What is your city and highway mpg?
#31
My first three Aston Martins were Lagonda's (1984 series II, 1985 Series III and a 1988 Series IV). I was luck to get 8MPG - on the highway! From that benchmark, the Vantages are OK by me.
#32
...What determines MPG quality, is the rolling friction, and engine efficiency. this engine is not very efficient. Also the RPM range for cruise is way too high. 3000rpm at 80mph is just RPM just used up for no reason. 5th gear can accelerate you to some phenomenal speeds, and 6th should be an overdrive. However, its really about the entire gear ratio set. the rear end is WAY too high, as shown by the way too low, first gear. (no way it needs to be that short of a gear..... something like 10:1) most supercars have an 8.5:1 first gear, and that alone , by changing the rear end by 20%, you would get 80rpm RPM down to 2500rpm or so
Are there other applications that utilize this differential...perhaps offering other final drive ratio choices? I know it seems counter-intuitive to put taller gears into a performance car, but Aston appears to have significantly over-done the gearing in this case...at least for American roads. In Europe, extended cruising may be relatively uncommon, but here? They should've realized...
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sdg1871
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10-05-2015 07:05 AM