New tow rig. GM 10 speed
Not a long term review, obviously, but just got a new company truck. 5.3L Chevy 1500 with the 10speed auto. This slushbox appears to work seamlessly, it's intuitive on up and downshifts. Sh...
Forum Discussion
LITEPHIL wrote:
My 2019 RST 5.3 8speed gets a solid 21-22 on the highway and around 15-16 around town. So I'd bet the small lift with the little bit bigger tires drops it a tad. I was thinking about getting the trailboss later this year for the ten speed but I may hold off.
I recall seeing 18mpg highway in the 2019 5.3 8 speed I drove for a while. Was in the mountains of southern BC and not driving terribly fast.
Generally my mileage is on the low end of most claims. I drive like gas and tires are free most of the time!
I'll try doing the speed limit on the way to work one of these days and report back!
