Ktm 390 Adventure 21 Reliability, MOT Pass Rate & Common Faults
Free Ktm 390 Adventure 21 car check
Is the Ktm 390 Adventure 21 reliable? We analysed 419 real MOT tests across 238 vehicles to find out.
Got a specific Ktm 390 Adventure 21? Enter the reg for a free check:
The Ktm 390 Adventure 21 is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Ktm 390 Adventure 21.
Ktm 390 Adventure 21 Number Plates
Number plates registered to a Ktm 390 Adventure 21. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Ktm 390 Adventure 21 MOT Pass Rate by Year
How likely is a Ktm 390 Adventure 21 to pass its MOT? Here's the pass rate for each registration year, newest first.
Ktm 390 Adventure 21 Common Faults & Problems
These are the most common serious faults found on Ktm 390 Adventure 21 models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Ktm 390 Adventure 21 Mileage — What's Normal?
How many miles does a typical Ktm 390 Adventure 21 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Ktm 390 Adventure 21 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Ktm 390 Adventure 21 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2022 | 117 | 94.0% | 2,238 | 4,160 | 7,290 |
| 2021 | 284 | 93.3% | 3,393 | 5,734 | 8,376 |
How Long Does a Ktm 390 Adventure 21 Last?
Based on 238 Ktm 390 Adventure 21 vehicles on UK roads.
Ktm 390 Adventure 21 Mileage Distribution
Total mileage recorded across all Ktm 390 Adventure 21 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 Ktm 390 Adventure 21
Based on MOT pass rates across all registration years with sufficient test data.
94.0% MOT pass rate from 117 tests
93.3% MOT pass rate from 284 tests
The best year to buy a used Ktm 390 Adventure 21 is 2022, which has the highest MOT pass rate at 94.0% across 117 tests. The 2021 model year has the lowest pass rate at 93.3% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Ktm 390 Adventure 21 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Ktm 390 Adventure 21 THIS CAR | 93.3% | 419 | 5,450 mi | — yrs |
| Ktm 125 | 76.8% | 13,595 | 10,169 mi | 21 yrs |
| Ktm 950 | 86.8% | 11,776 | 15,596 mi | 23 yrs |
| Ktm 640 LC4-E | 83.6% | 9,903 | 8,082 mi | 27 yrs |
| Audi A4 S Line 35 TFSI MHEV | 88.2% | 586 | 29,200 mi | — yrs |
Compared to the Ktm 125 (76.8% pass rate) and the Ktm 950 (86.8% pass rate), the Ktm 390 Adventure 21 outperforms both on MOT reliability.
Found a Ktm 390 Adventure 21 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 Ktm 390 Adventure 21Should you buy a used Ktm 390 Adventure 21?
The Ktm 390 Adventure 21 has an overall MOT pass rate of 93.3% across 419 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 Ktm 390 Adventure 21 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Ktm 390 Adventure 21 owner drives around 1,003 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.