7. Porsche 911 996
When the 996 generation of 911 debuted in 1998, most Porsche purists were shocked. Their beloved car lost one of its defining characteristics: air cooling. The reason was simple, air cooling wasn’t interesting since it could no longer cope with the rising power of the engines and demanding engineering of Porsche cars. The engines had to use regular water cooling, which is far more efficient (via Porsche).
It was so good, they used water cooling throughout history. Some say the 911s lost some appeal, but it was a smart move because it allowed Porsche to develop the car even further. Whatever the truth, the reality is the 996 is still a great car you can buy for just a fraction of the original sticker price. But if you like the flat-six engine and unmistakable 911 shape, you should look for one right now.