compared to 540 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The Lexus RZ is clearly superior 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 £48,900
RZ

Lexus RZ

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 227 - 408 HP
  • Consumption kWh/100km 14.7 - 18.1 kWh/100km
  • Electric Range 457 - 559 km
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Frequently compared as well

Lexus RZ
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Mercedes G-Class
Lexus RZ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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18C0997_133
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18C0997_262

Reviews Mercedes G-Class

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

Lexus RZ

The Lexus RZ brings Lexus' trademark quiet luxury to the electric SUV world, wrapping poised handling and a plush, well-crafted cabin in a calm, composed package. It won't shout about raw figures — instead it trades headline numbers for smooth power delivery, fuss-free tech and an effortless refinement that will suit buyers who want electric convenience without losing the luxury experience.

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Reviews Lexus RZ

4.8 (2 Reviews)
rate

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

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Mercedes G-Class
Lexus RZ

Costs and Consumption
Price
106,600 - 171,000 £
Price
48,900 - 67,500 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
14.7 - 18.1 kWh/100km
Electric Range
479 km
Electric Range
457 - 559 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Off-Roader
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
1,995 - 2,135 kg
Trunk capacity
640 L
Trunk capacity
522 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
505 - 540 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
387 - 605 HP
Power HP
227 - 408 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
4.4 - 7.5 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
269 - 538 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
285 - 445 kW
Power kW
167 - 300 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Lexus
What drivetrain options does the Mercedes G-Class have?

The Mercedes G-Class 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.