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I feel I should comment on this thread..
I've just bought a saab similar to the one the OP is discussing.
A couple of observations/points to make
1. The SID (onboard computer) offers BOTH Average and instant MPG
2. Even the 185bhp engines have a compression ratio of 8.8:1 (not particularly low for a turbo engine, infact similar to the m20 6pot 12v NA lump in my old BMW's)
3.I dont believe the OP is claiming that his FE figure is representative-merely reporting his findings on this ONE trip.
4. I'm currently baselining my car, and hope to have a figure available within the next week- currently its looking like 40mpg UK (33mpg US) with no EOC.
Certainly, its worth taking all figures published with a pinch of salt, but there will never be a shift in attitude of the general public if us ecomodders cant support each other!
Thankfully the OP is not selling a "Snake oil" additive etc.
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