996 GT3 (gen 1)
It’s perhaps not a surprise that the earliest cars are also the cheapest, but they still go very well thanks to a 3.6-litre engine with 354bhp (gen 1) or 374bhp (gen 2) outputs. With proper maintenance these cars wear their miles well, but be very careful: quite a few have been crashed and rebuilt and most have been used hard on track. Many have been modified. Look for signs of neglect, particularly under the car, where suspension can be deranged by being clouted over circuit kerbs.