Weight vs gas mileage?
I'm sure this question has been asked many times but I did a search and didn't find much. Looking at small TT the weight difference between 18-19 ft TT's and 21-22 ft TT's is about 800 lbs. 2600 vs...
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For several years I towed a 24' KZ Spree with an '06 Chevy Silverado and later with an '05 Avalanche - same engine, same 3.42 axle ratio, same wide ratio 4 speed transmission in both ... the Spree typically averaged ~ 5500 lbs loaded and ready to camp, gas mileage towing with either vehicle was the same, ~ 10.5 miles to the US gallon, occasionally on flat terrain with little wind I'd sometimes see low to mid 11s. With that same Avalanche I now tow a 19' Freedom Express is ~ 1000 lbs lighter, ~ 4500 lbs loaded and ready to camp ... mileage on average is slightly better as I frequently see 11.5 mpg, occasionally up into the low to mid 12s under ideal conditions. Bottom line - any difference isn't worth worrying about, buy the camper that best suits your needs and when towing any trailer travel consider anything you may achieve beyond 10 miles to the US gallon as a bonus.
