Westfield Seiw MOT Pass Rate
Overall pass rate across all manufacture years, based on 1,196 real MOT test results. Failure rate: 11.5%.
Data from official DVSA MOT testing records
Westfield Seiw MOT Reliability Overview
The Westfield Seiw is a niche vehicle in the UK, with 1,196 MOT test results recorded in our database spanning 16 manufacture years. It has an overall MOT pass rate of 88.5% and a failure rate of 11.5%, which is well above the UK average of approximately 37%.
Based on this data, the Westfield Seiw earns a "Excellent" reliability rating. The average Westfield Seiw presents for MOT with approximately 13,002 miles on the clock. Manufacture year matters: 1998 models achieve the highest pass rate at 100.0%, while 2009 models have the lowest at 75.5%. This 24.5 percentage point difference suggests notable variation in build quality or component durability across production years.
The most common MOT failure for the Westfield Seiw is Lamps, Reflectors and Electrical Equipment, affecting 7.0% 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 Suspension at 5.9%. Lamps, reflectors and electrical equipment rounds out the top three at 5.4%. 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
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 | 14.1% | 168 |
| 2 | Suspension | 6.8% | 81 |
| 3 | Brakes | 4.7% | 56 |
| 4 | Noise, Emissions And Leaks | 3.2% | 38 |
| 5 | Exhaust, Fuel And Emissions | 3.1% | 37 |
| 6 | Tyres | 2.3% | 28 |
| 7 | Steering | 1.7% | 20 |
| 8 | Driver's View Of The Road | 1.3% | 15 |
| 9 | Identification Of The Vehicle | 0.7% | 8 |
| 10 | Visibility | 0.6% | 7 |
| 11 | Registration Plates And Vin | 0.3% | 4 |
| 12 | Non-component Advisories | 0.2% | 2 |
| 13 | Items Not Tested | 0.2% | 2 |
| 14 | Body, Chassis, Structure | 0.2% | 2 |
Failures per 10,000 Miles
avg. 13,002 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 | 10.81 | 14.1% | 168 |
| Suspension | 5.21 | 6.8% | 81 |
| Brakes | 3.60 | 4.7% | 56 |
| Noise, emissions and leaks | 2.44 | 3.2% | 38 |
| Emissions & Exhaust | 2.38 | 3.1% | 37 |
| Tyres | 1.80 | 2.3% | 28 |
| Visibility | 1.41 | 1.9% | 22 |
| Steering | 1.29 | 1.7% | 20 |
| Identification of the vehicle | 0.51 | 0.7% | 8 |
| Registration Plates and VIN | 0.26 | 0.3% | 4 |
| Non-component advisories | 0.13 | 0.2% | 2 |
| Items Not Tested | 0.13 | 0.2% | 2 |
| Body & Structure | 0.13 | 0.2% | 2 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Westfield Seiw has 13,002 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 Westfield Seiw has a mileage-adjusted failure rate of 8.84% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Westfield Seiw MOT Data
The Westfield Seiw is a niche vehicle in the UK, with 1,196 MOT test results recorded in our database spanning 16 manufacture years. It has an overall MOT pass rate of 88.5% and a failure rate of 11.5%, which is well above the UK average of approximately 37%.
For Westfield Seiw owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on lamps, reflectors and electrical equipment and suspension 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 Seiw is likely to perform.
Lamps, Reflectors and Electrical Equipment — 7.0% of failures
Lamps, Reflectors and Electrical Equipment issues account for 7.0% of MOT failures on the Westfield Seiw. 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.
Suspension — 5.9% of failures
Suspension issues account for 5.9% of MOT failures on the Westfield Seiw. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Lamps, reflectors and electrical equipment — 5.4% of failures
Lamps, reflectors and electrical equipment issues account for 5.4% of MOT failures on the Westfield Seiw. 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.
Frequently Asked Questions
What is the MOT pass rate for the Westfield Seiw?
Based on 1,196 MOT tests in our database, the Westfield Seiw has an overall pass rate of 88.5% (11.5% fail rate).
What are the most common MOT failures on a Westfield Seiw?
The top 3 reasons a Westfield Seiw fails its MOT are: 1. Lamps, Reflectors and Electrical Equipment (7.0%), 2. Suspension (5.9%), 3. Lamps, reflectors and electrical equipment (5.4%). Check these areas before booking your MOT.
Is the Westfield Seiw reliable?
With a 11.5% MOT failure rate, the Seiw is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Westfield Seiw?
Based on failure data, focus on: Lamps, Reflectors and Electrical Equipment (7.0%); Suspension (5.9%); Lamps, reflectors and electrical equipment (5.4%). 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.