I was just quoted 5000 dollars to fix my 2017 equinox, apparently there’s a design flaw in the equinox ecotec engine and the dealership wanted to replace the pistons and timing chain, I doubt this will fix the issue as they barely knew what the issue was the first time I brought it and kept claiming its fine. I don’t want to gamble 5k on a car that’s worth about 11k without the issue. I spoke to another mechanic who claimed I can clean the pcv system and keep topping it up with oil and he recommends I just do an engine swap because it could break down as its my wifes car id rather not have her stranded. cheapest price I found was 6800 for engine replacement but that seems ridiculous, I really don’t want to be a dirt bag and sell it without disclosing the issue but everyone keeps telling me to and morally I really don’t want to but I’m out of options besides dropping 7k on the car.
It’s an equinox, these things are known to have issues. There is enough info available that I would feel no reason to disclose anything during a sell. I would consider this normal operation for the vehicle, more or less. Definitely can’t feel bad if you decide to sell to a dealer as a trade-in on a new ride.