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 2016 Hyundai Tucson Diesel 1995cc has had 8 MOT tests on record, passing 7 and failing once (88% pass rate). It has 106,441 miles on the clock, averaging 10,038 miles per year, above the UK average of 7,400. The 2.0 CRDi engine is known for cp4 common-rail injection pump failure and piezo-electric injector wear and failure.
MOT & Mileage History for RK66 XXT
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Above average| Latest reading | 106,441 miles |
| Reading date | |
| Average per year | 10,038 |
| Mileage consistency | Variable |
Check RK66 XXT
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- Warranty work logged
Full MOT Test History 8 tests on record
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Reported issues for this Hyundai Tucson
These are the most commonly reported problems on Hyundai Tucson models (2010–2022), based on owner reports and workshop data across the UK.
CP4 Common-Rail Injection Pump Failure
The pump fails prematurely due to poor diesel fuel quality (contamination, water, low lubricity). When it fails, metal debris circulates through the entire fuel system, clogging injectors and the fuel rail.[1]
Piezo-Electric Injector Wear and Failure
Injectors wear prematurely, particularly if CP4 pump debris has entered the system. Injector seats foul with carbon deposits, reducing spray pattern and combustion efficiency.[1][2]
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Vehicle Details
| Registration | RK66 XXT |
| Make | Hyundai |
| Model | Tucson |
| Colour | Grey |
| Fuel type | Diesel |
| Engine | 1995cc |
| Year | 2016 |
| First registered | |
| Area code | RK — Reading, Reading |
| Age identifier | 66 — September 2016 to February 2017 |
More RK66 X plates
Browse all RK66 X registrations from Reading.
About RK66 XXT
What car is RK66 XXT?
RK66 XXT is an grey Hyundai Tucson, diesel (1995cc). First registered in Reading in 2016.
What is the mileage of RK66 XXT?
The last recorded mileage for RK66 XXT was 106,441 miles, recorded on 29 Sep 2025 during its most recent MOT test.
Has RK66 XXT passed its MOT?
RK66 XXT has had 8 MOT tests with an 88% pass rate (7 passes, 1 failure). It last passed on 29 Sep 2025.
Is RK66 XXT ULEZ compliant?
Based on its fuel type and registration year, RK66 XXT is likely ULEZ compliant. Diesel post-2015 (Euro 6). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is RK66 XXT?
RK66 XXT is approximately 10 years old. Age identifier 66 means registered between 1 September 2016 and 28 February 2017.