Which is faster?

The Ford Mustang GT S550 is faster — 6s quicker on average across 11 shared tracks.

Specifications

Specifications	Ford Mustang GT S550 Mustang GT S550	Pontiac Firebird Firehawk Mk4 Firebird Firehawk Mk4
Model Years	2015-2021	1993-2002
horsepower	435	305
torque (N_M)	400	447
weight (KG)	1,681	1,575
Power to Weight	0.26	0.19
Rank	#155	-
Tire	220 P-ZERO NERO 265/35/20	340 FIREHAWK INDY 500
engine Description	5.0L NA V8 (Coyote )	346 cu in (5.7 L) LS1 V8
gearbox	6-SPEED MANUAL	6-SPEED MANUAL
drive Type	RWD	RWD
wheelbase (MM)	2720	2568
width (MM)	1915	1892
length (MM)	4783	4968
height (MM)	1382	1321
0 - 60 MPH	4.5 SECs	5.3 SECs
top Speed (KPH)	264	257
price MSRP	$ 34,800	$ 35,000
Current Value	$ 32,000	$ 28,000
OVERALL VS AVERAGE LAP TIMES	-0.73s	+8.61s