My first car was an Austin A35 Van in grey like the Wallace and Grommit one.
My second car...
1966 Morris Mini Minor
849cc, fitted with the following extensive improvements to its performance...
Two white stripes of tape on the bonnet for increased speed, special grill with additional lights, Peco exhaust with large single pipe for extra noise and power, rev counter in front of the driver - visible through the steering wheel, special bracket to lower the steering wheel towards the driver, Dunlop Groundhog radial ply tyres, centrifugally feathering engine fan to reduce drag and increase power at high revs, large stromberg carboretter for increased power and fuel consumption.
Maximum speedometer reading (wildly optomistic) 90 mph