The McLaren 12C Spider is a spider variant of the McLaren MP4-12C. The weight is only 40 kilograms (or 88lb) more than the coupe. McLaren worked to keep the top speed at 204 mph (or 328 kph) from the coupe's 207 mph (or 333 kph). Top speed with the roof down is limited to 196 mph (or 315 kph). It features a 3.8 litre twin-turbo V8.