Like its larger S6 TDI and S7 TDI counterparts, the Audi S4 has adopted a diesel engine – at least in the European market. Strange move? Perhaps, but with diesel still a popular choice in this ...

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Audi infamously stuck fully blocked plastic pipes (all four of them) on the diesel-powered S4, S6, and SQ5, with the real exhaust tips hidden under the rear bumper. Thankfully, this isn’t the ...

A 2.0-liter TDI Clean Diesel is now offered on the United States spec version ... The seven-passenger interior of the Q7 has also been reworked for 2010 for greater comfort. A new Audi S4 arrives for ...

Understated almost to the point of anonymity, the S4 is the mid-level performance version of the Audi A4 saloon ... petrol V6 for the new mild-hybrid V6 diesel for the first time.