Ford Mustang Mach-E Ext Range RWD (2021)

Estimated running costs and MOT pass rates from 791 MOT tests in 2024.

Annual Cost

£1,010

£84/month

MOT Pass Rate

92%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

n/a

Electric

Great Choice

92% pass rate, £1,010/year to run. 10 points above average.

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Electric5 years old791 tests34k miles avg

Annual Running Costs

Electricity

Home charging at about 7.5p a mile

£555

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,010

Per month£84/mo

Per week£19/wk

Estimates based on 7,400 miles/year (UK average), home charging at about 7.5p a mile, 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

92% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 10 points above the average of 82% across all models in our data. It also outperforms the Ford brand average of 85%.

92% of MOT tests on Ford Mustang Mach-E Ext Range RWDs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 791 tests across the UK, retests included. The average mileage recorded at those tests was 33,749 miles.

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How Does It Compare?

Rank among 2021 models1900th of 3,336(bottom half)

Rank among Ford models344th of 1,136(top half)

vs average of all models+10%(82% avg)

vs 2021 models average+0%(92% avg)

vs Ford average+7%(85% avg)

Mileage Analysis

33,749

Average miles

22,200

Expected for age

The average 2021 Ford Mustang Mach-E Ext Range RWD had 33,749 miles on the clock at its 2024 MOT, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.

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Ford Mustang Mach-E Ext Range RWD by Year

Year	Pass Rate	Tests	Avg Mileage
2022	96%	112	32,491 mi
2021	92%	791	33,749 mi

Similar Cars to Consider

Tesla Model 3 Long Range Awd

2021 · Electric

£1,160/year

88%

-4%

Jaguar I-Pace

2020 · Electric

£1,010/year

96%

+4%

Tesla Model 3 Standard Range +

2021 · Electric

£1,160/year

88%

-4%

Nissan Leaf

2021 · Electric

£1,010/year

94%

+2%

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About the 2021 Ford Mustang Mach-E Ext Range RWD

The 2021 Ford Mustang Mach-E Ext Range RWD is an electric car. Our records list it as electric. 791 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 matches that benchmark.

With an average of 33,749 miles recorded at its 2024 MOT tests, Ford Mustang Mach-E Ext Range RWD owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

What does it cost to own a 2021 Ford Mustang Mach-E Ext Range RWD?

Total estimated annual running cost is £1,010 (£84/month), broken down as £555 electricity, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 Ford Mustang Mach-E Ext Range RWD

At 5 years old, the Ford Mustang Mach-E Ext Range RWD 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.

Battery Degradation

Medium risk

After 5 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.

Charging Port

Medium risk

Charging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.

Software Updates

Medium risk

Older EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.

12V Auxiliary Battery

Medium risk

EVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.

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-E Ext Range RWD 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-E Ext Range RWD(2021)	92%	£555	£200	n/a	£1,010
Tesla Model 3 Long Range Awd(2021)	88%	£555	£200	n/a	£1,160+£150
Jaguar I-Pace(2020)	96%	£555	£200	n/a	£1,010same
Tesla Model 3 Standard Range +(2021)	88%	£555	£200	n/a	£1,160+£150
Nissan Leaf(2021)	94%	£555	£200	n/a	£1,010same

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-E Ext Range RWD

Is the 2021 Ford Mustang Mach-E Ext Range RWD reliable?

Excellent reliability. Very few MOT failures. 92% of MOT tests on 2021 Ford Mustang Mach-E Ext Range RWDs ended in a pass, from 791 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data.

How much does a 2021 Ford Mustang Mach-E Ext Range RWD cost to run?

Our estimate is £1,010 a year (£84 a month): £555 electricity, £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-E Ext Range RWD?

92% of 791 MOT tests on the 2021 Ford Mustang Mach-E Ext Range RWD ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1900th of 3,336 models first registered in 2021 (bottom half).

What is the average mileage for a 2021 Ford Mustang Mach-E Ext Range RWD?

The average mileage recorded at MOT tests on the 2021 Ford Mustang Mach-E Ext Range RWD is 33,749 miles, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.