1966 Chevrolet Gmc Impala MOT Pass Rate
Pass rate for Impala models manufactured in 1966, based on 32 real MOT test results.
Data from official DVSA MOT testing records
1966 Chevrolet Gmc Impala MOT Analysis
The 1966 Chevrolet Gmc Impala has an MOT pass rate of 78.1% based on 32 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 86,996 miles on the odometer. With a 21.9% failure rate, the 1966 Impala is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1966 Chevrolet Gmc Impala is Steering, responsible for 3.1% 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.
Top failures specific to 1966 models only. The overall Impala page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Steering | 3.1% | 1 |
Failures per 10,000 Miles
avg. 86,996 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Steering | 0.36 | 3.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1966 Chevrolet Gmc Impala has an MOT pass rate of 78.1% based on 32 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 86,996 miles on the odometer. With a 21.9% failure rate, the 1966 Impala is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1966 Chevrolet Gmc Impala, you can expect reliable MOT performance overall. 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 86,996 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Steering — 3.1% of failures
Steering issues account for 3.1% of MOT failures on 1966 Chevrolet Gmc Impala 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.