The 1.8-liter turbo engine Rover 18K4G or Rover 75 1.8 turbo was produced from 2002 to 2005 and was installed only on the 75 model and similar sedan and wagon produced under the MG brand. This power unit exists in a single modification with a capacity of 150 hp and 215 Nm.
K-series family: 11K4F, 14K2F, 14K4F, 16K4F, 18K4F, 18K4K, 18K4G.
Specifications
| Production years | 2002-2005 |
| Displacement, cc | 1796 |
| Fuel system | distributed injection |
| Power output, hp | 150 |
| Torque output, Nm | 215 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80 |
| Piston stroke, mm | 89.3 |
| Compression ratio | 9.2 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | Garrett GT2052LS |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Rover 75 2005) — city — highway — combined |
11.3 6.1 8.0 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 112 |
The engine was installed on:
- Rover 75 I (RJ) in 2002 – 2005;
- MG ZT in 2003 – 2005.
Disadvantages of the Rover 18K4G engine
- This power unit is very afraid of overheating and then regularly breaks through the gasket;
- With severe overheating, the cylinder head often leads, and sometimes it completely cracks;
- Follow the belt replacement schedule at 100,000 km or the valves will bend if it breaks;
- Often there are oil leaks from the camshaft seals and from under the valve cover;
- The unit supports, ignition coils and turbine are distinguished by a low resource.
Frequently asked questions about the Rover 18K4G
How much power does the Rover 18K4G make?
The Rover 18K4G develops 150 hp and 215 Nm of torque.
How much oil does the Rover 18K4G take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Rover 18K4G have a timing belt or chain?
The Rover 18K4G uses a timing belt.
Is the Rover 18K4G turbocharged?
Yes, the Rover 18K4G is turbocharged (Garrett GT2052LS).
Does the Rover 18K4G need valve clearance adjustment?
No, the Rover 18K4G has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Rover 18K4G last?
The typical lifespan of the Rover 18K4G is ~220 000 km with proper maintenance.
What is the fuel consumption of the Rover 18K4G?
Rover 75 2005: city 11.3, highway 6.1, combined 8.0 L/100 km.
What cars was the Rover 18K4G installed on?
Rover 75 I (RJ) in 2002 - 2005; MG ZT in 2003 - 2005.
What are the common problems of the Rover 18K4G?
This power unit is very afraid of overheating and then regularly breaks through the gasket. With severe overheating, the cylinder head often leads, and sometimes it completely cracks. All known problems.





