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297 Posts
Personally, I think that any modern car that is well taken care of can last a long time. As for how long, I'm not really sure, but I'd say that you could probably expect the 1.4T to be reliable for 200,000 miles or more as long as it was well taken care of. For comparing it to GM's 3800's, I'm really not sure. My sister has an '04 Monte Carlo with the L67 in it. However, it has less than 45,000 miles on it. Although, I can say that in those 45,000 miles it hasn't had any issues. I've read too about how tight the tolerances are and the low friction pistons in the 1.4T, so take care of it, and I'm sure it'll keep going for a long time 
