UK Reliability Directory

MG Rover Rover 75 / MG ZT

Production Years: 1999 - 20055 Documented Faults

The Rover 75 and its sportier sibling, the MG ZT, are widely considered the final masterpieces of the British volume car industry. Launched under BMW ownership, these cars combined exceptional build quality with a unique "gentleman’s club" interior that established them as incredibly comfortable executive cruisers. While the Rover focused on traditional luxury, the MG ZT featured a sharp-handling chassis that proved British engineers could still compete dynamically. Reliability is a mixed bag; the K-Series 1.8 engines are prone to head gasket failure, but the BMW-sourced 2.0-litre diesel is exceptionally durable. They suit classic car enthusiasts who want a supremely comfortable, appreciating piece of British motoring history.

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Common Faults & Reliability

These are the most common documented problems for the MG Rover Rover 75 / MG ZT, sorted by their typical impact and frequency.

ECU Flooding

high severity

Water enters the engine ECU due to blocked plenum drains.

Est. repair cost:£400–£800

Clutch Slave Cylinder

high severity

Concentric slave cylinder inside the gearbox can leak, requiring gearbox removal.

Est. repair cost:£600–£900

KV6 VIS Motor Failure

medium severity

The Variable Intake System motors on the 2.0 and 2.5 V6 engines fail, causing loss of power and a rattling manifold.

Est. repair cost:£150–£400
View All 5 Documented Issues

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