Taco Cowboy (5327) writes "A research carried out by UK consumer magazine What Car? which concluded that official manufacturers’ MPG figures are unrealistic.
Based on the research new car buyers in the UK who trust official, government-sanctioned fuel economy figures will pay an average of £1,000 (€1,216) more than they expect on fuel over a three-year period.
Since launching True MPG two years ago, What Car? has tested almost 400 cars in real-world conditions, using cutting-edge test equipment and achieving economy figures that are on average 19% lower than the government figures."
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