The Lexus RX 450h is a five-door hybrid SUV, and its variable transmission is the part most worth understanding, since it changes how engine speed behaves under acceleration.
4 generation, restyling · SUV 5-doors
Generation photo. Individual trim appearance may differ.
The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry
200 km/h
Engine type
Hybrid
Transmission
Variable
Type of boost?
A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry
No
Type of drive?
Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry
AWD
Bore and stroke?
The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry
94 × 83 mm
Engine capacity?
The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry
3456 cm³
Engine location
Front, transverse
Number of gears?
How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry
Not provided
Maximum power?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
313 hp
Maximum power, kw?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
230 kW
Compression ratio?
The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry
13
Maximum power rpm
6000 rpm
Maximum torque N⋅m
342 N⋅m
Maximum torque rpm
4600 rpm
Acceleration to 100?
The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry
7.7 s
Engine power system
Combined injection (direct-distributed)
Number of cylinders
6
Valves per cylinder?
The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry
4
Cylinder arrangement
V-shaped
Maximum power ICE
262 hp
Maximum power ICE
192 kW
Energy & emissions
ECO class
Not provided
Battery power
Not provided
Fuel grade
95
Mild Hybrid?
A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry
Not provided
Battery type
Not provided
CO2 emissions?
The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry
180 g/km
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
65 l
Full public charging time
Not provided
Driving range, maximum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Driving range, minimum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Fuel consumption city
7.8 l
Average consumption
6.8 l
Fuel consumption highway
6.2 l
Dimensions & body
Doors number
5
Number of seats
5
Width
1895 mm
Height
1690 mm
Length
4890 mm
Body type
SUV 5-doors
Wheelbase?
The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry
2790 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
SUV
Rear track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1630 mm
Trunk volume max
Not provided
Trunk volume min
432 l
Front track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1640 mm
Max weight
2715 kg
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
2100 kg
Ground clearance, maximum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Ground clearance, minimum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
200 mm
Identity & configuration
Body code
AL20
Vehicle class
J
Body designation
GYL20W, GYL25W
Right-hand drive
No
Additional specifications
Stop
2023-01-31
Start
2019-01-01
Wheel size
Not provided
Rear brakes
Ventilated disc
Front brakes
Ventilated disc
Rear suspension
Independent, spring
Front suspension
Independent, spring
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Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.
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Engine and Transmission
A variable transmission has no fixed steps, so it sweeps ratios continuously. Engine speed can settle at an efficient point and hold there while road speed climbs, rather than rising and falling with each shift as in a stepped gearbox.
Drivetrain and Everyday Driving
All-wheel drive shares torque between both axles, but every bit of it still reaches the road through four contact patches. On ice or loose gravel those patches set the limit, so moving away depends on tyre grip and condition regardless of how many wheels are driven.
Body and Practicality
The five-door SUV body has a fixed outline, but the doors and tailgate swing beyond it. Judging a parking space by the parked shape alone can leave too little clearance to open a rear door or raise the tailgate fully.
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