UK Reliability Directory

MG ZT / ZT-T

Production Years: 2001 - 20055 Documented Faults

Based on the Rover 75, the ZT offered a more aggressive look and firmer handling. The CDTi diesel (BMW engine) is the pick for reliability.

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Common Faults & Reliability

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

ECU Flooding (Blocked Drains)

high severity

The plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.

Est. repair cost:£400–£800

Front Coil Spring Breakage

medium severity

The front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.

Est. repair cost:£100–£250

K-Series Head Gasket Failure (1.8 Petrol)

high severity

The 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.

Est. repair cost:£500–£800
View All 5 Documented Issues

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