Compare The 2025 Ford Mustang® GT Fastback vs Dark Horse™ - Colma, CA

Ford Mustang® GT Fastback
- Standard Engine5.0L V8
- Horsepower480 hp
- MPG (city/hwy) *15 / 23
- Seats4
- Base Curb Weight3,741 lbs
Ford Mustang® Dark Horse™
- Standard Engine5.0L V8
- Horsepower500 hp
- MPG (city/hwy) *15 / 23
- Seats4
- Base Curb Weight3,879 lbs
Specs at a Glance
The 2025 Ford Mustang remains an exhilarating choice for drivers who want performance and presence. This iconic model blends spirited driving, distinctive styling, and a comfortable interior. Many shoppers compare the GT Fastback and Dark Horse trims. Here's how they differ.
Performance
The Mustang GT Fastback houses a potent 5.0-liter Ti-VCT V8 rated at 480 horsepower, producing brisk acceleration. Transmission options include a six-speed manual with rev-matching or a 10-speed automatic.
The Mustang Dark Horse also uses a 5.0-liter Ti-VCT V8, but with tuning that increases output to 500 horsepower. It's available with an uprated TREMEC six-speed manual or the 10-speed automatic. The Dark Horse adds performance hardware like a class-first Drift Brake, adaptive MagneRide suspension, and enhanced brakes.
Appearance
The GT Fastback displays a muscular look with features such as a high-gloss black grille and a vented hood. It sits on 18-inch Ebony Black aluminum wheels. Exterior color options include Carbonized Gray Metallic, Race Red, and Vapor Blue Metallic.
The Dark Horse presents a more aggressive aesthetic with exclusive 19-inch alloy wheels, black accents surrounding the headlights, and a larger rear spoiler. This trim also offers Exclusive Blue Ember Metallic with color-shifting properties.
Features
The GT Fastback's standard equipment includes a 13.2-inch infotainment touchscreen and a digital gauge cluster. Co-Pilot360 safety systems, dual-zone automatic climate control, Track Apps, and a built-in Wi-Fi hotspot also come standard.
The Dark Horse includes a 12-speaker B&O premium audio system, while the GT Fastback has a standard six-speaker unit.
If you'd like to learn more about how the 2025 Ford Mustang trims compare, contact Serramonte Ford today.
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Current Manufacturer Suggested Retail Price (MSRP) for base vehicle. Excludes destination/delivery fee plus government fees and taxes, any finance charges, any dealer processing charge, any electronic filing charge, and any emission testing charge. Optional equipment not included. Starting A/X/Z Plan price is for qualified, eligible customers and excludes document fee, destination/delivery charge, taxes, title and registration. Not all vehicles qualify for A/X/Z Plan.
*EPA-estimated city/hwy mpg for the model indicated. See fueleconomy.gov for fuel economy of other engine/transmission combinations. Actual mileage will vary. On plug-in hybrid models and electric models, fuel economy is stated in MPGe. MPGe is the EPA equivalent measure of gasoline fuel efficiency for electric mode operation.
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