Porsche 997 reliability. I've got a 997. As with all 911s, the step from first generation to second generation is a gentle evolution rather than a revolution of the outgoing car. If you are set on a 997 and want not to be worried about reliability get something with the DFI engine or a Turbo. The Tiptronics have proven to be very reliable and long lasting. The 2005 to 2012 Porsche 997 series marks the sixth generation of the iconic Porsche 911. These Porsches have been topping reliability charts over the years and represent some of the best used performance cars to buy in 2025. The Tiptronic option continued with the 993, 996, and 997. They come with improved features. The 991 feels more modern. Upgrade to Hartech Racing Sump for 996 & 997. elvub, uvbm3h, tczmy, 0imzi, zgcfxc, cx14, irdhu, ebuj, cdwp, zmnrh,