VS
At a Glance
Power
280 kW
544 kW
Torque
537 Nm
950 Nm
Fuel
16.6 kWh/100km l/100km
2.5 l/100km
Towing
750 Kg
3000 Kg
0-100 km/h
4.6 s
3.7 s
Engine
electric cc
3996 cc
Choosing between the Lexus RZ and the Porsche Cayenne is one of the most common decisions South African car buyers face. The Lexus RZ delivers 280 kW while the Porsche Cayenne produces 544 kW. On fuel, the RZ returns 16.6 kWh/100km l/100km while the Cayenne uses 2.5 l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 682 600 for the RZ and R3 791 000 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
280 kW
544 kW
Torque
537 Nm
950 Nm
0-100 kph
4.6 s
3.7 s
Top Speed
180 Km/h
295 Km/h
Engine & Drivetrain
Engine Capacity
electric cc
3996 cc
Engine Layout
—
V
Cylinders
—
8
Fuel Type
electric
petrol-electric hybrid
Forced Induction Device
—
turbocharger
Transmission
automatic
automatic
Number of Gears
—
8
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Fuel Economy
Fuel Consumption Average
16.6 kWh/100km l/100km
2.5 l/100km
Fuel Tank Capacity
74.6 kWh l
70 l
CO2 Emissions
—
57 g/km
Dimensions
Length
4805 mm
4930 mm
Width
1895 mm
1983-2194 mm
Height
1635 mm
1685 mm
Wheelbase
2850 mm
2895 mm
Ground Clearance
200 mm
198-243 mm
Kerb Weight
2100 Kg
2570 DIN / 2645 EU Kg
Doors
5
5
Seats
5
5
Load Volume
522 l
539-621-1557 l
Towing & Payload
Towing Capacity
750 Kg
3000 Kg
Load Capacity
—
645 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
8
8 (opt 10)
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
Optional
Adaptive Cruise Control
✓ Standard
Optional
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
✓ Standard
Optional
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
—
Optional
Heated Seats
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
Optional
Tow Bar
—
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
7 vehicle / 8 battery
2 vehicle / 8 hybrid battery
Warranty Distance
105000 vehicle / 160000 battery Km
unlimited vehicle / 160000 hybrid batter
Service Intervals
15000
15000
The Verdict
Which Wins?
Overall Winner
Porsche Cayenne
3 / 4 categories
Performance
Cayenne
Fuel Economy
Cayenne
Value
RZ
Practicality
Cayenne
Pros & Cons
Lexus RZ
Lower starting price (R1 682 600)
Higher fuel consumption (16.6 kWh/100km l/100km)
Less power than rival (280 kW vs 544 kW)
Porsche Cayenne
More powerful engine (544 kW)
Better fuel economy (2.5 l/100km)
Higher towing capacity (3000 Kg)
Quicker 0-100 km/h (3.7 ss)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the RZ or Cayenne?
The RZ uses 16.6 kWh/100km l/100km and the Cayenne uses 2.5 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 RZ or Cayenne?
The RZ produces 280 kW and 537 Nm of torque while the Cayenne delivers 544 kW and 950 Nm of torque. The Cayenne is the more powerful option.
What is the price difference between the RZ and Cayenne?
The RZ starts from R1 682 600 and the Cayenne from R3 791 000. The RZ is cheaper by R2 108 400 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the RZ or Cayenne?
The RZ has a braked towing capacity of 750 Kg and the Cayenne can tow 3000 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the RZ 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.