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135i worse mpg than 335?
My Quick background:
2002 WRX (was great, but a bit small for a new family)
2004 Forester XT
I recently drove a new 128i and it handled quite nicely, even nicer than my WRX, although it was somewhat slow. Didn't feel much faster than my forester XT, granted my XT is a stick and the 128i was an auto.
Anyways I was surprised that the heavier 335 automatic gets 32mpg highway, a decent upgrade from my current 25mpg or so. But the smaller/lighter 135 automatic gets 25 mpg highway.
32mpg/25mpg = 28% better MPG from the same engine in a heavier car? The 135i seems unusually low. Anyone know why?
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