Jeremy Clarkson learns how to drive slowly in an Audi A8 powered by a 4.0 litre V8 turbodiesel engine.

He puts the car through the challenge of going from London to Edinburgh and back to London again on a single fuel tank of 72 litres (19 gallons). That’s 1287km (800 miles). And he manages to do it. That’s RM92 for 1297km of mileage.

A little performance stats – this Audi A8 is a generation older than the current version and it’s 4.0 TDI twin turbo V8 engine makes 275hp at 3750rpm and 650Nm of torque between 1800 and 2500rpm in classic diesel style. It can do the 0-100km/h sprint in 6.7 seconds.

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