I've yet to see a failure. 2 of the documented failures were just plain abuse. The first link was a guy that swapped cams and didn't install them right or did I read that wrong? The second one was a blown head gasket likely cause by running it out of coolant with a damaged radiator. Loren over revved the hell out of his. Rocketship had a blown head gasket.
Overseas Foama keeps getting carbon buildup on his valves. He has a 1.0L
There have been a bunch of engines replaced under warranty due to knocking. This is really the only real issue I've heard of. Mine is a little clattery and annoying. It'll likely last another 200,000km or so and not change much. I believe the earlier 2014-2015's were the ones mainly affected and mostly ones that see cold weather. Cold starts and overfuelling in the winter would wash out the cylinders and thin out the oil. There has been recalls to reflash the ecm to fix that years ago. I've yet to replace an engine or have a need to open one up. I'm not sure how long the timing chain and tensioner or guides are gonna last? Probably no point in changing them in a 450,000km car. Might as well drop in a different engine if your gonna go through that much trouble.
Mirage videos:
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View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 37.7 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.3 mpg (Imp)