2008-2009 Chrysler Aspen 5.7 i V8 16V (376 Hp) 4WD Automatic

The Chrysler Aspen 5.7i V8 16V (376 Hp) 4WD Automatic was a full-size SUV produced by Chrysler from 2008 to 2009. Positioned as a larger, more robust alternative to the Dodge Durango (with which it shared a platform), the Aspen aimed to provide a more premium experience within the Chrysler brand. It was built on the Chrysler WK platform, also underpinning the Jeep Grand Cherokee of the same era. The 5.7i V8 4WD Automatic represented the top-of-the-line trim, offering substantial power and all-weather capability. Production was relatively short-lived, coinciding with Chrysler’s financial difficulties during the late 2000s.

Technical Specifications

Brand Chrysler
Model Aspen
Generation Aspen
Type (Engine) 5.7 i V8 16V (376 Hp) 4WD Automatic
Start of production 2008
End of production 2009
Powertrain Architecture Internal Combustion engine
Body type SUV
Seats 8
Doors 5
Fuel consumption (urban) 18.1 l/100 km (13 US mpg, 15.6 UK mpg, 5.5 km/l)
Fuel consumption (extra urban) 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l)
Fuel Type Petrol (Gasoline)
Weight-to-power ratio 6.2 kg/Hp, 160.8 Hp/tonne
Weight-to-torque ratio 4.3 kg/Nm, 232.7 Nm/tonne
Power 376 Hp @ 5600 rpm
Power per litre 66.5 Hp/l
Torque 544 Nm @ 3600 rpm (401.23 lb.-ft. @ 3600 rpm)
Maximum engine speed 5800 rpm
Engine layout Front, Longitudinal
Engine Model/Code HEMI
Engine displacement 5654 cm3 (345.03 cu. in.)
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 99.5 mm (3.92 in.)
Piston Stroke 90.9 mm (3.58 in.)
Compression ratio 10.5:1
Number of valves per cylinder 2
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain OHV
Engine oil capacity 6.6 l (6.97 US qt | 5.81 UK qt)
Coolant capacity 15.8 l (16.7 US qt | 13.9 UK qt)
Kerb Weight 2338 kg (5154.41 lbs.)
Max. weight 3016 kg (6649.14 lbs.)
Max load 678 kg (1494.73 lbs.)
Trunk (boot) space – minimum 538 l (19 cu. ft.)
Trunk (boot) space – maximum 2900 l (102.41 cu. ft.)
Fuel tank capacity 102 l (26.95 US gal | 22.44 UK gal)
Permitted trailer load with brakes (12%) 3266 kg (7200.3 lbs.)
Length 5101 mm (200.83 in.)
Width 1930 mm (75.98 in.)
Height 1887 mm (74.29 in.)
Wheelbase 3027 mm (119.17 in.)
Front track 1637 mm (64.45 in.)
Rear (Back) track 1636 mm (64.41 in.)
Ride height (ground clearance) 254 mm (10 in.)
Drag coefficient (Cd) 0.391
Minimum turning circle (turning diameter) 12.2 m (40.03 ft.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 5 gears, automatic transmission
Front suspension Independent torsion bar, double wishbone
Rear suspension Coil spring, Elastic beam
Front brakes Ventilated discs, 336×28 mm
Rear brakes Disc, 352×22 mm
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 265/60 R18; 265/50 R20
Wheel rims size 8J x 18; 8J x 20

Powertrain & Engine Architecture

The heart of the Aspen 5.7i was the 5.7-liter HEMI V8 engine. This engine, designated as part of the Chrysler’s third-generation HEMI family, featured a cast iron block, aluminum cylinder heads, and a two-valve-per-cylinder (OHV) configuration. The engine utilized a multi-point fuel injection system for precise fuel delivery. A key feature of this engine was the Chrysler Multi-Displacement System (MDS), a cylinder deactivation system that shut down four cylinders during light-load cruising to improve fuel economy. The 545RFE five-speed automatic transmission was the sole transmission offering for the 5.7i. This transmission was known for its smooth shifts and durability, and was designed to handle the engine’s substantial torque output. The transmission featured electronically controlled shifting and overdrive for highway efficiency.

Driving Characteristics

The 376 horsepower and 401 lb-ft of torque provided by the 5.7-liter HEMI delivered strong acceleration for a full-size SUV. While not a sports car, the Aspen 5.7i offered confident passing power and the ability to tow substantial loads. The automatic transmission, while smooth, wasn’t particularly quick to downshift, resulting in a slightly less responsive feel compared to models equipped with the smaller V6 engine. The 545RFE transmission’s gear ratios were optimized for both towing and highway cruising. The Aspen’s substantial weight (over 5,000 lbs) did impact handling, making it feel less agile than smaller SUVs. However, the four-wheel-drive system provided excellent traction in various weather conditions.

Equipment & Trim Levels

The 5.7i trim represented the highest level of equipment for the Aspen. Standard features included leather upholstery, heated front seats, a premium sound system, rear parking sensors, and automatic climate control. Optional extras included a rear-seat entertainment system, navigation system, and power-adjustable pedals. Interior trim was generally well-appointed, though the overall design was somewhat conservative compared to some competitors. The Aspen offered seating for up to eight passengers, with a spacious interior and ample cargo capacity, especially with the second and third-row seats folded down.

Chassis & Braking

The Aspen utilized an independent torsion bar suspension in the front and a coil-spring elastic beam suspension in the rear. This setup provided a comfortable ride, but wasn’t particularly sporty. The four-wheel-drive system employed an electronically controlled transfer case, allowing the driver to select between 2WD, 4WD Auto, and 4WD Lock modes. Braking duties were handled by ventilated disc brakes in the front and solid discs in the rear. Anti-lock brakes (ABS) were standard. The Aspen’s substantial weight required a robust braking system to provide adequate stopping power.

Market Reception & Comparison

The Chrysler Aspen was generally well-received by critics, who praised its powerful engine, spacious interior, and comfortable ride. However, it was often criticized for its fuel economy, which was typical for a full-size SUV but still relatively high. Compared to the Dodge Durango, the Aspen offered a more refined interior and a slightly more luxurious driving experience. The Aspen also faced competition from the Chevrolet Tahoe and Ford Expedition. The 5.7i V8 Automatic variant was the most expensive and best-equipped Aspen, targeting buyers who prioritized power and towing capacity over fuel efficiency.

Legacy

The Chrysler Aspen had a short production run, and as a result, it’s relatively rare on the used car market today. The 5.7-liter HEMI engine is known for its reliability, but regular maintenance is crucial. Common issues include oil leaks and sensor failures. The 545RFE transmission is also generally reliable, but may require servicing at higher mileage. Aspens that have been well-maintained can provide years of reliable service. The Aspen represents a unique chapter in Chrysler’s SUV history, offering a blend of power, space, and comfort in a full-size package.

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