LX Platform (shared with Chrysler 300/300C, Charger)
👋 Introduction
Market Position
Description:
The 2006 Dodge Magnum, 300, 300C, and Charger represented Dodge's strong push into the rear-wheel-drive sedan and wagon market, offering performance and luxury. The SRT-8 variants provided a high-performance halo for the lineup.
Competitive Analysis
Competitors:
Competed against models like the Ford Crown Victoria/Mercury Grand Marquis, Cadillac STS/DTS, Chevrolet Impala, and various import luxury sedans.
Key Features
Platform Sharing:
Shared the LX platform, enabling economies of scale and consistent engineering across diverse models.
Design Philosophy:
Bold American styling, rear-wheel-drive dynamics, and powerful HEMI V8 engine options.
Various NGC (Next Generation Controller) variants depending on engine and transmission
🔧 Transmission
Standard
Standard Transmission:
4-Speed Automatic (42RLE) - typically with 3.5L V6
Optional
Optional Transmission 1:
5-Speed Automatic (W5A580 / NAG1) - typically with 5.7L HEMI and 6.1L SRT-8
Features
Transmission Features Naturally Aspirated:
Electronic control, torque converter lock-up, driver-selectable manual shifting (AutoStick on some models)
Transmission Features Hemi:
Adaptive electronic control, advanced shift logic, Electronic Range Select
Fluid Specifications
42Rle Fluid Type:
ATF+4 (Mopar)
W5A580 Fluid Type:
MB 236.10 or equivalent (e.g., Pentosin ATF134)
📐 Dimensions
Exterior
Magnum Wheelbase:
116.0 inches
Charger Wheelbase:
120.0 inches
300 300C Wheelbase:
120.0 inches
Magnum Length:
197.7 inches
Charger Length:
200.0 inches
300 300C Length:
196.7 inches
Cargo
Magnum Cargo Volume:
Approx. 27.2 cu ft (rear seats up)
Weights
Curb Weight Range:
Approx. 3,800 - 4,200 lbs depending on model and configuration
🛡️ Safety Features
Ratings
NHTSA Front Impact:
5-Star (Driver and Passenger)
IIHS Side Impact:
Good (for models tested)
Active Features
ABS:
Standard Anti-lock Braking System
Traction Control:
Standard Traction Control System (TCS)
Electronic Stability Control:
Optional Electronic Stability Program (ESP) on some models
Passive Features
Airbags:
Standard front airbags, optional side curtain airbags and front side airbags
Seat Belts:
3-point seat belts with pretensioners
💡 Technology Features
Infotainment
Audio Systems:
Available Boston Acoustics premium audio systems, SiriusXM Satellite Radio integration.
Navigation:
Optional factory navigation system with touchscreen interface.
Driver Assistance
Parking Assistance:
Optional rear parking assist sensors.
Connectivity
Remote Start:
Available factory remote start system.
Keyless Entry:
Standard or optional keyless entry with remote key fob.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (using synthetic oil)
Engine Air Filter:
Inspect every 7,500 miles, replace as needed (typically every 15,000-30,000 miles)
Cabin Air Filter:
Replace every 15,000 miles or 12 months
Spark Plugs 3.5L:
Replace every 100,000 miles (if original plugs)
Spark Plugs 5.7L/6.1L Hemi:
Replace every 100,000 miles (if original plugs)
Transmission Fluid Flush:
Consult manual, typically around 60,000-100,000 miles depending on driving conditions and transmission type (e.g., ATF+4 for 42RLE, MB 236.10 for W5A580)
Fluid Specifications
Engine Oil 3.5L:
SAE 5W-30 Synthetic (API SN or newer)
Engine Oil 5.7L Hemi:
SAE 5W-20 Synthetic (API SN or newer), or SAE 5W-30 if operating in extreme temperatures
Mopar Power Steering Fluid (MS-5901) or equivalent
Brake Fluid:
DOT 3 or DOT 4 (verify specific model requirement)
Known Issues
Hemi Carbon Buildup:
Carbon buildup on intake valves, particularly on early HEMIs, can lead to rough idle and performance issues. Manual details cleaning procedures.
Transmission Shifting Issues Nag1:
W5A580 (NAG1) transmission can sometimes exhibit harsh shifting or delayed engagement; manual provides diagnostic steps.
Suspension Clunks:
Worn suspension components (ball joints, control arm bushings) can lead to knocking or clunking noises, especially over bumps.
Power Steering Pump:
Occasional reports of noisy or failing power steering pumps. Manual covers diagnosis and replacement.
Electrical Gremlins:
As with many vehicles of this era, complex electrical systems can occasionally develop issues; detailed wiring diagrams are crucial.
📚 Vehicle History
Brand Heritage
Dodge Legacy:
Dodge has a long history of performance and muscle cars, influencing the aggressive styling and powerful engine options of these models.
Model Evolution
Magnum Return:
The Magnum nameplate was revived for 2005 as a performance-oriented station wagon, based on the LX platform.
Lx Platform Genesis:
The LX platform, developed with Mercedes-Benz technology, underpinned the Chrysler 300, Dodge Magnum, and Dodge Charger, marking a significant shift to rear-wheel drive for Dodge sedans.
Production
Production Location:
Brampton Assembly Plant, Ontario, Canada
Magnum Production Years:
2005-2008
Charger Production Years:
2006-2010
300 300C Production Years:
2005-2010
🏆 Awards & Recognition
Recognitions
Car And Driver 10Best:
The Dodge Charger R/T and SRT-8 were recognized by Car and Driver magazine, with the Charger R/T being named to the Car and Driver 10Best list for 2006.
Motor Trend Car Of The Year:
While not winning overall, the Dodge Charger was a finalist for MotorTrend's Car of the Year in 2006.
Certifications
Epa Fuel Economy:
EPA estimates vary by engine and drivetrain. For example, 5.7L HEMI RWD: Approx. 15 MPG city / 23 MPG highway.
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