2018 Sinnis Zs 125-86 Terrain MOT Pass Rate
Pass rate for Zs 125-86 Terrain models manufactured in 2018, based on 510 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Zs 125-86 Terrain cars tested in 2018. Want to see how cars built in 2018 hold up over time?
View 2018 Sinnis Zs 125-86 Terrain vintage page → (71.0% current pass rate)2018 Sinnis Zs 125-86 Terrain MOT Analysis
The 2018 Sinnis Zs 125-86 Terrain has an MOT pass rate of 71.6% based on 510 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,174 miles on the odometer. With a 28.4% failure rate, the 2018 Zs 125-86 Terrain is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 2018 Sinnis Zs 125-86 Terrain is Motorcycle structure and attachments, responsible for 4.9% of failures. Motorcycle structure and attachments 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 range from £100–400. Motorcycle brakes is the second most common issue at 4.7%. Motorcycle suspension follows at 2.7%.
Top failures specific to 2018 models only. The overall Zs 125-86 Terrain 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 | Motorcycle Structure And Attachments | 4.9% | 25 |
| 2 | Motorcycle Brakes | 4.7% | 24 |
| 3 | Motorcycle Suspension | 2.7% | 14 |
| 4 | Motorcycle Lamps And Reflectors | 2.7% | 14 |
| 5 | Motorcycle Tyres | 1.8% | 9 |
| 6 | Motorcycle Steering | 1.0% | 5 |
| 7 | Motorcycle Wheels | 0.4% | 2 |
| 8 | Motorcycle Audible Warning (Horn) | 0.4% | 2 |
Failures per 10,000 Miles
avg. 11,174 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 |
|---|---|---|---|
| Motorcycle structure and attachments | 4.39 | 4.9% | 25 |
| Motorcycle brakes | 4.21 | 4.7% | 24 |
| Motorcycle suspension | 2.46 | 2.7% | 14 |
| Motorcycle lamps and reflectors | 2.46 | 2.7% | 14 |
| Motorcycle tyres | 1.58 | 1.8% | 9 |
| Motorcycle steering | 0.88 | 1.0% | 5 |
| Motorcycle wheels | 0.35 | 0.4% | 2 |
| Motorcycle audible warning (Horn) | 0.35 | 0.4% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2018 Sinnis Zs 125-86 Terrain has an MOT pass rate of 71.6% based on 510 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 11,174 miles on the odometer. With a 28.4% failure rate, the 2018 Zs 125-86 Terrain is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 2018 Sinnis Zs 125-86 Terrain, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle structure and attachments: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 11,174 miles, many of these vehicles are still in good mechanical condition.
Motorcycle structure and attachments — 4.9% of failures
Motorcycle structure and attachments issues account for 4.9% of MOT failures on 2018 Sinnis Zs 125-86 Terrain models. Motorcycle structure and attachments 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.
Motorcycle brakes — 4.7% of failures
Motorcycle brakes issues account for 4.7% of MOT failures on 2018 Sinnis Zs 125-86 Terrain 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).
Motorcycle suspension — 2.7% of failures
Motorcycle suspension issues account for 2.7% of MOT failures on 2018 Sinnis Zs 125-86 Terrain 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.