Audi's big executive saloon has gone electric without abandoning many of the brand characteristics which made the combustion version so popular with well-heeled customers.It is the first regular ...

The all-electric A6 has been launched in two versions: a coupe-like Sportback and the Avant estate, carrying a £1,800 premium ...

General Motors' LS4 engine has long been known to have a number of issues - here are the biggest problems owners have ...