If you are looking for a 2019 Camaro SS on the PC, look no further than the Street Cars section of Automobilista 2. This is perhaps the best one currently available though the same game also offers an even better rendition of the GT4 Camaro.
The Street Car (what used to be a safety car) allows for full h shifting transmissions and rewards heel and toe driving. The GT4, on the other hand uses sequential shifting. Both cars are absolutely wonderful on the Nordschliefe with 12.7 mile laps and approximately 72 turns per lap (this was additional dlc if I recall). You can also set the transmission to automatic, but why....
The only problem with the 2019 SS is slightly exaggerated body roll and slightly less grip than real life. The GT4 Camaro solves both those issues if you are interested.
Automobilista 2 is a proper sim so don't bother with an xbox controller. Bring a wheel, three pedals, and your shifter of choice. Asseto Corsa Competizione has a slightly different feel to it but also offers a great GT4 Camaro on the PC.