Citroen Relay 30 100hp Swb MOT Pass Rate
Overall pass rate across all manufacture years, based on 1,282 real MOT test results. Failure rate: 38.1%.
Data from official DVSA MOT testing records
Citroen Relay 30 100hp Swb MOT Reliability Overview
The Citroen Relay 30 100hp Swb is a niche vehicle in the UK, with 1,282 MOT test results recorded in our database spanning 6 manufacture years. It has an overall MOT pass rate of 61.9% and a failure rate of 38.1%, which is around the UK average of approximately 37%.
Based on this data, the Citroen Relay 30 100hp Swb earns a "Average" reliability rating. The average Citroen Relay 30 100hp Swb presents for MOT with approximately 72,411 miles on the clock. Manufacture year matters: 2011 models achieve the highest pass rate at 71.4%, while 2007 models have the lowest at 58.5%. This 12.9 percentage point difference suggests notable variation in build quality or component durability across production years.
The most common MOT failure for the Citroen Relay 30 100hp Swb is Lamps, Reflectors and Electrical Equipment, affecting 47.9% of all tests. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. The second most common issue is Brakes at 27.8%. Driver's View of the Road rounds out the top three at 18.5%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
Best Year to Buy
📈 How Each Vintage Ages
📉 How Age Affects Reliability
MOT failure rate by vehicle age for the Citroen Relay 30 100hp Swb. The dashed red line marks when the manufacturer warranty typically expires (3 years).
Line chart showing MOT failure rate by vehicle age from 3 to 8 years, with warranty expiry marked at 3 years.
💡 What does the warranty cliff mean?
The Citroen Relay 30 100hp Swb shows a moderate increase in MOT failures after warranty. The 30% increase is typical — plan for gradual maintenance cost increases. Peak failure occurs at age 6 (41.4% fail rate).
Note: pass rates may improve for very old vehicles due to survivorship bias — only well-maintained cars remain on the road.
Pass Rate by Manufacture Year
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Lamps, Reflectors And Electrical Equipment | 56.6% | 725 |
| 2 | Brakes | 31.5% | 404 |
| 3 | Driver's View Of The Road | 21.1% | 270 |
| 4 | Tyres | 14.6% | 187 |
| 5 | Suspension | 14.4% | 184 |
| 6 | Exhaust, Fuel And Emissions | 6.2% | 79 |
| 7 | Steering | 2.8% | 36 |
| 8 | Body, Structure And General Items | 2.6% | 33 |
| 9 | Registration Plates And Vin | 1.3% | 17 |
| 10 | Seat Belts And Supplementary Restraint Systems | 0.8% | 10 |
| 11 | Non-component Advisories | 0.5% | 6 |
| 12 | Road Wheels | 0.2% | 3 |
Failures per 10,000 Miles
avg. 72,411 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Lamps & Electrical | 7.81 | 56.6% | 725 |
| Brakes | 4.35 | 31.5% | 404 |
| Visibility | 2.91 | 21.1% | 270 |
| Tyres | 2.01 | 14.6% | 187 |
| Suspension | 1.98 | 14.4% | 184 |
| Emissions & Exhaust | 0.85 | 6.2% | 79 |
| Steering | 0.39 | 2.8% | 36 |
| Body & Structure | 0.36 | 2.6% | 33 |
| Registration Plates and VIN | 0.18 | 1.3% | 17 |
| Seat Belts | 0.11 | 0.8% | 10 |
| Non-component advisories | 0.06 | 0.5% | 6 |
| Wheels | 0.03 | 0.2% | 3 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Citroen Relay 30 100hp Swb has 72,411 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Citroen Relay 30 100hp Swb has a mileage-adjusted failure rate of 5.26% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Citroen Relay 30 100hp Swb MOT Data
The Citroen Relay 30 100hp Swb is a niche vehicle in the UK, with 1,282 MOT test results recorded in our database spanning 6 manufacture years. It has an overall MOT pass rate of 61.9% and a failure rate of 38.1%, which is around the UK average of approximately 37%.
For Citroen Relay 30 100hp Swb owners, these results suggest average reliability — some preparation before MOT can improve pass chances. Focus your pre-MOT checks on lamps, reflectors and electrical equipment and brakes for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Relay 30 100hp Swb is likely to perform.
Lamps, Reflectors and Electrical Equipment — 47.9% of failures
Lamps, Reflectors and Electrical Equipment issues account for 47.9% of MOT failures on the Citroen Relay 30 100hp Swb. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Brakes — 27.8% of failures
Brakes issues account for 27.8% of MOT failures on the Citroen Relay 30 100hp Swb. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Driver's View of the Road — 18.5% of failures
Driver's View of the Road issues account for 18.5% of MOT failures on the Citroen Relay 30 100hp Swb. Driver's View of the Road issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Frequently Asked Questions
What is the MOT pass rate for the Citroen Relay 30 100hp Swb?
Based on 1,282 MOT tests in our database, the Citroen Relay 30 100hp Swb has an overall pass rate of 61.9% (38.1% fail rate).
What are the most common MOT failures on a Citroen Relay 30 100hp Swb?
The top 3 reasons a Citroen Relay 30 100hp Swb fails its MOT are: 1. Lamps, Reflectors and Electrical Equipment (47.9%), 2. Brakes (27.8%), 3. Driver's View of the Road (18.5%). Check these areas before booking your MOT.
Is the Citroen Relay 30 100hp Swb reliable?
With a 38.1% MOT failure rate, the Relay 30 100hp Swb is about average compared to the UK average of ~40%.
What should I check before an MOT on my Citroen Relay 30 100hp Swb?
Based on failure data, focus on: Lamps, Reflectors and Electrical Equipment (47.9%); Brakes (27.8%); Driver's View of the Road (18.5%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.