Well for the 2004-09 models I would not trust the engine past 80k. I took perfect care of mine and the engine went out at 68,000 miles. The 2010 like the one pictured have added another oil injector to fix the current apex seal problem. Now just a simple upgrade on the apex seals from a known company and you could have a very reliable engine, but not the 04-09 ones I just sold my RX-8 yesterday actually. Power to weight ratio, and power to size ratio is amazing with the rotaries that is why the LeMans series outlawed them after they won the 24 hours in superb fashion. When built correctly (not mass market) they are incredible engines and are SO EASY to rebuild with only 2 moving parts, but if you are not mechanically inclinded or a "car person" I would pass on the RX's.