Manitoba Knowledge Test Coach
Safe drivingQuestion 307 of 310

How much more fuel can a car use at 120 km/h than at 100 km/h on a highway?

  1. Up to 2 per cent
  2. Up to 5 per cent
  3. Up to 50 per cent
  4. Up to 20 per cent
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Correct answer: Up to 20 per cent

A higher speed makes the engine use more fuel, by up to 20 per cent here.

Source: Driver's Handbook (Manitoba Public Insurance, February 2026), Fuel efficient driving techniques, page 126

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Questions last reviewed: 18 October 2026