Engine Rover 18K4G

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.

Engines of K-series: 11K4F, 14K2F, 14K4F, 16K4F, 18K4F, 18K4K, 18K4G.


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
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.

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