Overland Vehicle Systems 270 awning. Driverside mount. I’m including some universal mounts also.

Retails for: $730

This is a great sturdy setup. It does not requre/need poles to hold it up. Though it does has them if worried about some insane wind. 

No walls.

From manufacturer:

When you’re looking for a quick deploying one-man operation awning that gives you 80 square feet of shelter you came to the right place. Unlike other awnings, our Nomadic 270 LT requires no poles to set it up because of the pair of reinforced oversize hinges and heavy-duty rafters. Our covers are manufactured out of 280G poly cotton rip stop material that has heat sealed seams which ensure you’re not going to see any leaks through seams regardless of the size of rain you’re dealing with. If you see the weather changing or something stronger than a breeze turns up, you can deploy the three pivoting aluminum poles and adjust to your desired height with a quick lock system in seconds. When its time to lock down base camp for serious weather, deploy the poles, secure the stakes with the supplied para-cord and put up the optional enclosure shelter and your ready to take on some the most severe storms. When its time to stow your Nomadic 270 LT away it takes minutes to break down and secures nicely in 1000g PVC cover.  270 degree awning free standing