Which is faster?

The Ford Mustang GT S550 is faster — 7.6s quicker on average across 4 shared tracks.

Specifications

Specifications	Ford Mustang GT S550 Mustang GT S550	Mazda Mazdaspeed3 BK Mazdaspeed3 BK
Model Years	2015-2021	2007
horsepower	435	263
torque (N_M)	400	380
weight (KG)	1,681	1,488
Power to Weight	0.26	0.18
Rank	#155	-
Tire	220 P-ZERO NERO 265/35/20	220 RE003 225/40/18
engine Description	5.0L NA V8 (Coyote )	turbocharged 2.3-liter MZR L3-VDT I4
drive Type	RWD	FWD
wheelbase (MM)	2720	2639
width (MM)	1915	1755
length (MM)	4783	4486
height (MM)	1382	1466
0 - 60 MPH	4.5 SECs	6 SECs
top Speed (KPH)	264	249
price MSRP	$ 34,800	$ 22,740
Current Value	$ 32,000	$ 8,500
OVERALL VS AVERAGE LAP TIMES	-0.73s	+1.21s