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Mercedes G Class VS Rolls-Royce Cullinan – Specs, Efficiency & Price Comparison

Which model is the better choice – the Mercedes G Class or the Rolls-Royce Cullinan? We compare performance (605 HP vs 600 HP), boot capacity (640 L vs 555 L), efficiency (28 kWh8.70 L vs 15.20 L), and of course, the price (105300 £ vs 263500 £).
Find out now which car fits your needs better!

The Mercedes G Class (Off-Roader) is powered by a Petrol MHEV, Electric or Diesel MHEV engine and comes with a Automatic transmission. In comparison, the Rolls-Royce Cullinan (SUV) features a Petrol MHEV or Petrol engine and a Automatic gearbox.

When it comes to boot capacity, the Mercedes G Class offers 640 L, while the Rolls-Royce Cullinan provides 555 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 605 HP of the Mercedes G Class or the 600 HP of the Rolls-Royce Cullinan suits your needs better.

There are also differences in efficiency: 28 kWh8.70 L vs 15.20 L. In terms of price, the Mercedes G Class starts at 105300 £, while the Rolls-Royce Cullinan is available from 263500 £.

Compare all the key specs now and find out which model fits your lifestyle best!

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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Rolls-Royce Cullinan

The Cullinan seamlessly combines the hallmark luxury of Rolls-Royce with the rugged versatility of an SUV, making it a true standout in the automotive landscape. Its impeccably crafted interior envelops passengers in a serene atmosphere, complemented by advanced technology and unparalleled comfort. With its commanding presence on the road, the Cullinan redefines what it means to travel in style without compromising on capability.

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Mercedes G Class
Rolls-Royce Cullinan
G Class

Costs and Consumption

Price
105300 - 171000 £
Price
263500 - 312700 £
Consumption L/100km
8.7 - 14.7 L
Consumption L/100km
15.2 - 16.3 L
Consumption kWh/100km
28 - 28.9 kWh
Consumption kWh/100km
-
Electric Range
455 - 468 km
Electric Range
-
Battery Capacity
116 kWh
Battery Capacity
-
co2
0 - 336 g/km
co2
344 - 370 g/km
Fuel tank capacity
100 L
Fuel tank capacity
100 L

Dimensions and Body

Body Type
Off-Roader
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2485 - 3085 kg
Curb weight
2660 kg
Trunk capacity
620 - 640 L
Trunk capacity
555 L
Length
4624 - 4873 mm
Length
5341 mm
Width
1931 - 1984 mm
Width
2164 mm
Height
1973 - 1983 mm
Height
1835 mm
Payload
415 - 715 kg
Payload
840 kg

Engine and Performance

Engine Type
Petrol MHEV, Electric, Diesel MHEV
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
387 - 605 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
180 - 220 km/h
Max Speed
250 km/h
Torque
760 - 1164 Nm
Torque
850 - 900 Nm
Number of Cylinders
6 - 8
Number of Cylinders
12
Power kW
285 - 445 kW
Power kW
420 - 441 kW
Engine capacity
2989 - 3982 cm3
Engine capacity
6749 cm3

General

Model Year
2024 - 2025
Model Year
2020
CO2 Efficiency Class
G, A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Rolls-Royce

Mercedes G Class

Reimagining the Icon: A Deep Dive into the Mercedes-Benz G-Class

Long regarded as the epitome of luxury in the off-road vehicle segment, the Mercedes-Benz G-Class continues to capture the imagination of car enthusiasts with its perfect blend of heritage, capability, and modern innovation. As the G-Class evolves, it continues to captivate with its sophisticated technology and uncompromised performance.

Timeless Design with Modern Innovations

The Mercedes-Benz G-Class may have a classic boxy silhouette that dates back to its origins, but beneath its exterior lies a treasure trove of modern technology. The design updates include an array of LED lights and aerodynamically optimized components that seamlessly integrate its rugged ethos with a contemporary finish. This aesthetic appeal is complemented by its remarkable interior, which features state-of-the-art technologies and luxurious materials.

Powertrain Performance and Options

The G-Class offers a variety of powertrain configurations, each of which is crafted to deliver awe-inspiring performance. With engine options ranging from diesel mild-hybrids, like the impressive 387 PS model, to fully electric variations boasting up to 588 PS, versatility is a key component of the G-Class DNA. These engines are paired with an advanced 9-speed automatic transmission, ensuring a smooth and controlled ride across all terrains.

Unmatched Driving Dynamics and Off-road Capability

Famed for its off-road prowess, the G-Class remains a formidable force on and off the tarmac. The iconic off-roader comes with a range of driving modes and features, including a sophisticated all-wheel-drive system. Drivers benefit from technologies such as advanced traction control and adaptive damping, which adjust to the terrain, enhancing the vehicle's off-road capabilities while maintaining luxury-grade comfort.

Safety and Technology at the Core

The G-Class is equipped with Mercedes-Benz's suite of safety technologies, offering peace of mind no matter the journey. Features such as adaptive cruise control, lane-keeping assistance, and active brake assist illustrate Mercedes-Benz's commitment to safety. Furthermore, the infotainment system marries cutting-edge connectivity with an intuitive user interface, providing both driver and passengers with an elevated driving experience.

Efficiency and Practicality

Despite its imposing stature, the G-Class offers an efficient performance profile, with CO2 efficiency ratings starting from A. The intelligent hybrid systems employed in both petrol and diesel models significantly enhance fuel efficiency, with consumption figures ranging from 8.7 to 14.7 L/100km, and electric vehicles offering an impressive range of up to 468 km.

The Premium Off-road Luxury Experience

Mercedes-Benz has undeniably preserved the essence of the G-Class while infusing it with innovations that cater to modern demands. From its robust powertrains to its exceptional craftsmanship and technology, the G-Class stands as a testament to Mercedes-Benz's prowess in the luxury off-road market.

For those yearning for a blend of luxury, performance, and adventure, the G-Class remains an unmatched option—proving that some legends only get better with time.

Rolls-Royce Cullinan

The Rolls-Royce Cullinan stands as a monumental achievement in luxury SUV design, combining the elegance and craftsmanship of Rolls-Royce with the versatility and functionality expected of a sport utility vehicle. Named after the largest diamond ever found, the Cullinan embodies opulence and innovation, appealing to those who desire an extraordinary driving experience.

A Masterpiece of Engineering

At the heart of the Cullinan is the powerful 6.8-liter V12 engine, available in two configurations: the Petrol MHEV variant producing 571 HP and the traditional Petrol variant generating 600 HP. Both options offer an unparalleled blend of performance and refinement, allowing the Cullinan to accelerate from 0 to 100 km/h in just 5.2 seconds for the MHEV and an impressive 4.9 seconds for the standard version. This exhilarating performance is further complemented by a maximum speed of 250 km/h.

All-Wheel Drive Precision

The Cullinan features an advanced all-wheel drive system that ensures maximum grip and control on a variety of terrains. Its sophisticated automatic transmission seamlessly shifts gears, providing a smooth and responsive driving experience. With torque reaching up to 900 Nm, the Cullinan effortlessly tackles inclines while offering a commanding presence on the road.

Luxurious Interior and Exquisite Craftsmanship

Inside, the Cullinan showcases the hallmark luxury of Rolls-Royce with a cabin tailored to perfection. Seats for five are wrapped in high-quality leather, while the expansive trunk capacity of 555 liters offers ample space for luggage—making it the ideal companion for long journeys or a weekend getaway. The attention to detail, from the handcrafted wood finishes to the bespoke audio system, sets a new benchmark in automotive luxury.

Innovative Technology

The Cullinan is equipped with advanced technological features that enhance both comfort and safety. A state-of-the-art infotainment system integrates seamlessly with smartphones, offering drivers and passengers user-friendly navigation and entertainment options. Moreover, enhanced driver-assistance technologies provide peace of mind, ensuring safety while on the move.

Fuel Efficiency Meets Performance

Despite its large size and high performance, the Cullinan remains surprisingly efficient, with fuel consumption rates of 15.2 L/100 km for the MHEV and 16.3 L/100 km for the standard variant. This balance showcases Rolls-Royce’s commitment to innovation without compromising on luxury or performance.

Conclusion: The Pinnacle of Luxury SUVs

In a market crowded with premium SUVs, the Rolls-Royce Cullinan stands apart through its unique blend of power, elegance, and advanced engineering. It is a testament to the brand's legacy, setting a new standard for what a luxury SUV can and should be. For those seeking a vehicle that doesn't just transport them, but envelops them in luxury and performance, the Cullinan is truly unrivaled.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.