Ford
2026 Ford Mustang EcoBoost Fastback
- Coupe
- Rear-wheel drive
- Sports car
- Turbo inline-4

Ford's 2026 Mustang technical specifications list the EcoBoost Fastback with a 2.3-liter turbocharged inline-four, 315 hp, 350 lb-ft, rear-wheel drive, a 10-speed automatic, 3,573 lb curb weight and a 16.0-gallon tank. FuelEconomy.gov's exact 2026 Mustang 2.3L automatic record rates it at 22 mpg city, 33 mpg highway and 26 mpg combined.
Specifications by source
Each figure carries an evidence mark and a text label; expand a value for its full provenance — citation, verification, test conditions, and any alternate figures.
0–100 km/h5.60 sIndependent testEFTMShow full source detail and alternate values
Originally reported as 5.6 s; stored canonically.
EFTM instrumented an Australian-market 2025 S650 Mustang EcoBoost automatic coupe with VBox timing. Same 2.3L/10-speed powertrain family as the US 2026 seed, but not a US Ford primary claim.