How much does a 2020 MG ZS cost to run?

Estimated annual running cost is £1,555 (£130/month), including £955 fuel, £195 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2020 MG ZS?

The 2020 MG ZS has a 87% MOT pass rate based on 7,930 tests in 2026. This ranks 2213 out of 2596 cars from 2020.

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 (2020)

Q: Is the 2020 MG ZS reliable?

Good reliability. Occasional issues but generally solid. 87% of MG ZSs from 2020 passed their MOT first time in 2026, based on 7,930 tests. That's 5 points above the national average of 82%.

Q: What is the average mileage for a 2020 MG ZS?

The average mileage for a 2020 MG ZS is 27,667 miles, which is below the expected 44,400 miles for a 6-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 7,930 real MOT tests.

Annual Cost

£1,555

£130/month

MOT Pass Rate

87%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 1-8

999cc Petrol

Solid Option

87% pass rate, £1555/year to run. 5 points above average.

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Petrol999cc6 years old7,930 tests28k miles avg

Annual Running Costs

Fuel (Petrol, 999cc)

~50 mpg

£955

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

£350

Total per year£1,555

Per month£130/mo

Per week£30/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

87% 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 6 years old, 87% of MG ZSs from 2020 passed their MOT first time in 2026. That's based on 7,930 tests across the UK. The average mileage at this age is 27,667 miles.

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How Does It Compare?

Rank among 2020 cars2213th of 2,596(top 85%)

Rank among MG models84th of 155(top 54%)

vs national average+5%(82% avg)

vs 2020 cars average-5%(92% avg)

vs MG average+1%(86% avg)

Mileage Analysis

27,667

Average miles

44,400

Expected for age

The average 2020 MG ZS has 27,667 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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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

FORD FIESTA

2018 · 998cc Petrol

£1,400/year

90%

+3%

VOLKSWAGEN GOLF

2019 · 1498cc Petrol

£1,582/year

92%

+5%

VAUXHALL CORSA

2018 · 1398cc Petrol

£1,732/year

85%

-2%

NISSAN QASHQAI

2018 · 1200cc Petrol

£1,550/year

87%

same

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About the 2020 MG ZS

The 2020 MG ZS is a city car with a 999cc petrol engine. 7,930 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It sits in the bottom 85% of 2020 cars for MOT pass rates.

With an average of 27,667 miles at 6 years old, MG ZS owners tend to use this car less than the typical driver.

2020 MG ZS Fuel Costs

The modest 999cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2020 MG ZS?

Total estimated annual running cost is £1,555 (£130/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% 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 2020 MG ZS

At 6 years old, the MG ZS offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. With 7,930 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2020 MG ZS's fuel type, age, and engine size, these are the most likely problem areas to check.

Coil Pack Failure

Medium risk

Smaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.

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 2020 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(2020)	87%	£955	£195	Grp 1-8	£1555
FORD FIESTA(2018)	90%	£955	£190	Grp 1-8	£1400-£155
VOLKSWAGEN GOLF(2019)	92%	£1137	£190	Grp 12-25	£1582+£27
VAUXHALL CORSA(2018)	85%	£1137	£190	Grp 8-20	£1732+£177
NISSAN QASHQAI(2018)	87%	£955	£190	Grp 5-15	£1550-£5

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.