2023 Ford Mustang
Sixth generation · S550 2015–2023
The S550, the first Mustang with independent rear suspension as standard, built 2015–2023.
The 2023 model year
Overview
The send-off year for the S550. With the Shelby GT500 discontinued, the Mach 1 became the lineup's flagship for the generation's final tour, which was otherwise a near-carryover. Sixth-generation production ended at Ford's Flat Rock Assembly Plant on April 6, 2023, handing off to the seventh-generation S650.
Specifications
- Engines
-
- 2.3 L EcoBoost turbo I4 (base) 310 hp
- 2.3 L EcoBoost High Performance Package 330 hp
- 5.0 L "Coyote" V8 (GT) 450 hp
- 5.0 L V8 (Mach 1; flagship) 470 hp
- Transmissions
- 6-speed manual (Mach 1: Tremec TR-3160), 10-speed automatic (10R80)
- Body styles
- Fastback coupe, Convertible
- Base price
- $27,770 (EcoBoost fastback) ≈$28,600 today (inflation-adjusted) Original MSRP adjusted for inflation (CPI, 2024); not the car's current market/collector value. Source: U.S. Bureau of Labor Statistics, CPI-U (U.S. city average, all items), annual average.
- Production
- 53,159 (US)
Year over year
What changed
- The Shelby GT500 was discontinued; the Mach 1 became the top model for the final year.
- Near-carryover otherwise, sending off the S550 with few changes.
- Sixth-generation production ended April 6, 2023, at Flat Rock Assembly.
Living with it
Reliability & ownership notes
- Final-year S550s benefit from a fully sorted, mature platform — the 2.3 EcoBoost and 5.0 Coyote are proven engines with deep parts support.
- The Mach 1's dedicated cooling carries over as a durability plus over a standard GT.
Worth knowing
Notable
- Last model year of the sixth-generation (S550) Mustang.
- Mach 1 closed out the generation as its flagship.
Famous variants this year
Sources
Other Sixth generation years
Explore the S550 generation → All Sixth generation · S550 years →