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Triumph Twenty One Registrations by Year

There are 163 Triumph Twenty One registrations on record in the UK. Choose a registration year below to browse its number plates, or check any plate for its full MOT history, mileage and vehicle details.

There are 163 Triumph Twenty One registrations on UK roads, spanning model years 1957 to 2021.

More were registered in 1961 than any other year (21 vehicles).

92.6%
MOT pass rate
163
On UK roads
16,179
Median mileage
68 yr
Typical lifespan

Browse Triumph Twenty One registrations by year

38 registration years. Each year shows how many are on the road, the MOT pass rate and typical mileage for that age.

Triumph Twenty One registrations — frequently asked questions

How many Triumph Twenty Ones are there in the UK?
There are 163 Triumph Twenty One registrations on record across model years 1957 to 2021.
Which year had the most Triumph Twenty Ones registered?
1961 — 21 Triumph Twenty Ones were registered that year, more than any other.
What is the average mileage of a Triumph Twenty One?
The typical Triumph Twenty One has covered around 16,179 miles.
Which Triumph Twenty One year is most reliable?
Based on MOT data, the 1961 Triumph Twenty One has the highest pass rate at 91.4%.