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BMW 5 Series Saloon vs Mercedes G Class comparison

Compare performance (727 HP vs 605 HP), boot space and price (50,800 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Saloon or Mercedes G Class?

BMW 5 Series Saloon vs Mercedes G Class: Key differences

BMW 5 Series Saloon

  • clearly cheaper
  • somewhat more power
  • substantially more efficient
  • clearly quicker 0–100 km/h
  • noticeably lighter

Mercedes G Class

  • clearly more electric range
  • slightly more trunk space

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

5 Series Saloon

Costs and Efficiency:

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

BMW 5 Series Saloon is clearly cheaper – starting at 50,800 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 55,762 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is substantially more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 6.6 L/100km.

As for electric range, the Mercedes G Class offers clearly more range – reaching up to 468 km, about 363 km more than the BMW 5 Series Saloon.

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 BMW 5 Series Saloon offers somewhat more power – delivering 727 HP compared to 605 HP. That’s roughly 122 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is clearly quicker – completing the sprint in 3.5 s, while the Mercedes G Class takes 4.4 s. That’s about 0.9 s quicker.

Looking at top speed, the BMW 5 Series Saloon is markedly faster – reaching 250 km/h, while the Mercedes G Class tops out at 180 km/h. The difference is around 70 km/h.

There’s also a difference in torque: the Mercedes G Class delivers moderately more torque with 1,164 Nm compared to 1,000 Nm. That’s about 164 Nm more.

5 Series Saloon

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 5 Series Saloon is noticeably lighter – 1,800 kg compared to 2,485 kg. The difference is around 685 kg.

Looking at boot space, the Mercedes G Class offers slightly more boot space – 640 L compared to 520 L. That’s a difference of about 120 L.

When it comes to payload, the Mercedes G Class carries a bit more – 715 kg compared to 600 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The BMW 5 Series Saloon 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 £50,800
5 Series Saloon

BMW 5 Series Saloon

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 197 - 727 HP
  • Consumption L/100km : 2.1 - 5.8 L/100km
  • Electric Range : 67 - 105 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 5 Series Saloon

The BMW 5 Series Saloon blends executive poise with a driver's instinct, delivering a supple, refined cabin and a chassis that prefers composed authority over bravado. For buyers who want a grown-up commuter that still enjoys a twisty road, it’s the kind of car that keeps your colleagues impressed and your weekend grin intact.

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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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BMW 5 Series Saloon
Mercedes G Class

Costs and Consumption
Price
50,800 - 124,500 £
Price
106,600 - 171,000 £
Consumption L/100km
2.1 - 5.8 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
67 - 105 km
Electric Range
468 km
Battery Capacity
19 - 19.4 kWh
Battery Capacity
116 kWh
co2
48 - 152 g/km
co2
0 - 336 g/km
Fuel tank capacity
60 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Off-Roader
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1,800 - 2,515 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
466 - 520 L
Trunk capacity
620 - 640 L
Length
5,060 mm
Length
4,624 mm
Width
1,900 - 1,970 mm
Width
1,931 - 1,984 mm
Height
1,515 mm
Height
1,983 mm
Max trunk capacity
-
Max trunk capacity
1,990 L
Payload
425 - 600 kg
Payload
415 - 715 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Electric, Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
197 - 727 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
225 - 250 km/h
Max Speed
180 km/h
Torque
330 - 1,000 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
145 - 535 kW
Power kW
285 - 445 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,023 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, E, B, C
CO2 Efficiency Class
A, G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW 5 Series Saloon offered with different drivetrains?

Available configurations include Rear-Wheel Drive or 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.