Safe and Economical Driving
In a petrol engine, at what engine speed is it best to change to a higher gear to save fuel?
- A Between 1,000 and 1,500 rpm
- ✓ Between 2,000 and 2,500 rpm
- C Between 3,500 and 4,000 rpm
- D Above 5,000 rpm
Why this is the correct answer
In petrol engines it is best to change gear between 2,000 and 2,500 rpm; in diesel, between 1,500 and 2,000 rpm. Shifting up early reduces consumption.
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