Independent garages vs. franchised dealerships the pros and cons, More car warranty news, information and advice at The Car Expert, The Car Expert wins Best Automotive Website 2022. An honest assessment of the car brand. They are both higher than Renault, but not by a huge amount. Related: Heres What Makes The Nissan Skylines RB26DETT An Iconic JDM Motor. So overall, consumer surveys are an accurate way of determining how reliable a car is. Renault 1.5 DCI Engine: Is the K9K Engine Efficient or Problematic? The Oldsmobile 5.7-liter V8 diesel engine, produced in the late 1970s and early 1980s, has gained a reputation as one of the worst engines in automotive history. To further improve engine efficiency, the H5Ht was equipped with a variable displacement oil pump. When he is not writing about cars, catch him tinkering with his old motorcycle. 1 Best GM Engine: Buick 3800 V6. So if you are looking for a reliable car, then you can look at any of these brands, but if you are looking for the most reliable, then a Renault or a Peugeot would be the way forward. But the M57 diesel engine says otherwise. In turn, the 8- or 16-valve head affected the power. The 1.5 dCi / 1.9 dCi engine from the initial production phase, or more precisely their problems with the power system, bushings and turbochargers, seriously damaged the image of Renault. Known to be the predecessor of the B series engine, the K series came to life in 2001. Renault 2.5 DCi G9U Engine Problems And Reliability - AutoSpruce.com Also, Renault cars are designed to be affordable, which means that they dont necessarily have a huge amount of new technology in them. ReliabilityIndex is also very accurate, and it is also good for comparing brands because they have a huge amount of makes and models on there to compare reliability. The engine combined all modern technology for today available in the low-cost market segment. How reliable is Renault? An honest assessment of the car brand