Yes, the 911 GT2 RS is faster than the GT3 RS for the 991.2 generation. The GT3 RS's 0-60mph time is only 0.4 of a second slower and laps Anglesey Coastal circuit only 1.6 seconds slower than the GT2 RS. The GT2 RS accelerates from 0-60mph in 2.6 seconds whilst the GT3 RS does the same sprint in 3 seconds flat. The GT3 RS can be seen reaching a top speed of 197 mph whilst the GT2 RS will reach 211 mph.