The crowds cheered as John Towers rolled up in his green Rover 75 at the main entrance to Birmingham's Longbridge car plant. The cameras clicked as a flute of champagne was thrust into his hand.

The OCTA is the most powerful Defender in the car’s 75 year history, with Land Rover sourcing its 4.4 litre V8 from BMW – but the OCTA isn’t Land Rover’s only car with this engine.