Description
The Toyota 1RZ is a 1,998 cc (2.0-liter) naturally aspirated petrol/gasoline inline-4 engine from Toyota’s RZ engine family. It was developed primarily for Toyota commercial vehicles, especially the HiAce, and is known for its relatively simple, durable construction.
Output depends on the exact version and market.
A commonly referenced 1RZ specification produces approximately:
- Maximum power: around 100–110 hp
- Maximum torque: approximately 160 Nm
- Naturally aspirated
- Carbureted
The 1RZ was designed more for reliability and low-speed pulling power than high-performance driving.
| Feature | 1RZ | 1RZ-E |
|---|---|---|
| Displacement | 1,998 cc | 1,998 cc |
| Cylinders | 4 | 4 |
| Valves | 8 | 8 |
| SOHC | Yes | Yes |
| Fuel system | Carburetor | EFI |
| Turbo | No | No |
| VVT-i | No | No |
| Timing | Chain | Chain |
The Toyota 1RZ 2.0L is a 1,998 cc naturally aspirated 4-cylinder petrol engine designed mainly for Toyota commercial vehicles. It uses an 86 × 86 mm bore/stroke, SOHC 8-valve cylinder head, carburetor, cast-iron block and timing chain. It is a simple, low-stress engine intended more for durability and practical commercial use than high performance.
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