MG ZT (2004)
Running costs, common problems, and reliability data based on 974 real MOT tests in 2024.
MOT Pass Rate
81%
Total Tests (2024)
974
Avg Mileage
81,859 mi
Est. Annual Cost
£1,577
Is the 2004 MG ZT reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MG brand average of 86%.
At 20 years old, 81% of MG ZTs from 2004 passed their MOT first time in 2024. That's based on 974 tests across the UK. The average mileage at this age is 81,859 miles.
How does the 2004 MG ZT compare?
Mileage Analysis
The average 2004 MG ZT has 81,859 miles on the clock, which is below the expected 148,000 miles for a 20-year-old car. This suggests lighter use than average, which generally means less wear on major components.
How much does a 2004 MG ZT cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MG ZT by Year
Checking a specific MG ZT?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2004 MG ZT
The 2004 MG ZT is a family car with a 1951cc diesel engine. 974 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 23% of all 2004 cars for reliability.
With an average of 81,859 miles at 20 years old, MG ZT owners tend to use this car less than the typical driver.
2004 MG ZT Fuel Costs
The 1951cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2004 MG ZT?
Total estimated annual running cost is £1,577 (£131/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% pass rate. Keeping on top of servicing will help avoid surprises.
MG ZT Reliability Trend
The MG ZT has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2004 MG ZT
At 20 years old, the MG ZT is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.
Alternatives to the 2004 MG ZT
The MG ZT is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2006) 72% pass rate (-9%) from 60,321 tests
- VAUXHALL ASTRA (2005) 69% pass rate (-12%) from 29,377 tests
- HONDA CIVIC (2006) 71% pass rate (-10%) from 28,045 tests
- AUDI A3 (2006) 73% pass rate (-8%) from 24,088 tests