Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2001 Suzuki Swift Petrol 993cc has had 18 MOT tests on record, passing 11 and failing 7 (61% pass rate). It has 39,513 miles on the clock, averaging 96 miles per year, well below the UK average of 7,400. The 1.0 G10A engine is known for 1. head gasket failure (cooling system stress) and 2. cooling fan relay failure. Common Suzuki Swift issues include 1. rear suspension trailing arm bushes (all body styles) and 2. body rust.
MOT & Mileage History for AO51 BYY
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 39,513 miles |
| Reading date | |
| Miles last year | 11,788 |
| Average per year | 96 |
| Mileage consistency | Variable |
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Full MOT Test History 18 tests on record
Reported issues for this Suzuki Swift
These are the most commonly reported problems on Suzuki Swift models (1984–2003), based on owner reports and workshop data across the UK.
1. Rear suspension trailing arm bushes (all body styles)
Rubber bushes on rear trailing arms crack and split from age/UV/road salt. · Typical repair: £150-£300 (bushes £40/set, 2-3hrs labour indie garage).
2. Body rust – sills, wheel arches, jacking points (all body styles)
Thin factory galvanising fails, rust bubbles/perforates from UK winters/salt. · Typical repair: £400-£1,200 (patch panels/welding, depends on extent).
3. Door lock mechanisms/central locking (all body styles)
Plastic gears in locks wear/strip, barrels seize from dirt. · Typical repair: £80-£200 per door (new barrels/gears cheap, 1hr labour).
1. Head Gasket Failure (Cooling System Stress)
Head gasket fails after prolonged overheating events, typically allowing hot combustion gases to leak into the cooling system.[1]
2. Cooling Fan Relay Failure
Electric radiator fan stops operating, leaving the engine prone to overheating during acceleration or sustained driving.[1]
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Vehicle Details
| Registration | AO51 BYY |
| Make | Suzuki |
| Model | Swift |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 993cc |
| Year | 2001 |
| First registered | |
| Area code | AO — Norwich, Anglia |
| Age identifier | 51 — September 2001 to February 2002 |
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About AO51 BYY
What car is AO51 BYY?
AO51 BYY is an silver Suzuki Swift, petrol (993cc). First registered in Norwich in 2001.
What is the mileage of AO51 BYY?
The last recorded mileage for AO51 BYY was 39,513 miles, recorded on 11 Oct 2017 during its most recent MOT test.
Has AO51 BYY passed its MOT?
AO51 BYY has had 18 MOT tests with a 61% pass rate (11 passes, 7 failures). It last was tested on 11 Oct 2017.
Is AO51 BYY ULEZ compliant?
Based on its fuel type and registration year, AO51 BYY is likely not ULEZ compliant. As a petrol vehicle registered in 2001, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is AO51 BYY?
AO51 BYY is approximately 25 years old. Age identifier 51 means registered between 1 September 2001 and 28 February 2002.