Fully off grid capable with 700 watts of solar on roof. 35 + 11 gal of water storage capacity. Five windows long [23'] built by an experienced tiny home builder.
Lots of solid oak in the build. Lots of storage. The space is flexible except for the shower location.
2008 Chevy with duramax Diesel engine, 132,000 miles, Rebuilt tranny
Cruise control,, Good tires- fronts with just 10K miles.
Many system indicators such as oil and fuel filter status, fuel range, fuel economy, fuel used, run time, trip meters, 
Basically a 1T Express van chassey with a bus body. Average 14mpg driving at 55mph although it is capable of going much faster.
See a video and more details on my website joycesdogs dot com [start at about 7 minutes for the interior] Many extras to make taking off right away also available.