Which is faster?

The Ford Mustang GT S550 is faster — 5.6s quicker on average across 5 shared tracks.

Specifications

Specifications	Ford Mustang GT S550 Mustang GT S550	Honda Civic Si Coupe FG2 Civic Si Coupe FG2
Model Years	2015-2021	2007-2011
horsepower	435	197
torque (N_M)	400	188
weight (KG)	1,681	1,290
Power to Weight	0.26	0.15
Rank	#155	-
Tire	220 P-ZERO NERO 265/35/20	200 CONTACTSPORT 6 235/40/18
engine Description	5.0L NA V8 (Coyote )	2.0L NA I4 (K20Z3 )
gearbox	6-SPEED MANUAL	6-SPEED MANUAL
drive Type	RWD	FWD
wheelbase (MM)	2720	2649
width (MM)	1915	1750
length (MM)	4783	4440
height (MM)	1382	1359
0 - 60 MPH	4.5 SECs	7.5 SECs
top Speed (KPH)	264	230
price MSRP	$ 34,800	$ 21,090
Current Value	$ 32,000	$ 14,000
OVERALL VS AVERAGE LAP TIMES	-0.73s	+0.38s