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new cars have better fuel economy and that's for sure! because us set the emission bar for 2020 or 2015, so everyone is trying to get within that requirement. w+ o4 V/ x7 v) b7 b- l0 w7 N
it was a 2006 GM SIERRA a real gas guzzler
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new cars have better fuel economy and that's for sure! because us set the emissio ... % `- M9 |% @. f z3 J- O亮甲店 发表于 2011-12-8 15:14
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sorry i mean new car as in terms break-in period, any fuel mileage difference...?