Fuel Saving Tips: Drivers are told to use the highest gear possible to increase fuel efficiency

Optimum fuel economy speed will be different for every car and vehicle.

When the RAC completed its road trip record in the Audi A6 Ultra, that particular car’s optimum fuel economy speed was 52 mph in seventh gear on the flat.

While there is an ideal speed, road conditions and grades will often mean that road users are unable to drive at their optimum speed.

Motorists have to use hypermiling techniques, improvising and adjusting their driving according to the road ahead.

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