Is the 2005 MG ZR reliable?

Average reliability. Expect some repairs as it ages. 78% of MG ZRs from 2005 passed their MOT first time in 2026, based on 784 tests. That's 4 points below the national average of 82%.

How much does a 2005 MG ZR cost to run?

Estimated annual running cost is £2,197 (£183/month), including £1327 fuel, £315 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 2005 MG ZR?

The 2005 MG ZR has a 78% MOT pass rate based on 784 tests in 2026. This ranks 175 out of 526 cars from 2005.

Which year MG ZR is most reliable?

The 2005 MG ZR has the highest MOT pass rate at 78%. The least reliable year is 2003 at 74%.

MG ZR (2005)

Q: What is the average mileage for a 2005 MG ZR?

The average mileage for a 2005 MG ZR is 81,869 miles, which is below the expected 155,400 miles for a 21-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 784 real MOT tests.

Annual Cost

£2,197

£183/month

MOT Pass Rate

78%

Average

Road Tax

£315

Based on CC/year

Insurance

Grp 18-32

1796cc Petrol

Check Carefully

78% pass rate, £2197/year to run. Close to the national average.

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Petrol1796cc21 years old784 tests82k miles avg

Annual Running Costs

Fuel (Petrol, 1796cc)

~36 mpg

£1,327

Road Tax

Based on 1796cc

£315

MOT Test

£55

Predicted Repairs

£500

Total per year£2,197

Per month£183/mo

Per week£42/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

78% MOT pass rate(Average)

0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MG brand average of 86%.

At 21 years old, 78% of MG ZRs from 2005 passed their MOT first time in 2026. That's based on 784 tests across the UK. The average mileage at this age is 81,869 miles.

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How Does It Compare?

Rank among 2005 cars175th of 526(top 33%)

Rank among MG models117th of 155(top 75%)

vs national average-4%(82% avg)

vs 2005 cars average+6%(72% avg)

vs MG average-8%(86% avg)

Mileage Analysis

81,869

Average miles

155,400

Expected for age

The average 2005 MG ZR has 81,869 miles on the clock, which is below the expected 155,400 miles for a 21-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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MG ZR by Year

Year	Pass Rate	Tests	Avg Mileage
2006	76%	94	86,716 mi
2005	78%	784	81,869 mi
2004	74%	1,170	83,591 mi
2003	74%	902	87,431 mi
2002	78%	520	83,390 mi
2001	75%	158	88,751 mi

Similar Cars to Consider

FORD FOCUS

2007 · 1596cc Petrol

£1,827/year

73%

-5%

BMW 3 SERIES

2007 · 1796cc Petrol

£1,867/year

80%

+2%

MINI MINI

2007 · 1598cc Petrol

£1,827/year

73%

-5%

RENAULT CLIO

2007 · 1998cc Petrol

£2,217/year

68%

-10%

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About the 2005 MG ZR

The 2005 MG ZR is a family car with a 1796cc petrol engine. 784 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2005, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 81,869 miles at 21 years old, MG ZR owners tend to use this car less than the typical driver.

2005 MG ZR Fuel Costs

The 1796cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2005 MG ZR?

Total estimated annual running cost is £2,197 (£183/month), broken down as £1327 fuel, £315 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.

MG ZR Reliability Trend

The MG ZR has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.

Buying a Used 2005 MG ZR

At 21 years old, the MG ZR 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.

Common Issues to Watch For

Based on the 2005 MG ZR's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 21 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Medium risk

With an average of 82k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2005 MG ZR stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MG ZR(2005)	78%	£1327	£315	Grp 18-32	£2197
FORD FOCUS(2007)	73%	£1137	£135	Grp 12-25	£1827-£370
BMW 3 SERIES(2007)	80%	£1327	£135	Grp 18-32	£1867-£330
MINI MINI(2007)	73%	£1137	£135	Grp 12-25	£1827-£370
RENAULT CLIO(2007)	68%	£1327	£135	Grp 18-32	£2217+£20

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.