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1999 STS - diamond white
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5,190 Posts
Discussion Starter · #1 ·
I have no problems to report. We took a 1400 mile round trip to San Antonio and back to Wichita and had a pleasurable drive in the STS. These cars are sooo sweet on the open road.

Had to use the A/C in the 85-90 degree weather down there and turned on the heat when we came back to snow flurries in Kansas. Doing 80mph most of the way I got 26-27 mpg. On the way back the headwind dropped it to 24-25mph.
 

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Registered
1999 STS - diamond white
Joined
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5,190 Posts
Discussion Starter · #4 ·
thu said:
26 mpg is friggin' awesome. Is that the computer number or your own calculation?
That's the computer. I reset it just before the trip.
I don't even bother with the old tank refill method anymore.
 
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