My Lincoln Town Car was the cheapest car per mile that I ever owned. With a few mods it was even fun to drive. Ford Crown Victoria and Mercury Grand Marquis are close relatives. They are reliable, long lasting, get good mileage if you keep your foot out of it, and can be had for next to nothing.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.