10 cars you don't want during a gas crisis

With its distinctive styling and unusual sophistication, the high-performance version of the durable SL convertible hardtop two-seater will get you front-row valet parking from Monterey to Miami. You'll also become well-acquainted with the owner of your local service station. The $140,000 SL63 packs a 518-hp V-8 and is rated at a mere 12 mpg city/19 mpg highway.

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