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2003 Mercedes-Benz CLK320 (Cabriolet) — 3.2L 6-cyl, Automatic 5-spd, RWD

At today's AAA national average price ($4.68/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.

This 2003 model was originally EPA-tested under the pre-2008 2-cycle method, which didn't account for highway speeds over 60 mph, air-conditioner use, or cold starts. When EPA overhauled the test for model year 2008, city ratings fell by about 12% and highway by about 8% on average industry-wide — and EPA retroactively adjusted every 1984-2007 rating to the stricter standard so old and new cars could be compared fairly. The MPG above is already on that modern scale — the window sticker on this car when it was new likely showed a higher, pre-2008-method number.

EPA fuel type: Premium · class: Subcompact Cars · engine: 3.2L 6-cyl · transmission: Automatic 5-spd · drive: RWD · MPG retrieved 2026-07-24.