1998 Chevrolet Gmc Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1998, based on 236 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Unclassified cars tested in 1998. Want to see how cars built in 1998 hold up over time?
View 1998 Chevrolet Gmc Unclassified vintage page → (64.5% current pass rate)1998 Chevrolet Gmc Unclassified MOT Analysis
The 1998 Chevrolet Gmc Unclassified has an MOT pass rate of 63.6% based on 236 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 96,579 miles on the odometer. With a 36.4% failure rate, the 1998 Unclassified is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 1998 Chevrolet Gmc Unclassified is Steering, responsible for 0.8% of failures. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs range from £150–600. Brakes is the second most common issue at 0.8%.
Top failures specific to 1998 models only. The overall Unclassified page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
Failures per 10,000 Miles
avg. 96,579 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 |
|---|---|---|---|
| Steering | 0.09 | 0.8% | 2 |
| Brakes | 0.09 | 0.8% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1998 Chevrolet Gmc Unclassified has an MOT pass rate of 63.6% based on 236 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 96,579 miles on the odometer. With a 36.4% failure rate, the 1998 Unclassified is rated as "Average" for MOT reliability.
If you own or are considering buying a 1998 Chevrolet Gmc Unclassified, budget for potential repairs before each MOT. Before your MOT, pay particular attention to steering: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels. With an average mileage of 96,579 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Steering — 0.8% of failures
Steering issues account for 0.8% of MOT failures on 1998 Chevrolet Gmc Unclassified models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Brakes — 0.8% of failures
Brakes issues account for 0.8% of MOT failures on 1998 Chevrolet Gmc Unclassified models. 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).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.