I'm getting ~29mpg calculated average. Probably 50/50 city highway split.
I only run Chevron; last time I filled up with Shell it seems like it ran a bit rougher. And the shell was advertised as "premium diesel."
I haven't tried BP yet. Cetane ratings are apparently all over the place in US diesel; and the only "authoritative" source for cetane ratings always goes back to some list a few years ago on tdiclub.
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2014 Tesla Model S 85kwh
Previous cars:
2011 335d / Deep Sea Blue / Saddle brown / sport / premium
2008 BMW 135i / 6MT
2002 Z06 Corvette
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