Nothing, and this is my second TVR in a row, the previous one (an S2) I owned for 2.5 years and it only visited the dealer once for repairs.
Awesome performance, 0-60 in 4.2 seconds fast enough for you?
Don't let comments about reliability put you off, they suffer if not cared for, so go and find a clean low miler with full TVR service history and get a warranty! The usual things that fail are electrical related. The engines a well proven Rover V8 (tweaked!) and the gearbox (on newer Griffs) is a BorgWarner T-5 so there's no problem there.
Sometimes buying an older higher mileage car can have some benefits.
Teething problems have usually been fixed (at someone else's cost).
Recent parts may have been fitted and best of all, THEY ARE CHEAPER.
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