Is the Renault 1.5 dCi engine reliable?

Yes, when its oil changes were done on time with the specified oil. The crankshaft bearing failures that gave it a bad name mostly hit older, neglected engines, so the service history matters more than the mileage.

Do Renault Blue dCi engines need AdBlue?

Yes, Blue dCi engines have an AdBlue tank that needs topping up between services. Ignore the warning and the car eventually will not restart, so check the system shows no faults.

Is a Renault diesel worth it for mostly short trips?

On short trips the particulate filter and EGR valve of a Renault dCi tend to clog. It pays off mainly for drivers covering long motorway distances, where it is frugal and the filter regenerates.

Cars

Used Renault diesel cars in Portugal

Found 4,551 cars

From €500 to €59,990, half under €11,900 · Typically 2017 with 165,000 km · Most listed: Renault Megane, Renault Clio, and Renault Scenic. The 1.5 dCi powered almost the whole Renault range, from the Clio to the Kangoo, while the 1.6 and 2.0 dCi serve the Trafic and Master. Newer Blue dCi engines use AdBlue, and on short urban trips the EGR valve and particulate filter are what to check.