I've owned my '93 for 7-1/2 years and have never checked the mpg. Vacationed in Florida for a few days and checked my mileage for giggles to and from the airport which was all highway. 222 miles round-trip at 72-74 mph with a few long hills. Only an 80-Series owner would be okay with the number below. I'm going to round up to 13.1828980. 
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