Which is faster?

The Porsche 991.1 GT3 RS is faster — 0.3s quicker on average across 3 shared tracks.

Specifications

Specifications	Porsche 991.1 GT3 RS 991.1 GT3 RS	Ford Mustang Dark Horse S650 Mustang Dark Horse S650
Model Years	2015-2018	2024
horsepower	500	500
torque (N_M)	458	567
weight (KG)	1,420	1,759
Power to Weight	0.35	0.28
Rank	#29	-
Tire	180 PILOT SPORT CUP 2 265/35/20 / 325/30/21	180 P ZERO™ TROFEO RS 305/30/19 / 315/30/19
engine Description	4.0L NA flat-6 (9A1)	5.0L Ti-VCT V8 Engine
gearbox	SEVEN-SPEED PDK DUAL-CLUTCH	6-SPEED
drive Type	RWD	RWD
wheelbase (MM)	2456	2718
width (MM)	1880	1933
length (MM)	4544	4818
height (MM)	1290	1402
0 - 60 MPH	3 SECs	4.1 SECs
top Speed (KPH)	311	259
price MSRP	$ 195,020	$ 60,865
Current Value	$ 205,000	$ 70,000
OVERALL VS AVERAGE LAP TIMES	-6.96s	-5.47s