VS
At a Glance
Power
258kW@6000
368 kW
Torque
530Nm@2800
660 Nm
Fuel
14.9
12.3 l/100km
Towing
3500
3500 Kg
0-100 km/h
6.1
4.4 s
Engine
5461
3996 cc
Choosing between the MERCEDES G-GLASS and the Porsche Cayenne is one of the most common decisions South African car buyers face. The MERCEDES G-GLASS delivers 258kW@6000 while the Porsche Cayenne produces 368 kW. On fuel, the G-GLASS returns 14.9 while the Cayenne uses 12.3 l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 497 899 for the G-GLASS and R2 753 000 for the Cayenne. 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
258kW@6000
368 kW
Torque
530Nm@2800
660 Nm
0-100 kph
6.1
4.4 s
Top Speed
210
275 Km/h
Engine & Drivetrain
Engine Capacity
5461
3996 cc
Engine Layout
LONGITUDINAL V 8
V
Cylinders
8
8
Fuel Type
UNLEADED
petrol
Forced Induction Device
—
turbocharger
Transmission
AUTOMATIC
automatic
Number of Gears
7
8
Drive Wheels
ALL
all
Full Time 4x4
✓ Standard
✓ Standard
Low Range
✗
—
Fuel Economy
Fuel Consumption Average
14.9
12.3 l/100km
Fuel Consumption Urban
—
—
Fuel Consumption Highway
—
—
Fuel Tank Capacity
96
90 l
CO2 Emissions
348
280 g/km
Dimensions
Length
4662
4930 mm
Width
1760-2007
1983-2194 mm
Height
1951
1654 mm
Wheelbase
2850
2895 mm
Ground Clearance
205
189-234 mm
Kerb Weight
2530
2220 DIN / 2295 EU Kg
Doors
5
5
Seats
5
4 (opt 5)
Load Volume
—
554-592-1502 l
Towing & Payload
Towing Capacity
3500
3500 Kg
Load Capacity
2250
655 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
—
✓ Standard
Stability Control
ESP
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
2
8 (opt 10)
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✗
✓ Standard
Curtain Airbags
✗
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
Optional
Adaptive Cruise Control
✓ Standard
Optional
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
—
Optional
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✗
✓ Standard
Sunroof
Optional
✓ Standard
Heated Seats
BOTH FRONT
✓ Standard
Electric Seat Adjustment
✓ Standard
—
Keyless Entry
✗
Optional
Tow Bar
—
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
24
2
Warranty Distance
—
unlimited Km
Service Plan
M
—
Service Intervals
15000
15000
The Verdict
Which Wins?
Overall Winner
Porsche Cayenne
3 / 4 categories
Performance
Cayenne
Fuel Economy
Cayenne
Value
G-GLASS
Practicality
Cayenne
Pros & Cons
MERCEDES G-GLASS
Lower starting price (R1 497 899)
Higher fuel consumption (14.9)
Porsche Cayenne
Better fuel economy (12.3 l/100km)
Quicker 0-100 km/h (4.4 ss)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the G-GLASS or Cayenne?
The G-GLASS uses 14.9 and the Cayenne uses 12.3 l/100km on the combined cycle. The Cayenne 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 G-GLASS or Cayenne?
The G-GLASS produces 258kW@6000 and 530Nm@2800 of torque while the Cayenne delivers 368 kW and 660 Nm of torque. They produce similar power outputs.
What is the price difference between the G-GLASS and Cayenne?
The G-GLASS starts from R1 497 899 and the Cayenne from R2 753 000. The G-GLASS is cheaper by R1 255 101 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the G-GLASS or Cayenne?
The G-GLASS has a braked towing capacity of 3500 and the Cayenne can tow 3500 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the G-GLASS or the Cayenne?
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.