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TL;DR

Mustang (S550) GTSmart Money, Pragmatists
Biggest reasons are MSRP (+46%), Body Style (coupe / convertible), and Torque (420 ft·lbs @ 4,600 rpm).
Mustang (S550) Mach 1
Biggest reasons are Body Style (coupe) and Torque (420 ft·lbs @ 4,900 rpm).
Spec Ford Mustang (S550) GT Ford Mustang (S550) Mach 1 Difference
Model Years 2015–2023 2015–2023
Release Date 2014-09-08 2014-09-08
Body Style coupe / convertible coupe
Configuration V8 V8
Displacement 5.0L (307 ci) 5.0L (307 ci)
Engine Code Gen-3 Coyote Gen-3 Coyote
Crank cross-plane cross-plane
Aspiration naturally aspirated naturally aspirated
Fuel gasoline gasoline
Redline 7,500 rpm 7,500 rpm
Power 460 hp @ 7,000 rpm 470 hp @ 7,250 rpm +2.2%
Torque 420 ft·lbs @ 4,600 rpm 420 ft·lbs @ 4,900 rpm
Compression 12.0:1 12.0:1
Bore × Stroke 93.0 × 92.7 mm 93.0 × 92.7 mm
Powertrain ICE ICE
Drivetrain RWD RWD
Transmission manual 6-speed manual 6-speed
Curb Weight 3,785 lbs 3,840 lbs +1.5%
Power-to-Weight 268 hp/ton 270 hp/ton +0.7%
0–100 km/h 4.3s 4.2s -2.3%
Top Speed 155 mph 166 mph +6.8%
MSRP $36,120 $52,915 +46.5%
Fuel Economy 22 / 32 / 25 mpg 22 / 32 / 25 mpg