VS
At a Glance
Power
550 kW
432 kW
Torque
1000 Nm
1164 Nm
Fuel
2.7 l/100km when hybrid battery charged
27.7-30.3 kWh/100km l/100km
Towing
2700 Kg
—
0-100 km/h
3.8 s
4.7 s
Engine
4395 cc
electric cc
Choosing between the BMW XM and the Mercedes-Benz G-Class is one of the most common decisions South African car buyers face. The BMW XM delivers 550 kW while the Mercedes-Benz G-Class produces 432 kW. On fuel, the XM returns 2.7 l/100km when hybrid battery charged + 33.7 kWh/100km combined / 12.8 l/100km when discharged l/100km while the G-Class uses 27.7-30.3 kWh/100km l/100km — important in a market where fuel prices change monthly. Pricing starts at R3 675 000 for the XM and R3 827 400 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.
Performance
Power Output
550 kW
432 kW
Torque
1000 Nm
1164 Nm
0-100 kph
3.8 s
4.7 s
Top Speed
290 Km/h
180 Km/h
Engine & Drivetrain
Engine Capacity
4395 cc
electric cc
Engine Layout
V
—
Cylinders
8
—
Fuel Type
petrol-electric hybrid
electric
Forced Induction Device
turbocharger
—
Transmission
automatic
automatic
Number of Gears
8
—
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Low Range
—
✓ Standard
Fuel Economy
Fuel Consumption Average
2.7 l/100km when hybrid battery charged
27.7-30.3 kWh/100km l/100km
Fuel Tank Capacity
69 litre + 29.5 kWh l
116 kWh l
CO2 Emissions
53 when hybrid battery charged g/km
—
Dimensions
Length
5110 mm
4624 mm
Width
2005-2235 mm
1913-2187 mm
Height
1755 mm
1986 mm
Wheelbase
3105 mm
2890 mm
Ground Clearance
220 mm
250 mm
Kerb Weight
2720 DIN / 2795 EU Kg
3010 DIN / 3085 EU Kg
Doors
5
5
Seats
5
5
Load Volume
527-1820 l
620-1990 l
Towing & Payload
Towing Capacity
2700 Kg
—
Load Capacity
580 l
415 l
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
Heated Seats
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
Optional
Tow Bar
✓ Standard
—
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2 vehicle / 8 hybrid battery
2 vehicle / 8 battery
Warranty Distance
unlimited vehicle / 100000 hybrid batter
unlimited vehicle / 160000 battery Km
Service Intervals
service interval indicator
service interval indicator
The Verdict
Which Wins?
Overall Winner
BMW XM
3 / 4 categories
Performance
XM
Fuel Economy
Tied
Value
XM
Practicality
XM
Pros & Cons
BMW XM
More powerful engine (550 kW)
Lower starting price (R3 675 000)
Quicker 0-100 km/h (3.8 ss)
Few notable weaknesses
Mercedes-Benz G-Class
Well-rounded specification
Less power than rival (432 kW vs 550 kW)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the XM or G-Class?
The XM uses 2.7 l/100km when hybrid battery charged + 33.7 kWh/100km combined / 12.8 l/100km when discharged l/100km and the G-Class uses 27.7-30.3 kWh/100km l/100km on the combined cycle. In South African conditions with a mix of highway and urban driving, real-world figures will be slightly higher.
Which has more power, the XM or G-Class?
The XM produces 550 kW and 1000 Nm of torque while the G-Class delivers 432 kW and 1164 Nm of torque. The XM is the more powerful option.
What is the price difference between the XM and G-Class?
The XM starts from R3 675 000 and the G-Class from R3 827 400. The XM is cheaper by R152 400 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the XM or G-Class?
The XM has a braked towing capacity of 2700 Kg and the G-Class can tow not specified. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the XM 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.