I can't believe I'm even considering this but...
She drove a 74 Dart slant six for quite a few years. Her Dakota has 376,000 miles on it and it's still going strong. It aint that, I'm wanting a diesel car for the mileage, she wants a nice vehicle for the weekends. VW is the only manufacturer selling a diesel in a car these days here. She'd be happy with a Grand Cherokee, but that isn't any better than what we have now as far as fuel mileage goes.