I'd bet you'd notice the difference between cast and forged wheels. My first RR was a 2013 model, with cast wheels. My next was the HP4, which had forged wheels. The difference in turning was like the difference between power steering in a car and no hydraulic-assist steering.I wouldn't know the difference between anything except the noise.
I just tossed in full synthetic, so I will prob do oil every 3-4 years or so. or 7-10k whatever comes first. (assuming years