The 2008 Dodge Charger RT uses a 5.7-liter Hemi V8 engine.
Beyond this headline detail, the article below explores the engine’s specifications, technology, and how it shaped the Charger RT’s performance in the late 2000s.
Engine specifications
Key technical details of the 5.7-liter V8 powering the Charger RT in 2008 include displacement, configuration, and output.
- Displacement: 5.7 liters (345 cubic inches)
- Configuration: V8, overhead-valve (Hemi) design
- Valvetrain: 16 valves (two per cylinder) with pushrods
- Induction: Naturally aspirated
- Fuel system: Sequential multipoint fuel injection
- Output: approximately 350 horsepower and around 375 lb-ft of torque
- Technology: Multi-Displacement System (MDS) for cylinder deactivation to improve highway fuel economy
- Transmission: 5-speed automatic transmission with AutoStick manual shift mode
- Drivetrain: Rear-wheel drive (RWD) platform
These specifications defined the Charger RT’s blend of muscular performance with everyday usability, a hallmark of the model era.
Technology and performance features
In addition to the core engine, several technologies enhanced efficiency, throttle response, and overall driving dynamics in the 2008 Charger RT.
- Multi-Displacement System (MDS) cylinder deactivation for improved fuel economy under light load
- Electronic throttle control for smoother, more responsive acceleration
- Engine management optimized to deliver a balance of power and efficiency
- Compatibility with regular-grade gasoline (87 octane) for everyday usability
Together, these features helped the 2008 Charger RT deliver a recognizable V8 character while maintaining practical daily drivability.
Driving dynamics and user experience
Drivers often noted the RT’s muscular sound and confident straight-line performance, paired with a ride that remained comfortable for daily commuting and longer trips.
Summary
In the 2008 Dodge Charger RT, the engine is a 5.7-liter Hemi V8 — a pushrod V8 known for its blend of power and practicality. With cylinder deactivation through MDS and a 5-speed auto, the RT offered a distinctly American performance persona for late-2000s sedans.