Sym Dd 50 (2004)
2004 Sym Dd 50
CarHunch analysed 197 real MOT records for the 2004 Sym Dd 50. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 2004 SYM DD 50 is a serious reliability concern, with only 25.2% passing their MOT first time against the UK average of 80%—that's a three-to-one failure rate. Dangerous defects are relatively rare at 5.6%, but the overall pass rate tells you this is a vehicle prone to multiple smaller faults that rack up across repeated tests.
The median mileage of 8,423 is notably low for a 20-year-old machine, suggesting most survivors have been gently used, yet they still average 0.35 failures and 0.9 advisories per vehicle—a sign of inherent wear and design weakness. If you're considering one, budget for regular repairs and treat the first MOT as a diagnostic checkpoint rather than a clean bill of health.
What to check before buying a 2004 Sym Dd 50
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Sym Dd 50
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Mileage Distribution
Most 2004 Sym Dd 50 vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2004 Sym Dd 50 vehicles fall between 4,923 and 11,460 miles.
MOT History Averages
Found a specific Sym Dd 50?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.