2015 Mazda CX-5 Pricing and Specs

The problem of the sump filling with diesel was not unknown on early CX-5 diesels. A leaking injector is possible, but the main cause of this was believed to be the car’s DPF regeneration process dumping large amounts of fuel into the engine, some of which finds its way past the piston rings and into the sump. Either way, a new engine is a large expense.

There’s every chance that Mazda won’t offer any help given the age of the vehicle, nor is this type of engine damage usually a cause for an insurance claim. It would definitely be worth contacting Mazda Australia’s customer service division, but don’t hold your breath.

I’m surprised that they couldn’t find the cause of the problem, but impressed that they are prepared to replace the car. I wouldn’t be too concerned about the problem happening again, but I would be upset that it will take four months for them to find you a replacement car. That’s unacceptable. I would expect them to move heaven and earth to get you a new car, after all they’ve got your money and now they’ve left you without a car. I hope that they have at least given you a courtesy car for the time you have to wait.

Kia and Hyundai are both good, with the Tucson currently ahead, but before he commits he should also drive a Mazda CX-5 as it's best in class today and gets The Tick.