2015 Dacia Duster with unreliable mileage and a write-off record

This 2015 Dacia Duster Signature 1.5 dCi 110 drove well, started cleanly from cold and had four new tyres. The paperwork description reads 4X, and one history report expands that to four wheel drive, but the car is front wheel drive. The findings that decided the verdict were not about how it drove: a mileage record that does not hold together, a write-off record and a large body repair on the passenger side rear.

The car

The Duster uses the 1,461 cc K9K turbo diesel with 110 bhp and a 6-speed manual gearbox. This one was first registered in Ireland in 2015 and had five owners including the current one, with two trade sales just before the most recent sale in November 2025. The seller said it had been used as a working vehicle. There was no service book, the NCT was current to November 2027 and the motor tax had expired in October 2025.

What we found

The mileage cannot be relied on

The odometer read 145,362 km, and three control modules agreed with it. Agreement between modules does not prove a reading is genuine, and the recorded history did not hold together:

• The National Mileage Register held 62,318 km in December 2017 and 61,142 km in June 2018. A car cannot lose 1,176 km, and one history check flags a mileage discrepancy for that reason.
• The register held 144,944 km in August 2025 and 145,000 km at the NCT in August 2026, just 56 km in twelve months, while the seller said the car was used for work in that period.
• The expected figure for a car of this age and type was 214,042 km on one history check, with a model average of 184,250 km on the other.

The report concludes there is evidence of mileage manipulation. Our inspector's own estimate, based on the wear seen and the history, is that the true figure is likely to be close to 200,000 km. That is an estimate, and the true mileage should be treated as unknown.

Write-off record and a large rear repair

One history check records the car as a write-off, with damage alerts in late 2017 and mid 2025. The other recorded no damage. On the car, the passenger side rear quarter had been damaged and repainted from the roof line down to the rear wheel arch. The paint gauge could not return a usable reading across the area, consistent with a substantial thickness of filler. This is a structural area on this body, and the write-off documentation had been requested but not supplied.

Heavy steering

The steering was noticeably heavy on the road test, most obviously at low speed. The power steering module held a recorded fault on the assistance motor circuit, which is consistent with what was felt. The possible failure is a sudden loss of assistance while driving. The codes were cleared before the drive and no scan followed it, so a re-scan is needed.

Smaller points

A fuel temperature sensor circuit code, four tyre pressure codes consistent with new tyres not being re-initialised, and front brake discs about half worn.

What it would cost

The report put the total at €720 to €1,970. That covers a body shop assessment of the rear quarter at €100 to €200, steering diagnosis and repair at €120 to €800, a re-scan, the fuel temperature sensor circuit, a tyre pressure reset and front discs and pads when due. No repair can fix the mileage record or the write-off.

Our verdict

Fail, do not purchase in current condition. The report is clear that the car is mechanically sound: the engine and gearbox were dry, the turbo pulled strongly, gear changes were smooth, the engine data was clean with no sign of fuel in the oil, and the ABS and airbag modules returned no faults. The timing belt and water pump appeared recently replaced, supported by physical evidence, though there was no paperwork. The fail rests on things condition cannot fix: unknown mileage, a write-off record and a heavily filled structural repair.

Buying a used Duster in Ireland: what to check

• Confirm whether the car is a 4x4 or front wheel drive on the car itself. The model description can be read either way.
• The 1.5 dCi is an interference engine, so a failed timing belt normally destroys it. Ask for proof of when the belt and water pump were done.
• Injector and fuel system faults are a known issue on this engine. Watch for hesitation or shudder under load.
• Particle filter blockage is a known issue with short urban use, so ask how the car has been driven.
• Look for corrosion, which is listed as a known issue on earlier cars.

A car can drive well and still be the wrong buy, and only the mileage record, the history and a paint gauge together show the full picture.