Ford Transit Custom (2021)

Estimated running costs and MOT pass rates from 712 MOT tests in 2024.

Annual Cost

£2,152

£179/month

MOT Pass Rate

79%

Average

Road Tax

£200

Standard rate/year

Est. Insurance

n/a

2000cc Diesel

Check Carefully

79% pass rate, £2,152/year to run. Close to the average across all models.

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Diesel2000cc5 years old712 tests46k miles avg

Annual Running Costs

Fuel (Diesel, 2000cc)

~48 mpg

£1,397

Road Tax

Car rate estimate; vans are taxed differently

£200

MOT Test

£55

Predicted Repairs

£500

Total per year£2,152

Per month£179/mo

Per week£41/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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

79% MOT pass rate(Average)

0%All-model avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the average of 82% across all models in our data. It falls below the Ford brand average of 85%.

79% of MOT tests on Ford Transit Customs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 712 tests across the UK, retests included. The average mileage recorded at those tests was 46,301 miles.

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How Does It Compare?

Rank among 2021 models3281st of 3,336(bottom 2%)

Rank among Ford models818th of 1,136(bottom half)

vs average of all models-3%(82% avg)

vs 2021 models average-13%(92% avg)

vs Ford average-6%(85% avg)

Mileage Analysis

46,301

Average miles

22,200

Expected for age

The average 2021 Ford Transit Custom had 46,301 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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Best Year to Buy?

Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 89%, while the 2014 model has the lowest at 71%. The 2021 scores 79%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Ford Transit Custom by Year

Year	Pass Rate	Tests	Avg Mileage
2023	98%	53	23,419 mi
2021	79%	712	46,301 mi
2020	89%	2,221	54,529 mi
2019	87%	59,814	70,971 mi
2018	86%	50,711	82,887 mi
2017	77%	484	88,191 mi
2016	80%	588	100,757 mi
2015	76%	376	109,863 mi
2014	71%	323	115,678 mi
2013	77%	104	130,099 mi

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About the 2021 Ford Transit Custom

The 2021 Ford Transit Custom is a van. Our records list a 2000cc diesel engine, though engines vary between versions. 712 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It sits in the bottom 2% of 2021 models for MOT pass rate.

With an average of 46,301 miles recorded at its 2024 MOT tests, Ford Transit Custom owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2021 Ford Transit Custom Fuel Costs

The 2000cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,397 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2021 Ford Transit Custom?

Total estimated annual running cost is £2,152 (£179/month), broken down as £1,397 fuel, £200 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.

Ford Transit Custom Reliability Trend

Newer Ford Transit Customs pass their MOT more often than older ones, by 8 percentage points on average, which is mostly down to age and wear.

Buying a Used 2021 Ford Transit Custom

At 5 years old, the Ford Transit Custom 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 89%.

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.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Low risk

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Medium risk

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

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.

Questions about the 2021 Ford Transit Custom

Is the 2021 Ford Transit Custom reliable?

Average reliability. Expect some repairs as it ages. 79% of MOT tests on 2021 Ford Transit Customs ended in a pass, from 712 tests (DVSA MOT data for tests in 2024, retests included). That's 3 points below the average of 82% across all models in the same data.

How much does a 2021 Ford Transit Custom cost to run?

Our estimate is £2,152 a year (£179 a month): £1,397 fuel, £200 road tax, £55 MOT and £500 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2021 Ford Transit Custom?

79% of 712 MOT tests on the 2021 Ford Transit Custom ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 3281st of 3,336 models first registered in 2021 (bottom 2%).

Which year Ford Transit Custom has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Ford Transit Custom has the highest MOT pass rate at 89% and the 2014 the lowest at 71%. 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 Transit Custom?

The average mileage recorded at MOT tests on the 2021 Ford Transit Custom is 46,301 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.