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1998 Nissan Micra Si MOT Pass Rate

Pass rate for Micra Si models manufactured in 1998, based on 51 real MOT test results.

25.5%
Pass Rate
74.5%
Fail Rate
51
Total Tests
80,789
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Micra Si cars tested in 1998. Want to see how cars built in 1998 hold up over time?

View 1998 Nissan Micra Si vintage page → (22.0% current pass rate)

1998 Nissan Micra Si MOT Analysis

The 1998 Nissan Micra Si has an MOT pass rate of 25.5% based on 51 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 80,789 miles on the odometer. With a 74.5% failure rate, the 1998 Micra Si is rated as "Very Poor" for MOT reliability.

The leading cause of MOT failure for the 1998 Nissan Micra Si is Body, Structure and General Items, responsible for 3.9% of failures. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs range from £100–500+. Driver's View of the Road is the second most common issue at 3.9%. Exhaust, Fuel and Emissions follows at 2.0%.

⚠ Based on limited data (51 tests)

Top failures specific to 1998 models only. The overall Micra Si 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
1Body, Structure And General Items3.9%2
2Driver's View Of The Road3.9%2
3Exhaust, Fuel And Emissions2.0%1
4Steering2.0%1
5Suspension2.0%1

Failures per 10,000 Miles

avg. 80,789 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.

Body & Structure0.49% per 10K miVisibility0.49% per 10K miEmissions & Exhaust0.24% per 10K miSteering0.24% per 10K miSuspension0.24% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Body & Structure0.493.9%2
Visibility0.493.9%2
Emissions & Exhaust0.242.0%1
Steering0.242.0%1
Suspension0.242.0%1

Mileage Statistics

80,789
Mean
71,465
Median
57,731
25th Percentile
90,232
75th Percentile
9.22% failures per 10K miles

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

About This Data

The 1998 Nissan Micra Si has an MOT pass rate of 25.5% based on 51 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 80,789 miles on the odometer. With a 74.5% failure rate, the 1998 Micra Si is rated as "Very Poor" for MOT reliability.

If you own or are considering buying a 1998 Nissan Micra Si, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to body, structure and general items: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely. With an average mileage of 80,789 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Body, Structure and General Items — 3.9% of failures

Body, Structure and General Items issues account for 3.9% of MOT failures on 1998 Nissan Micra Si models. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.

Driver's View of the Road — 3.9% of failures

Driver's View of the Road issues account for 3.9% of MOT failures on 1998 Nissan Micra Si models. 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.

Exhaust, Fuel and Emissions — 2.0% of failures

Exhaust, Fuel and Emissions issues account for 2.0% of MOT failures on 1998 Nissan Micra Si 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.

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

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