2009 Audi S4 skating on ice in northern Sweden. Engine is said to be a 4.2-litre V8 FSI pulling 354 bhp, just like in the S5.

Audi is testing the new S4 based on its new A4 shape, as evidenced by our pictures taken in cold northern Sweden. The four double tailpipes are typically latter-day Audi S, compared to the RS models whose signature huff pipes are oval and only add up to two.

Grille is different from the standard car with its off-colour surrounded by chrome. And what is that extra hole to the bottom left of the front grille?

Word on power is the trusted revvy 4.2-litre V8 FSI of 354 bhp/ 264kW. We sincerely hope it isn’t, that it hikes power up to over 390 bhp. This would make more sense since the next RS 4 will probably hit the 500 bhp mark. Audi S4 will be offered in sedan and Avant for 2009.

Gallery: New Audi S4 Spied in Northern Sweden