The Audi R8 uses a naturally aspirated 5.2-litre V10 engine that produces 533bhp or 602bhp in the R8 Plus. The Audi R8 has a fabric roof that can be put up or down in 20 seconds at speeds of up to 31mph. Black 20-inch alloy wheels are an optional extra but they look great. The Audi R8 Plus is 25kg lighter than the standard model and does 0-62mph in 3.3 rather than 3.6 seconds The Audi R8's rivals include the convertible versions of the Lamborghini Huracan, the Jaguar F-Type and the Mercedes-AMG GT The R8 has Audi's quattro four-wheel drive system for extra grip The Spyder’s dynamic steering system means the car corners precisely and accurately. These 20-inch alloy wheels are optional on the Audi R8 Plus. LED laser headlights are also optional and enhance the overall appearance of the car, as well as being brighter. The Audi R8 Plus features a number of extra carbon fibre parts, which has helped with weight reduction.