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 17 MOT tests on record, passing 14 and failing 3 (82% pass rate). It has 139,776 miles on the clock, averaging 9,091 miles per year, above 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 RN04 KJJ
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
Above average| Latest reading | 139,776 miles |
| Reading date | |
| Miles last year | 21 |
| Average per year | 9,091 |
| Mileage consistency | Variable |
Check RN04 KJJ
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 17 tests on record
Similar cars to consider
Buyers comparing the Toyota Yaris often also look at these models. Check their MOT history and reliability before deciding:
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
Thinking about buying this car? These resources will help you make an informed decision.
Vehicle Details
| Registration | RN04 KJJ |
| Make | Toyota |
| Model | Yaris |
| Colour | Silver |
| Fuel type | Petrol |
| Engine | 998cc |
| Year | 2004 |
| First registered | |
| Area code | RN — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RN04 K plates
Browse all RN04 K registrations from Reading.
About RN04 KJJ
What car is RN04 KJJ?
RN04 KJJ is an silver Toyota Yaris, petrol (998cc). First registered in Reading in 2004.
What is the mileage of RN04 KJJ?
The last recorded mileage for RN04 KJJ was 139,776 miles, recorded on 21 Jul 2020 during its most recent MOT test.
Has RN04 KJJ passed its MOT?
RN04 KJJ has had 17 MOT tests with an 82% pass rate (14 passes, 3 failures). It last passed on 21 Jul 2020.
Is RN04 KJJ ULEZ compliant?
Based on its fuel type and registration year, RN04 KJJ 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 RN04 KJJ?
RN04 KJJ is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.