Ford Mustang (2021)

Estimated running costs and MOT pass rates from 923 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

91%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 25-38

2261cc Petrol

Great Choice

91% pass rate, £2,413/year to run. 9 points above average.

Buying this car? Check for finance, write-offs & theft

£4.99

Check a specific Ford Mustang

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

Petrol2261cc5 years old923 tests16k miles avg

Annual Running Costs

Fuel (Petrol, 2261cc)

~30 mpg

£1,958

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,413

Per month£201/mo

Per week£46/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

91% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 9 points above the average of 82% across all models in our data. It also outperforms the Ford brand average of 85%.

91% of MOT tests on Ford Mustangs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 923 tests across the UK, retests included. The average mileage recorded at those tests was 15,949 miles.

Got a Ford Mustang you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

How Does It Compare?

Rank among 2021 models2182nd of 3,336(bottom half)

Rank among Ford models394th of 1,136(top half)

vs average of all models+9%(82% avg)

vs 2021 models average-1%(92% avg)

vs Ford average+6%(85% avg)

Mileage Analysis

15,949

Average miles

22,200

Expected for age

The average 2021 Ford Mustang had 15,949 miles on the clock at its 2024 MOT, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Looking at a specific Ford Mustang?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

Best Year to Buy?

Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 92%, while the 2000 model has the lowest at 76%. The 2021 scores 91%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Ford Mustang by Year

Year	Pass Rate	Tests	Avg Mileage
2022	96%	54	13,235 mi
2021	91%	923	15,949 mi
2020	92%	2,330	18,792 mi
2019	89%	3,200	23,848 mi
2018	90%	5,727	30,511 mi
2017	90%	5,161	33,418 mi
2016	88%	6,644	36,878 mi
2015	88%	797	42,568 mi
2014	90%	193	54,631 mi
2013	90%	223	53,084 mi
2012	88%	250	63,500 mi
2011	82%	199	70,044 mi
2010	86%	242	71,217 mi
2009	88%	260	65,602 mi
2008	88%	463	57,208 mi
2007	87%	628	66,137 mi
2006	86%	651	73,935 mi
2005	88%	677	72,553 mi
2004	82%	147	59,270 mi
2003	85%	95	81,097 mi
2002	92%	75	77,428 mi
2001	85%	88	67,827 mi
2000	76%	128	75,538 mi
1999	88%	101	85,621 mi
1998	90%	70	115,083 mi
1997	84%	125	77,032 mi
1996	84%	170	96,301 mi
1995	84%	137	92,168 mi
1994	84%	124	84,772 mi
1991	98%	48	73,234 mi

Similar Cars to Consider

Mercedes A

2021 · 1991cc Petrol

£2,086/year

94%

+3%

Volvo XC40

2020 · 2000cc Petrol

£2,086/year

93%

+2%

Ford Ranger

2021 · 2400cc Petrol

£2,413/year

90%

-1%

Jaguar F-Pace

2019 · 1997cc Petrol

£2,086/year

91%

same

Check a Specific Ford Mustang

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

About the 2021 Ford Mustang

The 2021 Ford Mustang is a large car. Our records list a 2261cc petrol engine, though engines vary between versions. 923 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 15,949 miles recorded at its 2024 MOT tests, Ford Mustang owners tend to use this car less than the typical driver.

2021 Ford Mustang Fuel Costs

The 2261cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 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 2021 Ford Mustang?

Total estimated annual running cost is £2,413 (£201/month), broken down as £1,958 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Ford Mustang Reliability Trend

Newer Ford Mustangs pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Buying a Used 2021 Ford Mustang

At 5 years old, the Ford Mustang offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2020 model has the highest pass rate at 92%.

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.

Oil Consumption

Low risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

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 2021 Ford Mustang 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
Ford Mustang(2021)	91%	£1,958	£200	Grp 25-38	£2,413
Mercedes A(2021)	94%	£1,631	£200	Grp 18-32	£2,086-£327
Volvo XC40(2020)	93%	£1,631	£200	Grp 18-32	£2,086-£327
Ford Ranger(2021)	90%	£1,958	£200	Grp 25-38	£2,413same
Jaguar F-Pace(2019)	91%	£1,631	£200	Grp 18-32	£2,086-£327

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 2021 Ford Mustang

Is the 2021 Ford Mustang reliable?

Excellent reliability. Very few MOT failures. 91% of MOT tests on 2021 Ford Mustangs ended in a pass, from 923 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data.

How much does a 2021 Ford Mustang cost to run?

Our estimate is £2,413 a year (£201 a month): £1,958 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 2021 Ford Mustang?

91% of 923 MOT tests on the 2021 Ford Mustang ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2182nd of 3,336 models first registered in 2021 (bottom half).

Which year Ford Mustang has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Ford Mustang has the highest MOT pass rate at 92% and the 2000 the lowest at 76%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2021 Ford Mustang?

The average mileage recorded at MOT tests on the 2021 Ford Mustang is 15,949 miles, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.