The 2.0-liter Rover 20T4G turbo engine was produced in the UK from 1991 to 1999 and was installed on charged versions of the concern’s popular models with an index of 200, 400, 600 and 800. Engineers had to limit the torque of this engine due to the weak PG1 gearbox.
Engines of M/T-series: 20T4H, 20M4F, 20T4G.
Specifications
| Production years | 1991-1999 |
| Displacement, cc | 1994 |
| Fuel system | distributed injection |
| Power output, hp | 180 – 200 |
| Torque output, Nm | 216 – 237 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84.45 |
| Piston stroke, mm | 88.9 |
| Compression ratio | 8.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | Garrett TB2555 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.9 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Rover 620 Ti Vitesse 1996) — city — highway — combined |
12.3 8.1 9.7 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 155.1 |
The engine was installed on:
- Rover 200 II (XW) in 1993 – 1995;
- Rover 400 I (XW) in 1993 – 1995;
- Rover 600 I (RH) in 1994 – 1999;
- Rover 800 I (XS) in 1992 – 1999.
Disadvantages of the Rover 20T4G engine
- This turbo engine is very afraid of overheating and the cylinder head gasket breaks here regularly;
- Oil leaks from seals and camshaft seals are also common;
- A lot of problems for the owner are thrown by the capricious MEMS fuel injection system;
- The turbine is not very reliable, its hot part often cracks;
- According to the regulations, the timing belt is changed every 100,000 km, or if it breaks, the valves will bend.
