Model report · 2005–2025
DERBI GPR 50 10
50cc
Petrol
Class 1
63.1%
first-time pass rate
30.4%
failed outright
7,786
median miles at test
168
MOT tests, 2005–2025
What fails on a GPR 50 10
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
37 | 21.8 |
| steering and suspension |
|
25 | 14.7 |
| lighting and signalling |
|
24 | 14.1 |
| structure and attachments |
|
17 | 10 |
| body and structure |
|
15 | 8.8 |
| lamps and reflectors |
|
14 | 8.2 |
| drive system |
|
13 | 7.6 |
| suspension |
|
12 | 7.1 |
| tyres |
|
7 | 4.1 |
| steering |
|
6 | 3.5 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
same type, similar capacity, high test volume
On first-time pass rate the GPR 50 10 beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).
PEUGEOT
SPEEDFIGHT
65.2% pass · 83.7k tests
PIAGGIO
ZIP
71.3% pass · 79.0k tests
PIAGGIO
NRG
65.5% pass · 40.5k tests
PEUGEOT
VIVACITY
70.4% pass · 29.7k tests
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the GPR 50 10.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 2011 (63.6% pass). Weakest: 2010 (62.5%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.