VS

BMW Z4 vs Mercedes G-Class comparison

Compare performance (340 HP vs 605 HP), boot space and price (43,500 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Mercedes G-Class?

BMW Z4 vs Mercedes G-Class: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • considerably cheaper
  • clearly more efficient
  • significantly lighter
details

Mercedes G-Class

  • considerably more power
  • marginally quicker 0–100 km/h
  • significantly more trunk space
details

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

Z4

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.

BMW Z4 is considerably cheaper – starting at 43,500 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 63,133 £.

Fuel consumption also shows a difference: the BMW Z4 uses 6.9 L/100km and is clearly more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 1.8 L/100km.

G-Class

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 G-Class offers considerably more power – delivering 605 HP compared to 340 HP. That’s roughly 265 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is marginally quicker – completing the sprint in 4.4 s, while the BMW Z4 takes 4.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers clearly more torque with 1,164 Nm compared to 500 Nm. That’s about 664 Nm more.

Z4

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 G-Class offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is significantly lighter – 1,510 kg compared to 2,485 kg. The difference is around 975 kg.

Looking at boot space, the Mercedes G-Class offers significantly more boot space – 640 L compared to 281 L. That’s a difference of about 359 L.

When it comes to payload, the Mercedes G-Class carries clearly more – 715 kg compared to 235 kg. That’s a difference of about 480 kg.

Who wins the race in the data check?

The Mercedes G-Class 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 £106,600
G-Class

Mercedes G-Class

  • Engine Type Petrol MHEV, Diesel MHEV, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 387 - 605 HP
  • Consumption L/100km 8.7 - 14.7 L/100km
  • Consumption kWh/100km 28 kWh/100km
  • Electric Range 479 km
details

Frequently compared as well

BMW Z4
Mercedes SL Class
VS
BMW Z4 and Mercedes SL Class go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BMW Z4 or the Mercedes SL …
Mercedes G-Class
Ineos Grenadier Geländewagen
VS
Mercedes G-Class and Ineos Grenadier Geländewagen go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the …
BMW Z4
Mercedes G-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

details
P90479448_highRes_bmw-z4-m40i-09-2022
P90479454_highRes_bmw-z4-m40i-09-2022
P90479457_highRes_bmw-z4-m40i-09-2022
P90479470_highRes_bmw-z4-m40i-09-2022
P90479471_highRes_bmw-z4-m40i-09-2022

Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

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

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.

details
18C0997_133
19C0473_066
18C0997_262

Reviews Mercedes G-Class

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

Frequently compared as well

BMW 4 Series Coupe
BMW Z4
VS
BMW 4 Series Coupe and BMW Z4 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BMW 4 Series Coupe or …
BMW Z4
BMW 8 Series Convertible
VS
BMW Z4 and BMW 8 Series Convertible go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BMW Z4 or the BMW …
Mercedes G-Class
Mercedes GLE
VS
Mercedes G-Class and Mercedes GLE go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes G-Class or …
Mercedes G-Class
Toyota Land Cruiser
VS
Mercedes G-Class and Toyota Land Cruiser go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes …
Mercedes G-Class
Rolls-Royce Cullinan
VS
Mercedes G-Class and Rolls-Royce Cullinan go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes …
BMW Z4
Mazda MX-5 Coupe
VS
BMW Z4 and Mazda MX-5 Coupe go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BMW Z4 or the Mazda MX-5 …
BMW Z4
Porsche Boxster
VS
BMW Z4 and Porsche Boxster go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BMW Z4 or the Porsche …
Alpine A110
Mercedes G-Class
VS
Alpine A110 and Mercedes G-Class go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Alpine A110 or the …
BMW Z4
Mercedes G-Class

Costs and Consumption
Price
43,500 - 65,300 £
Price
106,600 - 171,000 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
-
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Off-Roader
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,510 - 1,640 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
281 L
Trunk capacity
640 L
Length
-
Length
-
Width
1,864 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
197 - 340 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
320 - 500 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
145 - 250 kW
Power kW
285 - 445 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
G, A
Brand
BMW
Brand
Mercedes-Benz
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as Rear-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.