My previous 1/2 ton was a 17 gmc 5.3 8 speed, the thing got great mpg Highest in mn on 55 mph roads was 24 mpg, averaged 17, pulling anything 9 to 12
my 2020 tundra with topper averages 15 see 17 quite a bit. Pulling 6x12 7 foot tall enclosed trailer if i go over 65 is around 9 to 10, keep it...