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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. $ j( K! _. w1 \% B; G8 ^$ K! G
it was a 2006 GM SIERRA a real gas guzzler
& c+ S0 [( m/ N9 d3 Y) Y0 w new cars have better fuel economy and that's for sure! because us set the emissio ... / P) }+ g' S; L6 {# r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...?