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 Jaguar Xj Petrol 3555cc has had 20 MOT tests on record, passing 13 and failing 7 (65% pass rate). It has 164,936 miles on the clock, averaging 8,345 miles per year, around the UK average of 7,400.
MOT & Mileage History for RN04 GZY
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
About average| Latest reading | 164,936 miles |
| Reading date | |
| Miles last year | 1,189 |
| Average per year | 8,345 |
| Mileage consistency | Variable |
Check RN04 GZY
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- Service interval analysis
- Warranty work logged
Full MOT Test History 20 tests on record
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Vehicle Details
| Registration | RN04 GZY |
| Make | Jaguar |
| Model | Xj |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 3555cc |
| Year | 2004 |
| First registered | |
| Area code | RN — Reading, Reading |
| Age identifier | 04 — March 2004 to August 2004 |
More RN04 G plates
Browse all RN04 G registrations from Reading.
About RN04 GZY
What car is RN04 GZY?
RN04 GZY is an black Jaguar Xj, petrol (3555cc). First registered in Reading in 2004.
What is the mileage of RN04 GZY?
The last recorded mileage for RN04 GZY was 164,936 miles, recorded on 25 Oct 2021 during its most recent MOT test.
Has RN04 GZY passed its MOT?
RN04 GZY has had 20 MOT tests with a 65% pass rate (13 passes, 7 failures). It last passed on 25 Oct 2021.
Is RN04 GZY ULEZ compliant?
Based on its fuel type and registration year, RN04 GZY 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 GZY?
RN04 GZY is approximately 22 years old. Age identifier 04 means registered between 1 March 2004 and 31 August 2004.