How much does a 2018 MG ZS cost to run?

Estimated annual running cost is £1,737 (£145/month), including £1137 fuel, £195 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2018 MG ZS?

The 2018 MG ZS has a 84% MOT pass rate based on 8,982 tests in 2026. This ranks 559 out of 649 cars from 2018.

Which year MG ZS is most reliable?

The 2020 MG ZS has the highest MOT pass rate at 87%. The least reliable year is 2001 at 70%.

MG ZS (2018)

Q: Is the 2018 MG ZS reliable?

Good reliability. Occasional issues but generally solid. 84% of MG ZSs from 2018 passed their MOT first time in 2026, based on 8,982 tests. That's 2 points above the national average of 82%.

Q: What is the average mileage for a 2018 MG ZS?

The average mileage for a 2018 MG ZS is 41,978 miles, which is below the expected 59,200 miles for a 8-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 8,982 real MOT tests.

Annual Cost

£1,737

£145/month

MOT Pass Rate

84%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1500cc Petrol

Solid Option

84% pass rate, £1737/year to run. Close to the national average.

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Petrol1500cc8 years old8,982 tests42k miles avg

Annual Running Costs

Fuel (Petrol, 1500cc)

~42 mpg

£1,137

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

£350

Total per year£1,737

Per month£145/mo

Per week£33/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

84% MOT pass rate(Good)

0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 8 years old, 84% of MG ZSs from 2018 passed their MOT first time in 2026. That's based on 8,982 tests across the UK. The average mileage at this age is 41,978 miles.

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How Does It Compare?

Rank among 2018 cars559th of 649(top 86%)

Rank among MG models93th of 155(top 60%)

vs national average+2%(82% avg)

vs 2018 cars average-5%(89% avg)

vs MG average-2%(86% avg)

Mileage Analysis

41,978

Average miles

59,200

Expected for age

The average 2018 MG ZS has 41,978 miles on the clock, which is below the expected 59,200 miles for a 8-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2020 model with a 87% MOT pass rate, while the 2001 model has the lowest at 70%. The 2018 sits between the two at 84%.

MG ZS by Year

Year	Pass Rate	Tests	Avg Mileage
2021	83%	145	24,982 mi
2020	87%	7,930	27,667 mi
2019	86%	14,089	34,291 mi
2018	84%	8,982	41,978 mi
2017	84%	651	47,465 mi
2006	77%	102	80,223 mi
2005	78%	496	91,088 mi
2004	75%	644	89,991 mi
2003	72%	509	86,996 mi
2002	71%	463	94,493 mi
2001	70%	136	102,556 mi

Similar Cars to Consider

VAUXHALL CORSA

2016 · 1398cc Petrol

£1,572/year

81%

-3%

FORD FOCUS

2016 · 1596cc Petrol

£1,677/year

87%

+3%

NISSAN QASHQAI

2017 · 1200cc Petrol

£1,550/year

86%

+2%

VOLKSWAGEN POLO

2016 · 1198cc Petrol

£1,390/year

84%

same

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About the 2018 MG ZS

The 2018 MG ZS is a small family car with a 1500cc petrol engine. 8,982 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It sits in the bottom 86% of 2018 cars for MOT pass rates.

With an average of 41,978 miles at 8 years old, MG ZS owners tend to use this car less than the typical driver.

2018 MG ZS Fuel Costs

The 1500cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2018 MG ZS?

Total estimated annual running cost is £1,737 (£145/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

MG ZS Reliability Trend

Newer MG ZSs show better MOT pass rates than older ones, with an average improvement of 10 percentage points.

Buying a Used 2018 MG ZS

At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2020 model has the highest pass rate at 87%. With 8,982 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2018 MG ZS's fuel type, age, and engine size, these are the most likely problem areas to check.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2018 MG ZS stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MG ZS(2018)	84%	£1137	£195	Grp 12-25	£1737
VAUXHALL CORSA(2016)	81%	£1137	£30	Grp 8-20	£1572-£165
FORD FOCUS(2016)	87%	£1137	£135	Grp 12-25	£1677-£60
NISSAN QASHQAI(2017)	86%	£955	£190	Grp 5-15	£1550-£187
VOLKSWAGEN POLO(2016)	84%	£955	£30	Grp 5-15	£1390-£347

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.