Sinnis Terrain 125 Reliability, MOT Pass Rate & Common Faults
Free Sinnis Terrain 125 car check
Is the Sinnis Terrain 125 reliable? We analysed 1,070 real MOT tests across 591 vehicles to find out.
Got a specific Sinnis Terrain 125? Enter the reg for a free check:
The Sinnis Terrain 125 is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Sinnis Terrain 125.
Sinnis Terrain 125 Number Plates
Number plates registered to a Sinnis Terrain 125. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Sinnis Terrain 125 MOT Pass Rate by Year
How likely is a Sinnis Terrain 125 to pass its MOT? Here's the pass rate for each registration year, newest first.
Sinnis Terrain 125 Common Faults & Problems
These are the most common serious faults found on Sinnis Terrain 125 models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Sinnis Terrain 125 Mileage — What's Normal?
How many miles does a typical Sinnis Terrain 125 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Sinnis Terrain 125 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Sinnis Terrain 125 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2022 | 263 | 77.2% | 2,638 | 5,140 | 9,192 |
| 2021 | 719 | 79.0% | 3,805 | 6,535 | 10,809 |
How Long Does a Sinnis Terrain 125 Last?
Based on 591 Sinnis Terrain 125 vehicles on UK roads.
Sinnis Terrain 125 Mileage Distribution
Total mileage recorded across all Sinnis Terrain 125 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Sinnis Terrain 125
Based on MOT pass rates across all registration years with sufficient test data.
79.0% MOT pass rate from 719 tests
77.2% MOT pass rate from 263 tests
The best year to buy a used Sinnis Terrain 125 is 2021, which has the highest MOT pass rate at 79.0% across 719 tests. The 2022 model year has the lowest pass rate at 77.2% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Sinnis Terrain 125 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Sinnis Terrain 125 THIS CAR | 78.7% | 1,070 | 6,142 mi | — yrs |
| Sinnis ZS 125-86 Terrain | 76.2% | 3,119 | 8,448 mi | — yrs |
| Sinnis ZS 125-79 Hoodlum | 74.1% | 2,419 | 5,439 mi | — yrs |
| Sinnis Xf | 73.9% | 2,293 | 5,743 mi | 13 yrs |
| Kawasaki Klz 1000 Bjfa | 92.8% | 878 | 10,188 mi | — yrs |
Compared to the Sinnis ZS 125-86 Terrain (76.2% pass rate) and the Sinnis ZS 125-79 Hoodlum (74.1% pass rate), the Sinnis Terrain 125 outperforms both on MOT reliability.
Found a Sinnis Terrain 125 you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Sinnis Terrain 125Should you buy a used Sinnis Terrain 125?
The Sinnis Terrain 125 has an overall MOT pass rate of 78.7% across 1,070 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
On the safety side, the most frequently flagged dangerous fault is brake pad(s) less than 1.0 mm thick. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Sinnis Terrain 125 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Sinnis Terrain 125 owner drives around 1,644 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.