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2005 Vauxhall Vectra Sri Cdti 150 A MOT Pass Rate

Pass rate for Vectra Sri Cdti 150 A models manufactured in 2005, based on 38 real MOT test results.

68.4%
Pass Rate
31.6%
Fail Rate
38
Total Tests
96,724
Avg Mileage

Data from official DVSA MOT testing records

2005 Vauxhall Vectra Sri Cdti 150 A MOT Analysis

The 2005 Vauxhall Vectra Sri Cdti 150 A has an MOT pass rate of 68.4% based on 38 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 96,724 miles on the odometer. With a 31.6% failure rate, the 2005 Vectra Sri Cdti 150 A is rated as "Good" for MOT reliability.

The leading cause of MOT failure for the 2005 Vauxhall Vectra Sri Cdti 150 A is Exhaust, Fuel and Emissions, responsible for 5.3% of failures. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs range from £100–1,000+. Suspension is the second most common issue at 2.6%.

⚠ Based on limited data (38 tests)

Top failures specific to 2005 models only. The overall Vectra Sri Cdti 150 A page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Exhaust, Fuel And Emissions5.3%2
2Suspension2.6%1

Failures per 10,000 Miles

avg. 96,724 mi

For 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.

Emissions & Exhaust0.54% per 10K miSuspension0.27% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Emissions & Exhaust0.545.3%2
Suspension0.272.6%1

Mileage Statistics

96,724
Mean
87,169
Median
70,696
25th Percentile
114,751
75th Percentile
3.27% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 2005 Vauxhall Vectra Sri Cdti 150 A has an MOT pass rate of 68.4% based on 38 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 96,724 miles on the odometer. With a 31.6% failure rate, the 2005 Vectra Sri Cdti 150 A is rated as "Good" for MOT reliability.

If you own or are considering buying a 2005 Vauxhall Vectra Sri Cdti 150 A, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to exhaust, fuel and emissions: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help. With an average mileage of 96,724 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Exhaust, Fuel and Emissions — 5.3% of failures

Exhaust, Fuel and Emissions issues account for 5.3% of MOT failures on 2005 Vauxhall Vectra Sri Cdti 150 A models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.

Suspension — 2.6% of failures

Suspension issues account for 2.6% of MOT failures on 2005 Vauxhall Vectra Sri Cdti 150 A models. 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.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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