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BN21 SZP

2021 Triumph Bonneville

Green Petrol 1200cc
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MOT Status

Valid
Expires26 May 2027
Tests4 (3 pass, 1 fail)
Pass rate75%

Mileage

2,138 mi
Last recorded2,138 miles
Recorded on27 May 2026
Typical for 2021 Triumph Bonneville3,960 mi

Below or average mileage for this year

4 checks still locked for this Triumph
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationBN21 SZP
MakeTriumph
ModelBonneville
Year2021
ColourGreen
Fuel typePetrol
Engine1,200cc

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50+ data points
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MOT History

3 pass 1 fail
Pass 27 May 2026 2,138 miles
Pass 22 May 2025 1,319 miles
Fail 22 May 2025 1,319 miles

Horn not working (7.7 (a))

Pass 16 May 2024 1,006 miles

How Reliable is the Triumph Bonneville?

Based on 235,206 MOT tests across 29,562 vehicles.

90.1%
Pass Rate
520
Miles/Year
53
Year Lifespan
29,562
On UK Roads

Top MOT Failure Points

Tyre tread depth is below minimum requirements of 1.0mm 907
Brake pad(s) less than 1.5 mm thick 730
Roller brake test indicates a binding brake 580
Stop lamp does not illuminate immediately a brake applies 393
Exhaust markings indicating not for road use or similar wording 388
Full Triumph Bonneville reliability report

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BN21 SZP is a 2021 Triumph Bonneville in Green with a 1,200cc petrol engine. This vehicle has been through 4 MOT tests with a personal pass rate of 75%.

Across all 2021 Triumph Bonneville models, the average MOT pass rate is 92.9% with a typical mileage of 3,960 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Triumph Bonneville fails its MOT is tyre tread depth is below minimum requirements of 1.0mm, accounting for 907 recorded failures. If you're considering buying BN21 SZP, it's worth having these areas checked by a mechanic before committing.

The Triumph Bonneville typically stays on UK roads for around 53 years. At 5 years old, this Triumph Bonneville is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of BN21 SZP?

You can check the full history of BN21 SZP by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was BN21 SZP registered?

BN21 SZP is a 2021 Triumph Bonneville, first registered on 27 May 2021.

Is BN21 SZP safe to buy?

The MOT history for BN21 SZP shows 4 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does BN21 SZP have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on BN21 SZP. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.