I set up a racing cockpit setup for my father-in-law yesterday with an LG C1 OLED, Thrustmaster T-GT II, and a really high-quality cockpit. The thing is, I didn't want to have him spend like $800+ for a PS5, so I told him we'll just use my PS4 until PS5 is more readily available. The thing is, I forgot how low resolution games are on base PS4 and especially how hard cross-gen hit it.
For instance, the best looking game we've played so far is GT Sport. It doesn't look amazing, but much better than the rest. It also is incredible with the wheel and cockpit setup, and has fantastic HDR. Driveclub is not too bad but the IQ is really rough.
On the other end of the spectrum, Dirt 5 is unbelievably bad. I thought it had disappointing visuals on PS5, but you literally can barely see anything on the PS4 version when you're up close to the display like that in a cockpit. I had to stop after five minutes because of it. It also had bad load times. WRC9 looked better, but it had literally the longest load times I ever remember. It took literal minutes to load up the race.
Needless to say, for such a [relatively] high-end setup, the PS4 in 2022 does not do it justice, lol.