This LoRA will render a BMW M5 into a scene. While this was trained against SDXL 1.0, do give it a try with other model checkpoints! It continues to surprise me each time I use it with different models and combinations of LoRAs as well. So experiement with this one. I have noticed that Euler ancestral, lower guidance and steps seems to produce some of the better results. Your mileage will vary.
Definitely use v1.1 (note that I didn't name the file differently, sorry) over v1.0 as it's more accurate. The dimensions and the details are just better. However, you may find the original version to be a little nicer for illustrated or stylized effects. The first iteration was a bit more difficult to work with and I don't think it was as accurate. The difference is mostly in the captioning, I completely redid the captions for v1.1. The training was slightly different as well. You can try the older version if you like, but I think v1.1 is superior. I may put out a version 2 that is trained off even more images. Version 1 is trained based off 36 images. It is a LoHa using the Prodigy optimizer with a network rank DIM and alpha of 32.