Ask the Expert: 'Why does my Audi guzzle so much petrol?' - The Telegraph

Even with Economy mode switched on, our reader's car only manages a return of 31mpg in urban driving. He asks an expert for advice

Alex Robbins is contributing editor at Telegraph Cars where, as well as responding to readers' queries, he also contributes reviews of new and used cars, together with articles on buying and selling.… [+2613 chars]

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