VS
At a Glance
Power
390 kW
500 kW
Torque
750 Nm
1020 Nm
Fuel
11.9 l/100km
11.0 when hybrid battery discharged / 7.
Towing
3500 Kg
1800 Kg
0-100 km/h
4.3 s
3.5 s
Engine
4395 cc
1991 cc
Choosing between the BMW X6 and the Mercedes-AMG GLC is one of the most common decisions South African car buyers face. The BMW X6 delivers 390 kW while the Mercedes-AMG GLC produces 500 kW. On fuel, the X6 returns 11.9 l/100km while the GLC uses 11.0 when hybrid battery discharged / 7.5 combined l/100km — important in a market where fuel prices change monthly. Pricing starts at R2 295 215 for the X6 and R2 723 594 for the GLC. 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
390 kW
500 kW
Torque
750 Nm
1020 Nm
0-100 kph
4.3 s
3.5 s
Top Speed
250 Km/h
275 Km/h
Engine & Drivetrain
Engine Capacity
4395 cc
1991 cc
Engine Layout
V
inline
Cylinders
8
4
Fuel Type
petrol
petrol-electric hybrid
Forced Induction Device
turbocharger
turbocharger
Transmission
automatic
automatic
Number of Gears
8
9
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Fuel Economy
Fuel Consumption Average
11.9 l/100km
11.0 when hybrid battery discharged / 7.
Fuel Tank Capacity
83 l
65 l
CO2 Emissions
269 g/km
170 combined g/km
Dimensions
Length
4960 mm
4749 mm
Width
2004-2212 mm
1920-2076 mm
Height
1696 mm
1635 mm
Wheelbase
2975 mm
2888 mm
Ground Clearance
216 mm
—
Kerb Weight
2315 DIN / 2390 EU Kg
2235 DIN / 2310 EU Kg
Doors
5
5
Seats
5
5
Load Volume
580-1530 l
470-1530 l
Towing & Payload
Towing Capacity
3500 Kg
1800 Kg
Load Capacity
770 l
575 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6
7
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
Optional
Optional
Adaptive Cruise Control
Optional
Optional
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
✓ Standard
Keyless Entry
✓ Standard
Optional
Tow Bar
✓ Standard
✓ 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
Tie
2 / 4 categories
Performance
GLC
Fuel Economy
GLC
Value
X6
Practicality
X6
Pros & Cons
BMW X6
Lower starting price (R2 295 215)
Higher towing capacity (3500 Kg)
Higher fuel consumption (11.9 l/100km)
Less power than rival (390 kW vs 500 kW)
Mercedes-AMG GLC
More powerful engine (500 kW)
Better fuel economy (11.0 when hybrid battery discharged / 7.5 combined l/100km)
Quicker 0-100 km/h (3.5 ss)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the X6 or GLC?
The X6 uses 11.9 l/100km and the GLC uses 11.0 when hybrid battery discharged / 7.5 combined l/100km on the combined cycle. The GLC is the more fuel-efficient choice. In South African conditions with a mix of highway and urban driving, real-world figures will be slightly higher.
Which has more power, the X6 or GLC?
The X6 produces 390 kW and 750 Nm of torque while the GLC delivers 500 kW and 1020 Nm of torque. The GLC is the more powerful option.
What is the price difference between the X6 and GLC?
The X6 starts from R2 295 215 and the GLC from R2 723 594. The X6 is cheaper by R428 379 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the X6 or GLC?
The X6 has a braked towing capacity of 3500 Kg and the GLC can tow 1800 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the X6 or the GLC?
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.