Ford Mustang Mach 1 Auto (2021)

Estimated running costs and MOT pass rates from 126 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

98%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 35-50

5038cc Petrol

Great Choice

98% pass rate, £2,413/year to run. 16 points above average.

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Petrol5038cc5 years old126 tests15k miles avg

Annual Running Costs

Fuel (Petrol, 5038cc)

~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

98% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 16 points above the average of 82% across all models in our data. It also outperforms the Ford brand average of 85%.

98% of MOT tests on Ford Mustang Mach 1 Autos from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 126 tests across the UK, retests included. The average mileage recorded at those tests was 15,296 miles.

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How Does It Compare?

Rank among 2021 models210th of 3,336(top 7%)

Rank among Ford models46th of 1,136(top 5%)

vs average of all models+16%(82% avg)

vs 2021 models average+6%(92% avg)

vs Ford average+13%(85% avg)

Mileage Analysis

15,296

Average miles

22,200

Expected for age

The average 2021 Ford Mustang Mach 1 Auto had 15,296 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.

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Similar Cars to Consider

Jaguar F-Type

2019 · 5000cc Petrol

£2,413/year

95%

-3%

Land Rover Range Rover Sprt SVR Crbn Ed A

2021 · 4999cc Petrol

£2,413/year

96%

-2%

Aston Martin DBS

2019 · 5204cc Petrol

£2,413/year

97%

-1%

Toyota Land Cruiser

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About the 2021 Ford Mustang Mach 1 Auto

The 2021 Ford Mustang Mach 1 Auto is a large-engined car. Our records list a 5038cc petrol engine, though engines vary between versions. 126 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 7% of all 2021 models for MOT pass rate.

With an average of 15,296 miles recorded at its 2024 MOT tests, Ford Mustang Mach 1 Auto owners tend to use this car less than the typical driver.

2021 Ford Mustang Mach 1 Auto Fuel Costs

The 5038cc petrol engine is on the larger side, so fuel won't be this car's strong point. 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 Mach 1 Auto?

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 98% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 Ford Mustang Mach 1 Auto

At 5 years old, the Ford Mustang Mach 1 Auto 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.

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 Mach 1 Auto 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 Mach 1 Auto(2021)	98%	£1,958	£200	Grp 35-50	£2,413
Jaguar F-Type(2019)	95%	£1,958	£200	Grp 35-50	£2,413same
Land Rover Range Rover Sprt SVR Crbn Ed A(2021)	96%	£1,958	£200	Grp 35-50	£2,413same
Aston Martin DBS(2019)	97%	£1,958	£200	Grp 35-50	£2,413same
Toyota Land Cruiser(2019)	93%	£1,958	£200	Grp 35-50	£2,413same

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 Mach 1 Auto

Is the 2021 Ford Mustang Mach 1 Auto reliable?

Excellent reliability. Very few MOT failures. 98% of MOT tests on 2021 Ford Mustang Mach 1 Autos ended in a pass, from 126 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points above the average of 82% across all models in the same data.

How much does a 2021 Ford Mustang Mach 1 Auto 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 Mach 1 Auto?

98% of 126 MOT tests on the 2021 Ford Mustang Mach 1 Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 210th of 3,336 models first registered in 2021 (top 7%).

What is the average mileage for a 2021 Ford Mustang Mach 1 Auto?

The average mileage recorded at MOT tests on the 2021 Ford Mustang Mach 1 Auto is 15,296 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.