The 2006 Dodge Charger R/T with the 5.7-liter Hemi V8 is officially rated at 340 horsepower (SAE net).
For context, the Charger’s V8 option delivered robust performance through a broad power band. While the factory rating for the 5.7 L Hemi is 340 hp, some references note numbers around the mid-300s depending on testing standards and production variations. The engine also brings strong torque and a distinctive V8 soundtrack, which helped define the RT model in that era.
Engine and Power Rating
The following overview summarizes the key horsepower-related specs for the 2006 Charger’s 5.7 L Hemi V8.
- Horsepower: 340 hp (SAE net)
- Torque: 390 lb-ft
- Displacement: 5.7 L (about 347 cu in)
- Technology: MDS cylinder deactivation for efficiency under light load
In practice, the 2006 Charger RT’s Hemi delivered strong acceleration and a muscular feel, underscoring its position as the performance-oriented variant in the lineup of that year.
Variations and measurement standards
Some databases and vintage press materials list slightly different horsepower figures (commonly around 345 hp) due to differing SAE measurement conventions (net vs gross) and testing conditions. For restoration or historical accuracy, consult the exact original window sticker or Chrysler archival materials for the specific vehicle.
Summary
The 2006 Dodge Charger 5.7 L V8 delivers about 340 horsepower (SAE net), making it the peak-performance option in the early Charger lineup and a defining trait of the RT badge in that era.
Is a RT faster than a GT?
What Are the 0-60 Times for the GT and R/T? Many people also wonder, “Which is faster: Dodge Charger GT or RT?” The Charger R/T is faster than the Charger GT. The GT can reach 60 mph from a full stop in 5.9 seconds.
Which oil is best for a Dodge Charger?
Dodge Charger Oil Requirements by Engine and Year
| Years | Engine | Oil Type |
|---|---|---|
| 2006-2023 | 5.7L HEMI V8 R/T | SAE 5W-20 Full Synthetic |
| 2006-2010 | 6.1L SRT8 HEMI | SAE 5W-20 Full Synthetic |
| 2011-2023 | 6.4L SRT 392 HEMI | SAE 5W-20 Full Synthetic |
| 2015-2023 | 6.2L Hellcat Supercharged | SAE 0W-40 Full Synthetic |
How much HP can a 2006 5.7 Hemi handle?
The factory rods are powdered metal with a cracked cap design and can handle about 650 hp. If you're getting forged pistons, upgrade to Forged Connecting Rods at the same time. The OE cast crankshaft can handle about 650 hp and 7,000 rpm (for a limited time).
Is the 5.7 Hemi Charger fast?
Those improvements along with better transmission options brought 0-60 mph acceleration down to 5.0 seconds, quarter mile times to 13.8 seconds at 103 mph, and top speed limited to 149 mph.