The price cuts from BMW have seen the 2016 M3 sedan drop to $139,900 plus on-road costs, while the M4 Coupe starts at $149,900 and the M4 Convertible is now $161,900. By comparison, the older Audi RS4 Avant is $151,010, while its RS5 Coupe and Cabriolet stablemates are priced at $157,510 and $177,510 respectively.
For a little extra clarity, the all-new Mercedes-AMG C63 sedan costs $154,900, and the Estate version starts at $157,400.
The new Audi A4 will arrive in Australia next year, and an RS4 version - potentially in both sedan and wagon body styles - should hit some markets in 2016, too.
Audi Australia general manager of corporate communications Anna Burgdorf suggested the brand isn't looking to do much with the current RS4 as that model nears its end, but the brand is doing deals on run-of-the-mill A4 models (from $64,990 drive-away) and the A5 coupe, too ($75,990 drive-away).
"We always keep an eye on what's happening in the market," Burgdorf said.