I drove a 91 300D for over 140,000 when it got totalled. Loved that car and couldn't imagine replacing it. I now have the 6 turbocharged (98 300E td) and it is a whole other vehicle. So much more pep and responsiveness. The newest CDIs are even more incredible.

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1991 300D 172,000 (totaled)
1998 E300 Turbodiesel 82,500