The Dodge Challenger R/T produces 375 horsepower (2024 models).

The R/T trim's 5.7L HEMI® V8 engine delivers 375 hp and 410 lb-ft of torque, paired with either a 6-speed manual or 8-speed automatic transmission. Performance varies slightly by model year, with older versions (2015-2020) typically producing 372-375 hp. Scat Pack and SRT models offer higher outputs.

Horsepower by Challenger R/T Model Year

How the R/T Compares to Other Challenger Trims

• R/T: 375 hp (5.7L V8) - Base performance trim.
• Scat Pack: 485 hp (6.4L V8) - Track-focused upgrade.
• SRT Hellcat: 717 hp (6.2L supercharged V8) - Top-tier power.
• SRT Demon 170: 1,025 hp (6.2L supercharged V8) - Limited-edition drag monster.

Factors Affecting Real-World Horsepower

1. Transmission: Manual may lose ~5-10 hp vs. automatic due to drivetrain efficiency.
2. Altitude: Higher elevations reduce power by 3-5% per 1,000 ft.
3. Modifications:
   • Cold air intake: +5-10 hp
   • Exhaust upgrades: +10-20 hp
   • Tune/ECU remap: +15-30 hp
4. Fuel quality: 91+ octane optimizes performance; lower grades may reduce output.

R/T vs. Competitors (Similar Horsepower Range)