Citroen Relay (2020)

Estimated running costs and MOT pass rates from 105 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

1997cc Diesel

Check Carefully

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

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Diesel1997cc6 years old105 tests34k miles avg

Annual Running Costs

Fuel (Diesel, 1997cc)

~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.

79% of MOT tests on Citroen Relays from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 105 tests across the UK, retests included. The average mileage recorded at those tests was 33,882 miles.

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How Does It Compare?

Rank among 2020 models2516th of 2,554(bottom 2%)

Rank among Citroen models296th of 589(bottom half)

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

vs 2020 models average-13%(92% avg)

vs Citroen average+0%(79% avg)

Mileage Analysis

33,882

Average miles

29,600

Expected for age

The average 2020 Citroen Relay had 33,882 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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Best Year to Buy?

Of the years with at least 100 tests, the 2018 model has the highest MOT pass rate at 85%, while the 2005 model has the lowest at 63%. The 2020 scores 79%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Citroen Relay by Year

Year	Pass Rate	Tests	Avg Mileage
2021	77%	44	32,620 mi
2020	79%	105	33,882 mi
2019	85%	940	54,174 mi
2018	85%	1,249	64,877 mi
2017	80%	2,295	84,158 mi
2016	80%	2,557	92,211 mi
2015	78%	2,563	101,990 mi
2014	76%	2,030	108,058 mi
2013	75%	1,461	106,366 mi
2012	76%	1,354	114,152 mi
2011	73%	1,326	123,145 mi
2010	73%	1,428	123,794 mi
2009	70%	1,173	126,729 mi
2008	71%	1,683	126,474 mi
2007	68%	1,791	125,795 mi
2006	68%	1,341	115,566 mi
2005	63%	808	106,101 mi
2004	66%	510	93,206 mi
2003	68%	485	93,245 mi
2002	65%	327	97,426 mi
2001	69%	157	82,776 mi
2000	64%	143	102,601 mi
1999	64%	204	92,161 mi
1998	70%	105	85,327 mi
1997	73%	48	95,801 mi
1996	66%	70	103,965 mi
1995	70%	84	93,461 mi
1993	60%	43	139,864 mi

Similar Cars to Consider

Ford Transit Custom

2019 · 2000cc Diesel

£2,002/year

87%

+8%

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About the 2020 Citroen Relay

The 2020 Citroen Relay is a van. Our records list a 1997cc diesel engine, though engines vary between versions. 105 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 2% of 2020 models for MOT pass rate.

With an average of 33,882 miles recorded at its 2024 MOT tests, Citroen Relay owners drive about as much as the UK average.

2020 Citroen Relay Fuel Costs

The 1997cc 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 2020 Citroen Relay?

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.

Citroen Relay Reliability Trend

Newer Citroen Relays pass their MOT more often than older ones, by 11 percentage points on average, which is mostly down to age and wear.

Buying a Used 2020 Citroen Relay

At 6 years old, the Citroen Relay 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 2018 model has the highest pass rate at 85%.

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

Watch out

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

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 Citroen Relay 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
Citroen Relay(2020)	79%	£1,397	£200	n/a	£2,152
Ford Transit Custom(2019)	87%	£1,397	£200	n/a	£2,002-£150

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 Citroen Relay

Is the 2020 Citroen Relay reliable?

Average reliability. Expect some repairs as it ages. 79% of MOT tests on 2020 Citroen Relays ended in a pass, from 105 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 2020 Citroen Relay 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 2020 Citroen Relay?

79% of 105 MOT tests on the 2020 Citroen Relay ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2516th of 2,554 models first registered in 2020 (bottom 2%).

Which year Citroen Relay has the best MOT pass rate?

Of the years with at least 100 tests, the 2018 Citroen Relay has the highest MOT pass rate at 85% and the 2005 the lowest at 63%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2020 Citroen Relay?

The average mileage recorded at MOT tests on the 2020 Citroen Relay is 33,882 miles, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.