£3000-£8000

X300 XJR

Adding an Eaton supercharger to the AJ16 engine liberated 326bhp with a commendably flat power curve and a delightful if discreet whine which revitalised Jaguar’s performance image. Ironically, the XJR was expected to be a niche model selling just a couple of hundred but between 1994 and 1997, 6547 were sold.

BODY

There’s no bodily difference between an X300 XJR and any other X300, so the trouble spots are the same. Check the sills and wheelarches for any signs of corrosion, as these are the worst areas. They can rot in the bulkhead too, but this is relatively rare. If you can get underneath, check the condition of the rear subframe mountings and the radiator mount panel, as these can corrode away to nothing alarmingly quickly.

ENGINE

It’s an AJ16, which means it’s one of Britain’s most reliable engines – and the supercharger doesn’t compromise that. Make sure the supercharger oil has been changed, and check the condition of the MAF sensor as these are no longer available new for the XJR. Throttle bodies can accumulate gunge, leading to throttles sticking