Citroen Relay (2015)

Estimated running costs and MOT pass rates from 2,563 MOT tests in 2024.

Annual Cost

£2,641

£220/month

MOT Pass Rate

78%

Average

Road Tax

£410

Estimated/year

Est. Insurance

n/a

2198cc Diesel

Check Carefully

78% pass rate, £2,641/year to run. Close to the average across all models.

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Diesel2198cc11 years old2,563 tests102k miles avg

Annual Running Costs

Fuel (Diesel, 2198cc)

~40 mpg

£1,676

Road Tax

Car rate estimate; vans are taxed differently

£410

MOT Test

£55

Predicted Repairs

£500

Total per year£2,641

Per month£220/mo

Per week£51/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.

Reliability Verdict

78% 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.

78% of MOT tests on Citroen Relays from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 2,563 tests across the UK, retests included. The average mileage recorded at those tests was 101,990 miles.

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How Does It Compare?

Rank among 2015 models446th of 515(bottom 14%)

Rank among Citroen models304th of 589(bottom half)

vs average of all models-4%(82% avg)

vs 2015 models average-5%(83% avg)

vs Citroen average-1%(79% avg)

Mileage Analysis

101,990

Average miles

66,600

Expected for age

The average 2015 Citroen Relay had 101,990 miles on the clock at its 2024 MOT, which is well above the expected 66,600 miles for a 9-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 2018 model has the highest MOT pass rate at 85%, while the 2005 model has the lowest at 63%. The 2015 scores 78%. 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

2017 · 1995cc Diesel

£2,002/year

81%

+3%

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About the 2015 Citroen Relay

The 2015 Citroen Relay is a van. Our records list a 2198cc diesel engine, though engines vary between versions. 2,563 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 14% of 2015 models for MOT pass rate.

With an average of 101,990 miles recorded at its 2024 MOT tests, Citroen Relay owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2015 Citroen Relay Fuel Costs

The 2198cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 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 2015 Citroen Relay?

Total estimated annual running cost is £2,641 (£220/month), broken down as £1,676 fuel, £410 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% 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 2015 Citroen Relay

At 11 years old, the Citroen Relay is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. 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

Watch out

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.

Dual Mass Flywheel

Watch out

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

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 102k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 2015 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(2015)	78%	£1,676	£410	n/a	£2,641
Ford Transit(2017)	81%	£1,397	£200	n/a	£2,002-£639

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 2015 Citroen Relay

Is the 2015 Citroen Relay reliable?

Average reliability. Expect some repairs as it ages. 78% of MOT tests on 2015 Citroen Relays ended in a pass, from 2,563 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points below the average of 82% across all models in the same data.

How much does a 2015 Citroen Relay cost to run?

Our estimate is £2,641 a year (£220 a month): £1,676 fuel, £410 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 2015 Citroen Relay?

78% of 2,563 MOT tests on the 2015 Citroen Relay ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 446th of 515 models first registered in 2015 (bottom 14%).

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 2015 Citroen Relay?

The average mileage recorded at MOT tests on the 2015 Citroen Relay is 101,990 miles, which is well above the expected 66,600 miles for a 9-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.