The 1.8-liter Rover 18K4F engine was produced at the company’s factories from 1995 to 2006 and was installed on almost all cars of the concern, including the Land Rover Freelander crossover. On most models, it developed from 115 to 120 hp, and on the MG F it was boosted to 135 hp.
K-series family: 11K4F, 14K2F, 14K4F, 16K4F, 18K4F, 18K4K, 18K4G.
Specifications
| Production years | 1995-2006 |
| Displacement, cc | 1796 |
| Fuel system | distributed injection |
| Power output, hp | 115 – 135 |
| Torque output, Nm | 160 – 165 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80 |
| Piston stroke, mm | 89.3 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| 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 25 2001) — city — highway — combined |
8.9 5.3 6.7 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 108 |
The engine was installed on:
- Rover 200 III (RF) in 1997 – 1999;
- Rover 25 I (RF) in 1999 – 2002;
- Rover 400 II (RT) in 1997 – 1999;
- Rover 45 I (RT) in 1999 – 2005;
- Rover 75 I (RJ) in 1998 – 2005;
- Rover Streetwise I (RF) in 2003 – 2005;
- MG F in 1995 – 2002;
- MG ZR in 2001 – 2005, ZS in 2001 – 2005, TF in 2002 – 2005, ZT in 2003 – 2005;
- Land Rover Freelander 1 (L314) in 1997 – 2006.
Disadvantages of the Rover 18K4F engine
- Most of all, the unit is afraid of overheating, here it often breaks through the gasket and leads the cylinder head;
- Also quite a lot of trouble is delivered by the vagaries of the MEMS fuel injection system;
- Once every 100,000 km, the timing belt needs to be replaced, or if it breaks, the valves will bend;
- Grease leaks constantly through the camshaft seals and valve cover.
Frequently asked questions about the Rover 18K4F
How much power does the Rover 18K4F make?
The Rover 18K4F develops 115 - 135 hp and 160 - 165 Nm of torque.
How much oil does the Rover 18K4F take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Rover 18K4F have a timing belt or chain?
The Rover 18K4F uses a timing belt.
Is the Rover 18K4F turbocharged?
No, the Rover 18K4F is naturally aspirated.
Does the Rover 18K4F need valve clearance adjustment?
No, the Rover 18K4F has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Rover 18K4F last?
The typical lifespan of the Rover 18K4F is ~300 000 km with proper maintenance.
What is the fuel consumption of the Rover 18K4F?
Rover 25 2001: city 8.9, highway 5.3, combined 6.7 L/100 km.
What cars was the Rover 18K4F installed on?
Rover 200 III (RF) in 1997 - 1999; Rover 25 I (RF) in 1999 - 2002; Rover 400 II (RT) in 1997 - 1999; Rover 45 I (RT) in 1999 - 2005; Rover 75 I (RJ) in 1998 - 2005; Rover Streetwise I (RF) in 2003 - 2005 and 3 more (see the full list above).
What are the common problems of the Rover 18K4F?
Most of all, the unit is afraid of overheating, here it often breaks through the gasket and leads the cylinder head. Also quite a lot of trouble is delivered by the vagaries of the MEMS fuel injection system. All known problems.
