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 2004 Toyota Yaris Petrol 998cc has had 19 MOT tests on record, passing 15 and failing 4 (79% pass rate). It has 113,700 miles on the clock, averaging 6,237 miles per year, below the UK average of 7,400. The 1.0 VVT-i engine is known for 1sz-fe and timing chain hydraulic tensioner.
MOT & Mileage History for RJ04 YKN
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Below average| Latest reading | 113,700 miles |
| Reading date | |
| Average per year | 6,237 |
| Mileage consistency | Variable |
Check RJ04 YKN
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- Service interval analysis
- Warranty work logged
Full MOT Test History 19 tests on record
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Reported issues for this Toyota Yaris
These are the most commonly reported problems on Toyota Yaris models (1999–2005), based on owner reports and workshop data across the UK.
1SZ-FE
Timing chain hydraulic tensioner
Explore more about the Toyota Yaris
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Vehicle Details
| Registration | RJ04 YKN |
| Make | Toyota |
| Model | Yaris |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 998cc |
| Year | 2004 |
| First registered | |
| Area code | RJ — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RJ04 Y plates
Browse all RJ04 Y registrations from Reading.
About RJ04 YKN
What car is RJ04 YKN?
RJ04 YKN is an silver Toyota Yaris, petrol (998cc). First registered in Reading in 2004.
What is the mileage of RJ04 YKN?
The last recorded mileage for RJ04 YKN was 113,700 miles, recorded on 12 Jul 2022 during its most recent MOT test.
Has RJ04 YKN passed its MOT?
RJ04 YKN has had 19 MOT tests with a 79% pass rate (15 passes, 4 failures). It last passed on 12 Jul 2022.
Is RJ04 YKN ULEZ compliant?
Based on its fuel type and registration year, RJ04 YKN is likely not ULEZ compliant. As a petrol vehicle registered in 2004, it typically does not meet the Euro 4 emission standard required. This is an estimate — confirm with TfL's ULEZ checker.
How old is RJ04 YKN?
RJ04 YKN is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.