Sym DD50 Reliability, MOT Pass Rate & Common Faults
Free Sym DD50 car check
Is the Sym DD50 reliable? We analysed 6,368 real MOT tests across 1,074 vehicles to find out.
Got a specific Sym DD50? Enter the reg for a free check:
The Sym DD50 is above average for reliability based on real UK MOT data. Common problems include brake pad(s) less than 1.5 mm thick, shock absorber has inadequate damping effect. and brake lever has inadequate reserve travel. Here's everything you need to know before buying a used Sym DD50.
Sym DD50 Number Plates
Number plates registered to a Sym DD50. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Sym DD50 MOT Pass Rate by Year
How likely is a Sym DD50 to pass its MOT? Here's the pass rate for each registration year, newest first.
Sym DD50 Problems — What Goes Wrong?
The most common reasons a Sym DD50 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Sym DD50 Mileage — What's Normal?
How many miles does a typical Sym DD50 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Sym DD50 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Sym DD50 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2011 | 65 | 75.4% | 5,416 | 9,988 | 13,679 |
| 2010 | 162 | 83.3% | 3,302 | 5,504 | 8,866 |
| 2009 | 188 | 78.2% | 6,770 | 11,913 | 15,619 |
| 2008 | 215 | 80.5% | 6,129 | 9,955 | 15,328 |
| 2007 | 246 | 79.7% | 5,919 | 9,602 | 13,824 |
| 2006 | 320 | 77.8% | 3,980 | 6,908 | 11,895 |
| 2005 | 1,228 | 79.2% | 5,744 | 10,069 | 14,903 |
| 2004 | 1,777 | 77.5% | 5,356 | 9,413 | 14,510 |
| 2003 | 1,150 | 78.4% | 5,432 | 9,870 | 14,836 |
| 2002 | 920 | 77.8% | 6,010 | 10,191 | 15,338 |
How Long Does a Sym DD50 Last?
Based on 1,074 Sym DD50 vehicles on UK roads.
Sym DD50 Mileage Distribution
Total mileage recorded across all Sym DD50 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 Sym DD50
Based on MOT pass rates across all registration years with sufficient test data.
83.3% MOT pass rate from 162 tests
75.4% MOT pass rate from 65 tests
The best year to buy a used Sym DD50 is 2010, which has the highest MOT pass rate at 83.3% across 162 tests. The 2011 model year has the lowest pass rate at 75.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Sym DD50 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Sym DD50 THIS CAR | 78.4% | 6,368 | 9,469 mi | 24 yrs |
| Sym Jet | 78.3% | 29,546 | 12,938 mi | 27 yrs |
| Sym Jet 50 - Euro X | 77.9% | 5,537 | 12,781 mi | 23 yrs |
| Sym City Hopper | 77% | 5,520 | 12,447 mi | 27 yrs |
| Vauxhall Grandland X Business ED Nav T | 89% | 5,674 | 28,847 mi | — yrs |
Compared to the Sym Jet (78.3% pass rate) and the Sym Jet 50 - Euro X (77.9% pass rate), the Sym DD50 outperforms both on MOT reliability.
Found a Sym DD50 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 Sym DD50Should you buy a used Sym DD50?
The Sym DD50 has an overall MOT pass rate of 78.4% across 6,368 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Sym DD50 are brake pad(s) less than 1.5 mm thick (184 recorded failures), shock absorber has inadequate damping effect. (111), and brake lever has inadequate reserve travel (107). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical Sym DD50 owner drives around 1,111 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.
In terms of longevity, most Sym DD50 models stay on UK roads for around 24 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
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.