The ARZ engine is a 1.8L Turbocharged 20-valve petrol engine from the Volkswagen Audi Group (VAG), part of the famous EA113 engine family. It’s closely related to other 1.8T variants like AUM, AUQ, AGU, and AWT, and was widely used in early 2000s VW, Audi, and SEAT models.
🔧 ARZ 1.8T Engine Overview
| Spec | Detail |
|---|---|
| Engine Code | ARZ |
| Displacement | 1781cc (1.8L) |
| Cylinders / Valves | Inline-4, 20 valves (5 per cylinder) |
| Aspiration | Turbocharged (K03) |
| Fuel System | Electronic Fuel Injection (Bosch Motronic ME7.5) |
| Compression Ratio | 9.5:1 |
| Turbocharger | BorgWarner K03-052 |
| Power Output | 110 kW (150 hp) @ 5700 rpm |
| Torque | 210 Nm @ 1750–4600 rpm |
| Emissions | Euro 3 |
| Timing | Belt-driven with tensioners |
| Fuel | 95 Unleaded |
| Years Produced | ~1999–2003 |
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