A quick video of the start-up sound of the 2021 Audi RS Q3 with OPF vs. the 2020 Mercedes GLC 43 AMG with OPF. That's what we have to live with in today's OPF times...
The cars are EU spec cars (2021 & 2020 Model) both with the optional Sports Performance Exhaust. Check out out our instagram account for more:   / drivenunfiltered