7k-Mile 1991 Porsche 911 Turbo This 1991 Porsche 911 Turbo was specified with a limited-slip differential and finished in black over a black leather interior with gray piping. Showing 7k miles, the car was purchased by the current owner in 2023 and is powered by a turbocharged 3.3-liter flat-six paired with a five-speed manual transaxle. It rides on 18″ Speedline wheels and features a power sunroo...