Gas milage?

GMC
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SNIPE1
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I'm trying to find out does GM offers any trucks that have great gas milage like my 2 buddies 1996 Z-71 4x4 Silverado 5.7 they get 25-28mph, I have a 1998 Z-71 4x4 Silverado 5.0 and get 18 mph :evil: . I need to know why does the bigger moter get better gas milage. Is the gearing different? I was thinking about buying 2003/4 Silverado or Avalanche with the 5.3 but I'm scared of the gas milage. Is there a difference in the "Z-71" package?

All I do is hunt and fish and cant afford the gas bill.
Thanks

D.
Feb 7, 2006 at 7:58 AM
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2CARPRO JACK
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the 5L engine was a mistake in my eyes. Poor power and economy. The new 5.3L engines are nice, small bore for economy, a little more rpm's than your friends 350's. Z-71 is mostly suspension
Feb 7, 2006 at 5:51 PM
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SNIPE1
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So are the trannys different? How is the 5.3 gas milage?
Feb 8, 2006 at 6:42 AM
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NOS155
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if u want good mileage for a chev pickup id go with 1996 or newer seeing they are the nice vortec engines which get good mileage. 25-28 mpg seems a bit unrealistic to me but 21 mpg is posible on the highway with these engines. i own a 1995 Z71 with the older version of the 350 and i get about 275 miles to a tank of gas which is worth getting rid of if you like your truck.
Apr 30, 2006 at 4:47 AM