Everyone should study the SignCrafts of the early 80's to see how the old school guys handled 'wraps' back in those days. Except in those days, there was no such thing as wraps, and these guys called them 'supergraphics'. They were models of legibility, creativity, and brand execution.
If you study outdoor advertising, you'll note that most of the messaging is clear, concise and missing photoshop fills and filters. The folks who design them understand the medium. Vehicle advertising is no different.
You second layout is an improvement, but I still think can be improved.
Nearly every 'wrap' design we execute is not actually a wrap, usually partial. And 99% of our designs are vector based, because photography is usually a crutch for a poor design or brand integration. So many small business think they need wraps; they actually don't - they just need a good design to reinforce their brand in an impactful way. And they need legibility and creativity.
The phrase 'wow that was cool - but I dont know what company does' is heard more often than you think as it relates to wraps. Most wrap designers are guilty of trying to impress other wrap designers with a 'cool' factor, while failing to consider the brand implications of their messaging.
Build your brand first. Invest in something iconic, easy to discern from a distance, and legible. The most effective layouts are the simplest to understand.