CITROEN RELAY (2020)
Running costs, reliability data, and common problems from 105 real MOT tests.
Annual Cost
£1,787
£149/month
MOT Pass Rate
79%
Average
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1997cc Diesel
Check Carefully
79% pass rate, £1787/year to run. Close to the national average.
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Annual Running Costs
~48 mpg
Flat rate (post-2017)
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%.
At 6 years old, 79% of CITROEN RELAYs from 2020 passed their MOT first time in 2026. That's based on 105 tests across the UK. The average mileage at this age is 33,882 miles.
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How Does It Compare?
Mileage Analysis
33,882
Average miles
44,400
Expected for age
The average 2020 CITROEN RELAY has 33,882 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2018 model with a 85% MOT pass rate, while the 2005 model has the lowest at 63%. The 2020 sits between the two at 79%.
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
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About the 2020 CITROEN RELAY
The 2020 CITROEN RELAY is a family car with a 1997cc diesel engine. 105 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 98% of 2020 cars for MOT pass rates.
With an average of 33,882 miles at 6 years old, CITROEN RELAY owners tend to use this car less than the typical driver.
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 £1,037 per year at current diesel prices of 148p per litre (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 £1,787 (£149/month), broken down as £1037 fuel, £195 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 show better MOT pass rates than older ones, with an average improvement of 10 percentage points.
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
Based on the 2020 CITROEN RELAY's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Service History
Low riskAlways 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 annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| CITROEN RELAY(2020) | 79% | £1037 | £195 | Grp 18-32 | £1787 |
| VOLKSWAGEN GOLF(2018) | 92% | £1037 | £190 | Grp 18-32 | £1482-£305 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£287 |
| VOLKSWAGEN POLO(2018) | 84% | £905 | £190 | Grp 12-25 | £1500-£287 |
| FORD KUGA(2019) | 91% | £1037 | £190 | Grp 18-32 | £1482-£305 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Citroen Models
Explore other Citroen cars or similar models in the same category.
CITROEN C4
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CITROEN DS3
2014 · 1560cc Diesel
CITROEN C3
2010 · 1398cc Diesel
VOLKSWAGEN GOLF
2018 · 1968cc Diesel
FORD FOCUS
2019 · 1499cc Diesel
VOLKSWAGEN POLO
2018 · 1598cc Diesel
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