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Sym Dd 50 Reliability, MOT Pass Rate & Common Faults

Free Sym Dd 50 car check

Is the Sym Dd 50 reliable? We analysed 1,094 real MOT tests across 249 vehicles to find out.

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Data last updated: · Based on 1,094 real MOT tests
MOT Pass Rate
77.9%
Typical Mileage
8,840mi
Annual Mileage
1,393mi/yr
Est. Lifespan
24yrs

The Sym Dd 50 is above average for reliability based on real UK MOT data. Common problems include brake pad(s) less than 1.5 mm thick, tyre tread not clearly visible and exhaust is leaking and excessively noisey. Here's everything you need to know before buying a used Sym Dd 50.

Sym Dd 50 Number Plates

Number plates registered to a Sym Dd 50. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Sym Dd 50 MOT Pass Rate by Year

How likely is a Sym Dd 50 to pass its MOT? Here's the pass rate for each registration year, newest first.

80%
2010
78.6%
2008
85.7%
2007
81.1%
2005
74.7%
2004
70.4%
2003
79%
2002

Sym Dd 50 Problems — What Goes Wrong?

The most common reasons a Sym Dd 50 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Brake pad(s) less than 1.5 mm thick 37
Tyre tread not clearly visible 22
Exhaust is leaking and excessively noisey 21
shock absorber has inadequate damping effect. 21
Stop lamp does not illuminate immediately a brake applies 20
Brake lever has inadequate reserve travel 17
Direction indicator not working 14
Headlamp aim too high 12
Roller brake test indicates a binding brake 10
wheel bearings have excessive free play 10

Sym Dd 50 Mileage — What's Normal?

How many miles does a typical Sym Dd 50 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
508 mi/yr
Typical
1,393 mi/yr
Average
1,912 mi/yr
Heavy usage
2,645 mi/yr

Sym Dd 50 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Sym Dd 50 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2010 50 80.0% 3,652 7,088 12,204
2008 70 78.6% 5,827 10,424 18,622
2007 84 85.7% 4,232 7,702 12,396
2005 159 81.1% 6,475 10,110 14,079
2004 273 74.7% 4,396 8,147 12,405
2003 152 70.4% 5,310 9,301 13,938
2002 181 79.0% 5,375 8,960 14,580

How Long Does a Sym Dd 50 Last?

Based on 249 Sym Dd 50 vehicles on UK roads.

Average
6.5 years
Median
5.0 years
Estimated max lifespan
24 years

Sym Dd 50 Mileage Distribution

Total mileage recorded across all Sym Dd 50 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
8,840 mi
75th Percentile
13,003 mi
95th Percentile
21,966 mi
Max Recorded
46,268 mi

Best Year to Buy a Used Sym Dd 50

Based on MOT pass rates across all registration years with sufficient test data.

Best year
2007

85.7% MOT pass rate from 84 tests

Year to avoid
2003

70.4% MOT pass rate from 152 tests

The best year to buy a used Sym Dd 50 is 2007, which has the highest MOT pass rate at 85.7% across 84 tests. The 2003 model year has the lowest pass rate at 70.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Sym Dd 50 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Sym Dd 50 THIS CAR 77.9% 1,094 8,840 mi 24 yrs
Sym Jet 78.3% 29,546 12,938 mi 27 yrs
Sym DD50 78.4% 6,368 9,469 mi 24 yrs
Sym Jet 50 - Euro X 77.9% 5,537 12,781 mi 23 yrs
Volvo S60 R-design + T8 PHEV AWD A 87.5% 648 40,077 mi — yrs

Compared to the Sym Jet (78.3% pass rate) and the Sym DD50 (78.4% pass rate), the Sym Dd 50 trails behind on MOT reliability.

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Should you buy a used Sym Dd 50?

The Sym Dd 50 has an overall MOT pass rate of 77.9% across 1,094 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 Dd 50 are brake pad(s) less than 1.5 mm thick (37 recorded failures), tyre tread not clearly visible (22), and exhaust is leaking and excessively noisey (21). 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 Dd 50 owner drives around 1,393 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 Dd 50 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.

Sym Dd 50 — Frequently Asked Questions

Is the Sym Dd 50 reliable?
Based on 1,094 MOT tests, the Sym Dd 50 has a 77.9% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Sym Dd 50?
The most common MOT failures are brake pad(s) less than 1.5 mm thick, tyre tread not clearly visible, and exhaust is leaking and excessively noisey. Check these on any test drive.
How many miles does a Sym Dd 50 do per year?
The typical Sym Dd 50 does around 1,393 miles per year. Anything significantly above or below this is worth investigating.
How long does a Sym Dd 50 last?
Most Sym Dd 50 models stay on UK roads for around 24 years based on our analysis of 249 vehicles.
Should I get a vehicle check before buying a Sym Dd 50?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Sym Dd 50?
Based on MOT pass rates, the best year to buy a used Sym Dd 50 is 2007 with a 85.7% pass rate across 84 tests.