If VAG's belt drive TSi proves a long term reliable engine, I coud be tempted, so far I haven't heard any undue engine-related issues apart from the odd oil burner.
The troublesome TSi was the chain cam one and the twin charged version was the one that had a huge appetite for oil in some cars. The current TSi's share no ancestry with that engine series other than the name. Yet to read about a troublesome one and its been on sale now for over 5 years. The 3 pot is a bit newer but I understand it shares many features.
It's funny how we take 100bhp/litre power outputs for granted these days. 30 years ago, getting an engine with that sort of specific output in an everyday car would have been a major achievement.
50 bhp/litre was more the norm until the early 80's. My original Golf GTi pushed that to a heady 62 bhp/litre. Honda achieved 100 bhp/litre in the Civic type R with no turbo as did BMW with the E30 M3. Most cars that have reached 100 bhp/litre have had turbos. Even the Sierra Cosworth for all its legendary status only managed 100 bhp/litre.
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