Reliability Guide

Common Problems with the
2001–2002 MG ZR

We've identified 4 known issues that can affect the 2001–2002 MG ZR. 1 of these are serious faults that could be expensive to repair.

4
Known Issues
1
Serious
3
Moderate
0
Minor

All Known Issues

K-Series Head Gasket Failure (HGF)

SeriousEngine

The K-Series engine is prone to head gasket failure due to its small coolant capacity and plastic locating dowels that allow the head to shift.

Est. Repair Cost: £500–£800

Worn Front Suspension

ModerateSuspension & Chassis

The front suspension bushes and ball joints wear out, leading to vague steering, knocking noises, and poor handling. This is a common MOT failure point and can be exacerbated by hard driving.

Est. Repair Cost: £100–£300

Coil Pack Failure

ModerateEngine

The ignition coil pack is known for failing on the ZR, causing misfires, rough running, and difficulty starting.

Est. Repair Cost: £50–£150

Door Lock Failure

ModerateElectrics & Electronics

The door lock actuators, particularly on the driver's door, are known to fail, making it difficult to lock or unlock the car.

Est. Repair Cost: £80–£200

Buying Tips for 2001–2002 MG ZR

  • Open the oil cap and look for "mayonnaise" (oil/water mix), a classic sign of head gasket failure.
  • Check the carpets for dampness, as the sunroof and tailgates are prone to leaks.
  • Ensure the timing belt has been changed every 4 years or 60,000 miles.