If you were a gentleman racer over the best part of the past decade and a half, there was only one natural choice for your steed; the Porsche 911 GT3 Cup car was, and still is, the most popular choice for factory supported full race cars to buy brand new. But we can thank the success of the Cup formula for an entirely new lineup of racers, from the Lamborghini Super Trofeo to the track-oriented Laguna Seca Mustangs. In the FIA mandated GT3 field, the advent of the Pro/Am designations have similarly diversified the field from the standard Porsches to new entrants, from the seemingly outrageous Bentley Continental GT3 to the Aston Martin Vantage GT3. But while those names may seem like newcomers on the international circuits, the reality is that both the heritage of Bentley and Aston Martin lay exactly with those gentleman racers. No, the real newcomer to the block is the Audi R8; a name steeped in Le Mans history but a chassis built for the street, the GT3 effort resulted in the popular and sonorous R8 LMS Ultra, as Audi shifted its focus from showcasing quattro all-wheel drive in racing to the lightweight technology incorporated into the new mid-engined racer: