When judging future collectables, it’s sometimes hard to predict what will be a classic and what won’t. But, it’s a safe bet that halo cars in general will remain the most valuable. Audi re-introduced and re-imagined itself to the world with the introduction of its first halo car, the Quattro. Almost 30 years later, Audi once again re-imagined itself, thanks to acquisitions such as Lamborghini. Whereas the original moved turbocharging and all-wheel drive to the masses, the R8 instead took supercars to a new tier. A celebration of their many wins at Le Mans by the race car of the same designation, the R8 was initially powered by the spectacular 4.2 FSi V8 from the RS4. Later Audi developed its own version of the 5.2 V10 whose sound channeled the original Quattro, and the final development was the introduction of the Spyder model. With slightly revised bodywork – including the removal of the polarizing “blade” the coupe has – the R8 V10 Spyder is a compelling alternative to the 911 Turbo Cabriolet and truly offers supercar-level performance at a relatively budget price: