"I can imagine an SRT with diesel if it could deliver the essential five points of an SRT vehicle: a gorgeous exterior, awesome power, a performance-orientated interior, great braking and excellent ride and handling."

A recent visit to Europe convinced him that there would be no problem with any of the above. He said: "The torque of the Grand Cherokee 3.0 V6 CRD is unbelievable, it gives the impression of so much power. I drove a Mercedes E320 CDi with the 3-litre diesel V6 home and it was one of those cars where you deliberately catch the red lights so you can accelerate away!"