Any 25yo+ car thats either clean & original or heavily worked (esp Toranas, GT's & BMW 3.0CS's)
4.2 or 3.8L Series I Jaguar E-Type's before they became fat & ugly for the US market.
Any BMW with M or Alpina in its title.
Any car where it is obvious that performance is first & everything else is a comprimise such as Lotus 7 replicas, Italian supercars, etc.
Any car that looks reeeal hard to control on boost
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