Rent a new Lincoln Town Car, and beat it up! There is always the issue of any car, old or new, may break down.

I would never consider taking one of my cars on long trip, rock chips, weather, etc.,

It just makes the odds better to rent one. You have fun, she is happy, and you won't care in a couple of weeks if you run over a skunk!

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Tim
300CE
280SE 4.5
Sandals (size 11)