Mazda RX-7 Series 6-8/ RX8/ Cosmo
Despite other car markers’ lack of interest, Mazda refused to give up on the rotary engine and endowed the world with some pretty exciting performance cars as a result. Of the twin-turbo RX7s available today, only Series 6 cars were delivered new to Australia. These sell at $22-30,000 but watch for rare SPs which could make $100K. Among the imports, $45,000 is now the going rate for a really good Spirit R or lightweight ‘Bathurst’ Series 8. Service history can be sketchy. The 20B Cosmo with its tri-rotor engine is a mite risky as well and even in Japan values can surge and plunge without warning. For a family car that looks good and performs well, an RX8 at just $10,000 makes good buying.
RX7 Ser. 6 1992-96 $27,490  RX7 Ser. 7 $28,375  RX7 Ser. 8 $41,275  RX8 2003-07 $9335  Cosmo 20B $25,000