2003-2008 Dodge Magnum 5.7 i V8 (345 Hp)

The Dodge Magnum 5.7i V8, produced from 2003 to 2008, represents a unique chapter in Dodge’s history. Revived after a 30-year hiatus, the Magnum was a full-size, rear-wheel-drive station wagon built on the LX platform, shared with the Chrysler 300 and Dodge Charger. This particular variant, equipped with the 5.7-liter HEMI V8 engine and a five-speed automatic transmission, occupied the mid-to-upper range of the Magnum lineup, offering a compelling blend of performance, space, and practicality. It aimed to capture a segment largely abandoned by American manufacturers – the powerful, family-oriented wagon.

Technical Specifications

Brand Dodge
Model Magnum
Generation Magnum
Type (Engine) 5.7 i V8 (345 Hp)
Start of production 2003
End of production 2008
Powertrain Architecture Internal Combustion engine
Body type Station wagon (estate)
Seats 5
Doors 5
Fuel consumption (urban) 15.7 l/100 km (15 US mpg, 18 UK mpg, 6.4 km/l)
Fuel consumption (extra urban) 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l)
Fuel consumption (combined) 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 6.3 sec
Acceleration 0 – 62 mph 6.3 sec
Acceleration 0 – 60 mph 6 sec
Maximum speed 250 km/h (155.34 mph)
Weight-to-power ratio 5.4 kg/Hp, 183.5 Hp/tonne
Weight-to-torque ratio 3.6 kg/Nm, 281.4 Nm/tonne
Power 345 Hp @ 5000 rpm
Power per litre 61 Hp/l
Torque 529 Nm @ 4000 rpm (390.17 lb.-ft. @ 4000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code EZB
Engine displacement 5657 cm3 (345.21 cu. in.)
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 99.55 mm (3.92 in.)
Piston Stroke 90.9 mm (3.58 in.)
Compression ratio 9.6:1
Number of valves per cylinder 2
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Engine oil capacity 6.6 l (6.97 US qt | 5.81 UK qt)
Coolant capacity 13.8 l (14.58 US qt | 12.14 UK qt)
Kerb Weight 1880 kg (4144.69 lbs.)
Trunk (boot) space – minimum 770 l (27.19 cu. ft.)
Fuel tank capacity 72 l (19.02 US gal | 15.84 UK gal)
Length 5020 mm (197.64 in.)
Width 1880 mm (74.02 in.)
Height 1505 mm (59.25 in.)
Wheelbase 3050 mm (120.08 in.)
Front track 1600 mm (62.99 in.)
Rear track 1600 mm (62.99 in.)
Drivetrain Architecture Rear wheel drive
Number of gears and type of gearbox 5 gears, automatic transmission
Front suspension Double wishbone
Rear suspension Wishbone
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 225/60 R18

Introduction

The Dodge Magnum 5.7i V8, launched in 2003, was a bold attempt to revive the station wagon concept for the American market. Unlike many contemporary SUVs, the Magnum offered a car-based platform, rear-wheel drive, and a focus on performance. It was built on the LX platform, also underpinning the Chrysler 300 and Dodge Charger, and represented a departure from the increasingly homogenous automotive landscape. The 5.7L HEMI V8 variant was positioned as a performance-oriented option, appealing to buyers who desired both utility and spirited driving. Production continued through 2008, with relatively minor changes throughout its lifespan.

Powertrain & Engine Architecture

At the heart of the Magnum 5.7i V8 lies the EZB engine code, a 5.7-liter (345 cubic inch) HEMI V8. This third-generation HEMI featured a cast iron block, aluminum cylinder heads, and a hydraulic roller camshaft. The engine utilized a multi-point fuel injection system, delivering fuel directly to each cylinder. The valvetrain employed two valves per cylinder, optimized for low-end torque and broad power delivery. The 5.7L HEMI was notable for its Multi-Displacement System (MDS), which could deactivate four cylinders during light-load cruising to improve fuel economy. Paired with the engine was a five-speed automatic transmission (545RFE), known for its smooth shifts and durability. This transmission was electronically controlled and featured overdrive for highway efficiency. The rear-wheel-drive configuration contributed to the Magnum’s sporty handling characteristics.

Driving Characteristics

The 5.7L HEMI V8 transformed the Magnum into a surprisingly capable performer. Acceleration from 0 to 60 mph was consistently clocked around 6 seconds, making it quicker than many contemporary SUVs and even some sports cars. The automatic transmission was well-tuned, providing responsive shifts and effectively managing the engine’s substantial torque. While not as nimble as some smaller vehicles, the Magnum offered a comfortable and confident driving experience. The rear-wheel-drive layout provided a balanced feel, and the suspension, though tuned for comfort, offered reasonable control in corners. Compared to the base 3.5L V6 Magnum, the 5.7L variant delivered a significant boost in performance, making it a more engaging and rewarding vehicle to drive. The 5-speed automatic, while efficient, didn’t offer the same level of control as a manual transmission, but it suited the Magnum’s intended role as a comfortable and capable cruiser.

Equipment & Trim Levels

The Magnum 5.7i V8 typically came standard with features such as air conditioning, power windows and locks, a CD player, and alloy wheels. Higher trim levels, such as the RT, added features like leather upholstery, heated front seats, a premium sound system, and automatic climate control. Optional extras included a sunroof, navigation system, and rear-seat entertainment system. Interior materials were generally of good quality, though not quite as luxurious as some European competitors. The Magnum’s spacious interior offered ample room for passengers and cargo, making it a practical choice for families. The rear seats folded down to create a large, flat cargo area, further enhancing its versatility.

Chassis & Braking

The Magnum’s chassis featured a double wishbone front suspension and a multi-link rear suspension, providing a comfortable ride and decent handling. The suspension was tuned to balance ride comfort with handling performance. Braking duties were handled by ventilated disc brakes at all four corners, providing ample stopping power. Anti-lock brakes (ABS) were standard, enhancing safety and control. The Magnum’s weight, approximately 4145 pounds, contributed to its stable feel on the road. Stabilizer bars were fitted to both the front and rear suspensions to reduce body roll during cornering.

Market Reception & Comparison

The Dodge Magnum 5.7i V8 received generally positive reviews from automotive critics. It was praised for its powerful engine, spacious interior, and unique styling. However, some critics noted its relatively poor fuel economy and its large size, which could make it difficult to maneuver in tight spaces. Compared to other trims, the 5.7L HEMI offered a significant performance advantage, but at the cost of increased fuel consumption. Against competitors like the Ford Crown Victoria and Chevrolet Impala wagon, the Magnum offered a more modern design and a more engaging driving experience. However, it lacked the all-wheel-drive option offered by some competitors.

Legacy

The Dodge Magnum, while a relatively short-lived model, has gained a cult following among enthusiasts. The 5.7L HEMI V8 powertrain has proven to be remarkably durable, and well-maintained examples are still on the road today. The Magnum’s unique combination of performance, space, and styling has made it a desirable vehicle in the used car market. Parts availability is generally good, and the HEMI engine is relatively easy to maintain. The Magnum represents a bold and unconventional approach to the station wagon segment, and it remains a distinctive and memorable vehicle.

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