VS
At a Glance
Power
460 kW
270 engine kW
Torque
750 Nm
750 Nm
Fuel
12.5 l/100km
9.4 l/100km
Towing
3500 Kg
3500 Kg
0-100 km/h
3.9 s
5.8 s
Engine
4395 cc
2989 cc
Choosing between the BMW X6 and the Mercedes-Benz G-Class is one of the most common decisions car buyers in South Africa face. The BMW X6 delivers 460 kW while the Mercedes-Benz G-Class produces 270 engine kW. On fuel, the X6 returns 12.5 l/100km while the G-Class uses 9.4 l/100km — important in a market where fuel prices change monthly. Pricing starts at R3 361 901 for the X6 and R3 561 203 for the G-Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
BMW X6M Competition (f96) 2023 - From R3 361 901
Mercedes-Benz G-ClassG450d 2025 - From R3 561 203
Performance
Power Output
460 kW
270 engine kW
Torque
750 Nm
750 Nm
0-100 kph
3.9 s
5.8 s
Top Speed
290 Km/h
210 Km/h
Engine & Drivetrain
Engine Capacity
4395 cc
2989 cc
Engine Layout
V
inline
Cylinders
8
6
Fuel Type
petrol
diesel
Forced Induction Device
turbocharger
turbocharger
Transmission
automatic
automatic
Number of Gears
8
9
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Low Range
—
✓ Standard
Fuel Economy
Fuel Consumption Average
12.5 l/100km
9.4 l/100km
Fuel Tank Capacity
83 l
100 l
CO2 Emissions
285 g/km
246 g/km
Dimensions
Length
4948 mm
4825 mm
Width
2019-2212 mm
1913-2187 mm
Height
1693 mm
1973 mm
Wheelbase
2972 mm
2890 mm
Ground Clearance
212 mm
—
Kerb Weight
2370 DIN / 2445 EU Kg
2480 DIN / 2555 EU Kg
Doors
5
5
Seats
5
5
Load Volume
580-1530 l
640-2010 l
Towing & Payload
Towing Capacity
3500 Kg
3500 Kg
Load Capacity
670 lkg
645 lkg
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6
9
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
✓ Standard
✓ Standard
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
Optional
Keyless Entry
✓ Standard
Optional
Tow Bar
—
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2
2
Warranty Distance
unlimited Km
unlimited Km
Service Intervals
service interval indicator
service interval indicator
The Verdict
Which Wins?
Overall Winner
BMW X6
2 / 4 categories
Performance
X6
Fuel Economy
G-Class
Value
X6
Practicality
Tied
Pros & Cons
BMW X6
More powerful engine (460 kW)
Lower starting price (R3 361 901)
Quicker 0-100 km/h (3.9 ss)
Higher fuel consumption (12.5 l/100km)
Mercedes-Benz G-Class
Better fuel economy (9.4 l/100km)
Less power than rival (270 engine kW vs 460 kW)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the X6 or G-Class?
The X6 uses 12.5 l/100km and the G-Class uses 9.4 l/100km on the combined cycle. The G-Class is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the X6 or G-Class?
The X6 produces 460 kW and 750 Nm of torque while the G-Class delivers 270 engine kW and 750 Nm of torque. The X6 is the more powerful option.
What is the price difference between the X6 and G-Class?
The X6 starts from R3 361 901 and the G-Class from R3 561 203. The X6 is cheaper by R199 302 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the X6 or G-Class?
The X6 has a braked towing capacity of 3500 Kg and the G-Class can tow 3500 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the X6 or the G-Class?
It depends on your priorities. If fuel economy matters most, check the L/100km figures above. If you need towing capacity, compare the towing ratings. For day-to-day South African driving - load shedding runs, potholed roads, school runs and highway commutes - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.