MINI One (2020)

Estimated running costs and MOT pass rates from 1,884 MOT tests in 2024.

Annual Cost

£1,853

£154/month

MOT Pass Rate

94%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 12-25

1499cc Petrol

Great Choice

94% pass rate, £1,853/year to run. 12 points above average.

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Petrol1499cc6 years old1,884 tests25k miles avg

Annual Running Costs

Fuel (Petrol, 1499cc)

~42 mpg

£1,398

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,853

Per month£154/mo

Per week£36/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

94% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 12 points above the average of 82% across all models in our data. It also outperforms the MINI brand average of 84%.

94% of MOT tests on MINI Ones from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 1,884 tests across the UK, retests included. The average mileage recorded at those tests was 24,926 miles.

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How Does It Compare?

Rank among 2020 models671st of 2,554(top half)

Rank among MINI models24th of 335(top 8%)

vs average of all models+12%(82% avg)

vs 2020 models average+2%(92% avg)

vs MINI average+10%(84% avg)

Mileage Analysis

24,926

Average miles

29,600

Expected for age

The average 2020 MINI One had 24,926 miles on the clock at its 2024 MOT, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.

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MINI One by Year

Year	Pass Rate	Tests	Avg Mileage
2022	94%	138	20,160 mi
2021	93%	2,356	21,212 mi
2020	94%	1,884	24,926 mi
2019	91%	2,504	31,716 mi
2018	92%	2,625	35,237 mi
2017	91%	9,126	44,787 mi
2016	90%	14,249	52,236 mi
2015	89%	18,016	58,665 mi
2014	88%	11,021	66,312 mi
2013	84%	11,674	69,388 mi
2012	84%	6,640	73,564 mi
2011	79%	1,416	81,305 mi
2010	79%	844	83,055 mi
2009	71%	624	81,764 mi
2008	69%	659	90,766 mi
2007	68%	587	85,270 mi
2006	74%	382	98,556 mi
2005	72%	436	97,952 mi
2004	68%	348	101,925 mi
2003	67%	232	104,829 mi
2002	72%	109	113,107 mi

Similar Cars to Consider

Volkswagen Golf

2019 · 1498cc Petrol

£1,853/year

92%

-2%

Vauxhall Corsa

2018 · 1398cc Petrol

£2,003/year

85%

-9%

Nissan Qashqai

2018 · 1200cc Petrol

£1,780/year

87%

-7%

Ford Kuga

2018 · 1499cc Petrol

£1,853/year

90%

-4%

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About the 2020 MINI One

The 2020 MINI One is a small family car. Our records list a 1499cc petrol engine, though engines vary between versions. 1,884 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 24,926 miles recorded at its 2024 MOT tests, MINI One owners drive about as much as the UK average.

2020 MINI One Fuel Costs

The 1499cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,398 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2020 MINI One?

Total estimated annual running cost is £1,853 (£154/month), broken down as £1,398 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

MINI One Reliability Trend

Newer MINI Ones pass their MOT more often than older ones, by 18 percentage points on average, which is mostly down to age and wear.

Buying a Used 2020 MINI One

At 6 years old, the MINI One offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

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 MINI One stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
MINI One(2020)	94%	£1,398	£200	Grp 12-25	£1,853
Volkswagen Golf(2019)	92%	£1,398	£200	Grp 12-25	£1,853same
Vauxhall Corsa(2018)	85%	£1,398	£200	Grp 8-20	£2,003+£150
Nissan Qashqai(2018)	87%	£1,175	£200	Grp 5-15	£1,780-£73
Ford Kuga(2018)	90%	£1,398	£200	Grp 12-25	£1,853same

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2020 MINI One

Is the 2020 MINI One reliable?

Excellent reliability. Very few MOT failures. 94% of MOT tests on 2020 MINI Ones ended in a pass, from 1,884 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data.

How much does a 2020 MINI One cost to run?

Our estimate is £1,853 a year (£154 a month): £1,398 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2020 MINI One?

94% of 1,884 MOT tests on the 2020 MINI One ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 671st of 2,554 models first registered in 2020 (top half).

Which year MINI One has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 MINI One has the highest MOT pass rate at 94% and the 2003 the lowest at 67%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2020 MINI One?

The average mileage recorded at MOT tests on the 2020 MINI One is 24,926 miles, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.