At a Glance
Power
183kW@6000
313 kW
Torque
317Nm@4800
537 Nm
Fuel
6.3L/100km
19.7 kWh/100km l/100km
Towing
2000kg
-
0-100 km/h
7.8s
4.4 s
Engine
3456cc
electric cc
Choosing between the Lexus RX and the Lexus RZ is one of the most common decisions car buyers in South Africa face. The Lexus RX delivers 183kW@6000 while the Lexus RZ produces 313 kW. On fuel, the RX returns 6.3L/100km while the RZ uses 19.7 kWh/100km l/100km — important in a market where fuel prices change monthly. Pricing starts at R808 500 for the RX and R2 628 500 for the RZ. 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
183kW@6000
313 kW
Torque
317Nm@4800
537 Nm
0-100 kph
7.8s
4.4 s
Top Speed
200km/h
180 Km/h
Engine & Drivetrain
Engine Capacity
3456cc
electric cc
Engine Layout
LONGITUDINAL V 6
—
Cylinders
6
—
Fuel Type
UNLEADED
electric
Transmission
AUTOMATIC
automatic
Number of Gears
-
-
Drive Wheels
ALL
all
Full Time 4x4
✓ Standard
✓ Standard
Low Range
✗
—
Fuel Economy
Fuel Consumption Average
6.3L/100km
19.7 kWh/100km l/100km
Fuel Consumption Urban
6.6L/100km
—
Fuel Consumption Highway
6L/100km
—
Fuel Tank Capacity
65L
76.9 kWh l
CO2 Emissions
148g/km
-
Dimensions
Length
4770mm
4860 mm
Width
1885mm
1965 mm
Height
1720mm
1615 mm
Wheelbase
2740mm
2850 mm
Ground Clearance
175mm
185 mm
Kerb Weight
-
2150 / 2165 Kg
Doors
5
5
Seats
5
5
Load Volume
—
522 l
Towing & Payload
Towing Capacity
2000kg
-
Load Capacity
-
—
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
—
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
8
8
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
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
—
✓ Standard
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✗
✓ Standard
Electric Seat Adjustment
✓ Standard
—
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
48
7 vehicle / 8 battery
Warranty Distance
100000km
105000 vehicle / 160000 battery Km
Service Plan
M
—
Service Intervals
15000
15000
The Verdict
Which Wins?
Overall Winner
Lexus RX
3 / 4 categories
Performance
RZ
Fuel Economy
RX
Value
RX
Practicality
RX
Pros & Cons
Lexus RX
Better fuel economy (6.3L/100km)
Lower starting price (R808 500)
Higher towing capacity (2000kg)
Few notable weaknesses
Lexus RZ
Quicker 0-100 km/h (4.4 ss)
Higher fuel consumption (19.7 kWh/100km l/100km)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the RX or RZ?
The RX uses 6.3L/100km and the RZ uses 19.7 kWh/100km l/100km on the combined cycle. The RX 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 RX or RZ?
The RX produces 183kW@6000 and 317Nm@4800 of torque while the RZ delivers 313 kW and 537 Nm of torque. The RZ is the more powerful option.
What is the price difference between the RX and RZ?
The RX starts from R808 500 and the RZ from R2 628 500. The RX is cheaper by R1 820 000 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the RX or RZ?
The RX has a braked towing capacity of 2000kg and the RZ can tow 0 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the RX or the RZ?
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.