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BMW X6 vs Mercedes G Class – Performance, range & efficiency compared

Q: How powerful is the BMW X6's engine?

The BMW X6 reaches a peak output of 625 HP, depending on the model.

Q: How much fuel does the BMW X6 use?

Based on WLTP testing, consumption is around 7.20 L.

Q: What is the top speed of the BMW X6?

Depending on the model, top speed is 250 km/h.

Q: What are the BMW X6’s length, width and height?

The BMW X6 measures 4960 mm long, 2004 mm wide and 1700 mm high.

Q: What drive types are available for the Mercedes G Class?

Available configurations include All-Wheel Drive.

Q: How powerful is the Mercedes G Class's engine?

Depending on the version, the Mercedes G Class delivers up to 605 HP.

Q: How much fuel does the Mercedes G Class use?

Fuel consumption according to the manufacturer is 8.70 L.

Q: How much electricity does the Mercedes G Class use per 100 km?

Average electricity consumption is 28 kWh.

Q: What is the electric driving range of the Mercedes G Class?

According to WLTP, the Mercedes G Class can travel up to 468 km on a single charge.

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether BMW X6 or Mercedes G Class fits your lifestyle better.

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In the Ring: BMW X6 vs. Mercedes G-Klasse

In the realm of automotive excellence, two giants stand out—the BMW X6 and the Mercedes G-Klasse. Each represents a fusion of engineering prowess and luxury, but they cater to distinct tastes and driving preferences. Let's dive deep into the technical specifications and unique innovations of these iconic vehicles.

G Class @ Mercedes-Benz Group Media

Design and Body

The BMW X6 has carved a niche with its coupé-inspired SUV design, boasting sleek lines and an aggressive stance. It measures up to 4960mm in length and has an overall width of 2019mm, slightly broader yet lower, standing at 1695mm. On the other hand, the Mercedes G-Klasse is an epitome of off-road robustness. This off-roader's boxy design is unmistakable, standing tall at 1983mm with a length of up to 4873mm.

X6 @ BMW Group Press

Engine and Performance

The X6 offers various engine configurations, including powerful petrol and diesel MHEV options. It peaks at 625 HP with a remarkable torque of up to 750 Nm, propelling the vehicle from 0 to 100 km/h in just 3.9 seconds. Meanwhile, its top speed can reach 250 km/h.

The G-Klasse stands strong with its petrol and diesel engines, complemented by a potent electric model. The most powerful petrol engine offers 605 HP, a torque of 1050 Nm, and an acceleration time of 4.4 seconds to 100 km/h. Its versatile electric variant comes with a battery capacity of 116 kWh, offering an impressive electric range up to 468 km on a single charge.

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G Class @ Mercedes-Benz Group Media

Drivetrain and Handling

Both the BMW X6 and the Mercedes G-Klasse feature all-wheel drive systems and are equipped with automatic transmissions, ensuring smooth power delivery and superior traction. The X6 leans more towards on-road performance with lighter curb weights, starting at 2240 kg. It features dynamic handling due to its lower ground clearance.

In contrast, the G-Klasse is engineered for off-road dominance, showcased in its sturdy build with a curb weight topping at 3085 kg depending on the configuration. Its capability to tackle rugged terrains is enhanced by the inclusion of a reduction gearbox.

X6 @ BMW Group Press

Fuel Efficiency and Emissions

Fuel efficiency is a defining aspect where these vehicles diverge. The BMW X6 offers a more frugal consumption rate, ranging from 7.2 to 12.7 L/100 km based on engine choice. The G-Klasse, while more powerful, consumes between 8.7 and 14.7 L/100 km and also provides a fully electric variant for zero-emission drives, meeting CO2 efficiency standards of class A.

G Class @ Mercedes-Benz Group Media

Interior and Comfort

The BMW X6 provides a luxurious cabin with premium materials and innovative tech, seating up to 5 occupants comfortably. Its trunk offers a 580-liter capacity, adequate for family getaways.

The G-Klasse retains an emphasis on spaciousness, offering a slightly larger trunk capacity of up to 640 liters. Its interior caters to adventurers with durable yet plush materials, synonymous with Mercedes-Benz luxury.

X6 @ BMW Group Press

Conclusion

Both the BMW X6 and Mercedes G-Klasse offer compelling arguments for dominance in their respective domains. While the X6 appeals to those who crave sporty sophistication and on-road prowess, the G-Klasse is an undeniable choice for enthusiasts seeking rugged luxury and trail-conquering capability. The choice largely depends on the driver's lifestyle, preferences, and the journey they envision.

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

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 X6 has a clearly perceptible advantage in terms of price – it starts at 83600 £, while the Mercedes G Class costs 106600 £. That’s a price difference of around 23019 £.

Fuel consumption also shows a difference: BMW X6 manages with 7.20 L and is therefore distinct more efficient than the Mercedes G Class with 8.70 L. The difference is about 1.50 L per 100 km.

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 X6 has a barely noticeable edge – offering 625 HP compared to 605 HP. That’s roughly 20 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW X6 is somewhat quicker – completing the sprint in 3.90 s, while the Mercedes G Class takes 4.40 s. That’s about 0.50 s faster.

In terms of top speed, the BMW X6 performs a bit better – reaching 250 km/h, while the Mercedes G Class tops out at 220 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes G Class pulls distinct stronger with 1164 Nm compared to 750 Nm. That’s about 414 Nm difference.

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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 curb weight, BMW X6 is a bit lighter – 2240 kg compared to 2485 kg. The difference is around 245 kg.

In terms of boot space, the Mercedes G Class offers slight more room – 640 L compared to 580 L. That’s a difference of about 60 L.

In maximum load capacity, the Mercedes G Class performs evident better – up to 2010 L, which is about 480 L more than the BMW X6.

When it comes to payload, Mercedes G Class hardly perceptible takes the win – 715 kg compared to 695 kg. That’s a difference of about 20 kg.

Who comes out on top?

Overall, the BMW X6 shows itself to be won narrowly and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £83,600

@ BMW Group Press

BMW X6

Price : 83600 - 146400 £
Body Type : SUV
Engine Type : Petrol MHEV, Diesel MHEV
Transmission : Automatic
Transmission Detail : Automatic Gearbox
Drive Type : All-Wheel Drive
Power HP : 298 - 625 HP
Consumption L/100km : 7.2 - 12.7 L
Seats : 5
Acceleration 0-100km/h : 3.9 - 6.1 s
Model Year : 2023 - 2025
Max Speed : 235 - 250 km/h
Torque : 540 - 750 Nm
Number of Cylinders : 6 - 8
Doors : 5
Model : X6
Modell : X6 M60i, X6 xDrive40i, X6 xDrive30d, X6 xDrive40d, X6 M Competition
CO2 Efficiency Class : G
Trim Level : xDrive Steptronic Sport, M Sportpaket Steptronic Sport, M Sportpaket Pro Steptronic Sport, M Steptronic
Power kW : 219 - 460 kW
co2 : 188 - 288 g/km
Engine capacity : 2993 - 4395 cm3
Curb weight : 2240 - 2445 kg
Fuel tank capacity : 80 - 83 L
Trunk capacity : 580 L
Length : 4948 - 4960 mm
Width : 2004 - 2019 mm
Height : 1695 - 1700 mm
Brand : BMW
Max trunk capacity : 1530 L
Payload : 595 - 695 kg

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BMW X6

The BMW X6 stands out with its distinctive coupe-like silhouette, merging the elegance of a sports car with the commanding presence of an SUV. Inside, the luxurious cabin offers premium materials and cutting-edge technology, ensuring that both driver and passengers travel in comfort and style. The vehicle's agile handling and robust performance make it a favourite among those who seek both aesthetics and driving dynamism.

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Mercedes G Class

The Mercedes-Benz G-Class stands as a symbol of rugged luxury, combining robust off-road capabilities with sophisticated design. Its iconic boxy shape and imposing presence are complemented by a lavish interior that offers a blend of comfort and cutting-edge technology. Despite its longstanding heritage, the G-Class continues to evolve, maintaining its status as a premier choice for those seeking both adventure and opulence.

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Top Car Comparisons

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BMW X6

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Mercedes A-Class

Unsure whether the BMW X6 or the Mercedes A-Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.

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BMW X6

@ Toyota Motor Corporation

Toyota Corolla Cross

The BMW X6 and Toyota Corolla Cross compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.

BMW X6

Mercedes G Class

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Costs and Consumption
Price 83600 - 146400 £	Price 106600 - 171000 £
Consumption L/100km 7.2 - 12.7 L	Consumption L/100km 8.7 - 14.7 L
Consumption kWh/100km -	Consumption kWh/100km 28 kWh
Electric Range -	Electric Range 468 km
Battery Capacity -	Battery Capacity 116 kWh
co2 188 - 288 g/km	co2 0 - 336 g/km
Fuel tank capacity 80 - 83 L	Fuel tank capacity 100 L

Dimensions and Body
Body Type SUV	Body Type Off-Roader
Seats 5	Seats 5
Doors 5	Doors 5
Curb weight 2240 - 2445 kg	Curb weight 2485 - 3085 kg
Trunk capacity 580 L	Trunk capacity 620 - 640 L
Length 4948 - 4960 mm	Length 4624 - 4873 mm
Width 2004 - 2019 mm	Width 1931 - 1984 mm
Height 1695 - 1700 mm	Height 1973 - 1983 mm
Max trunk capacity 1530 L	Max trunk capacity 1990 - 2010 L
Payload 595 - 695 kg	Payload 415 - 715 kg

Engine and Performance
Engine Type Petrol MHEV, Diesel MHEV	Engine Type Electric, Petrol MHEV, Diesel MHEV
Transmission Automatic	Transmission Automatic
Transmission Detail Automatic Gearbox	Transmission Detail Reduction Gearbox, Automatic Gearbox
Drive Type All-Wheel Drive	Drive Type All-Wheel Drive
Power HP 298 - 625 HP	Power HP 387 - 605 HP
Acceleration 0-100km/h 3.9 - 6.1 s	Acceleration 0-100km/h 4.4 - 5.8 s
Max Speed 235 - 250 km/h	Max Speed 180 - 220 km/h
Torque 540 - 750 Nm	Torque 760 - 1164 Nm
Number of Cylinders 6 - 8	Number of Cylinders 6 - 8
Power kW 219 - 460 kW	Power kW 285 - 445 kW
Engine capacity 2993 - 4395 cm3	Engine capacity 2989 - 3982 cm3