XJ6 & XJ12 Series I, II & III 1968-1992

Realistic Mileage for 85 XJ-6

 
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Old 08-08-2007, 07:32 AM
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Default RE: Realistic Mileage for 85 XJ-6

that's about right for city driving, and ethanol is not exactly blessed with high mpg properties. You can use 87 octane and be fine. Also don't rely totally on those "trip computer" readings, those numbers are mostly "averages", not 100% accurate.

There are three specific items you can replace in the 1985 tosomewhat improve mileage, but they cost money so it's a balancing act between expenses and expected savings.

 
 
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