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Gm 6.0?
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<blockquote data-quote="Trickymissfit" data-source="post: 886367" data-attributes="member: 25383"><p>The 6.0 will get you about 18mpg on the highway at 70mph with the air turned on. My brother inlaw had one for several years and saw about 15mpg towing a trailer. Yet a lot of gas mileage is how the end user drives. Your in the hill country and the mileage drops, but your in the flat lands and the mileage increases. My next door neighbor had a Yukon with that engine and claimed twenty on the highway! </p><p> </p><p> I had a 6400lb. half ton with the 5.3 engine, and it got about 19.5 on the highway. Had I added a camper shell like my brother inlaw, it would pick up another two mpg. </p><p> gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 886367, member: 25383"] The 6.0 will get you about 18mpg on the highway at 70mph with the air turned on. My brother inlaw had one for several years and saw about 15mpg towing a trailer. Yet a lot of gas mileage is how the end user drives. Your in the hill country and the mileage drops, but your in the flat lands and the mileage increases. My next door neighbor had a Yukon with that engine and claimed twenty on the highway! I had a 6400lb. half ton with the 5.3 engine, and it got about 19.5 on the highway. Had I added a camper shell like my brother inlaw, it would pick up another two mpg. gary [/QUOTE]
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