The RAM 1500 Quad Cab (DS) equipped with the 5.7 Hemi V8 engine and automatic transmission was a popular configuration of the second-generation Dodge Ram (DS) pickup truck, produced from 2010 to 2012. This variant occupied a sweet spot in the 1500 lineup, offering a significant step up in power and capability compared to the base V6 models, while remaining more accessible than the heavier-duty 2500 and 3500 series trucks. The Quad Cab body style provided increased rear passenger space compared to the standard cab, making it a versatile option for both work and family use. It represented a key offering in the highly competitive full-size pickup truck segment in the North American market.
Technical Specifications
| Brand | RAM |
| Model | 1500 |
| Generation | 1500 Quad Cab (DS) |
| Type (Engine) | 5.7 Hemi V8 (390 Hp) Automatic |
| Start of production | 2010 |
| End of production | 2012 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5-6 |
| Doors | 4 |
| Fuel consumption (urban) | 15.4 l/100 km (15.3 US mpg, 18.3 UK mpg, 6.5 km/l) |
| Fuel consumption (extra urban) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.9 kg/Hp, 170.6 Hp/tonne |
| Weight-to-torque ratio | 4.1 kg/Nm, 241.5 Nm/tonne |
| Power | 390 Hp @ 5600 rpm |
| Power per litre | 69 Hp/l |
| Torque | 552 Nm @ 4000 rpm (407.13 lb.-ft. @ 4000 rpm) |
| Maximum engine speed | 5800 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EZH |
| 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 | 15 l (15.85 US qt | 13.2 UK qt) |
| Kerb Weight | 2286 kg (5039.77 lbs.) |
| Max. weight | 3039 kg (6699.85 lbs.) |
| Max load | 753 kg (1660.08 lbs.) |
| Trunk (boot) space – maximum | 1628 l (57.49 cu. ft.) |
| Fuel tank capacity | 98 l (25.89 US gal | 21.56 UK gal) |
| Permitted trailer load with brakes (12%) | 2631 kg (5800.36 lbs.) |
| Length | 5816 mm (228.98 in.) |
| Width including mirrors | 2016 mm (79.37 in.) |
| Height | 1906 mm (75.04 in.) |
| Wheelbase | 3569 mm (140.51 in.) |
| Front track | 1728 mm (68.03 in.) |
| Rear (Back) track | 1714 mm (67.48 in.) |
| Drag coefficient (Cd) | 0.36 |
| Minimum turning circle (turning diameter) | 13.7 m (44.95 ft.) |
| Approach angle | 18.8° |
| Departure angle | 25.1° |
| Ramp-over (brakeover) angle | 21.4° |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 265/70 R17 |
| Wheel rims size | 7.0J x 17 |
Powertrain & Engine Architecture
The heart of this RAM 1500 variant is the 5.7-liter HEMI V8 engine, internally designated as the EZH. 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 an overhead valve (OHV) configuration with two valves per cylinder. The 5.7L HEMI was known for its robust construction and relatively simple design, contributing to its longevity. Paired with the engine was a five-speed automatic transmission, providing smooth and relatively efficient gear changes. This transmission was designed to handle the engine’s substantial torque output and provide adequate performance for towing and hauling. The transmission featured electronically controlled shifting for optimized performance.
Driving Characteristics
The 390 horsepower and 407 lb-ft of torque delivered by the 5.7 Hemi V8 provided ample power for everyday driving and more demanding tasks. While not as quick as some of the lighter, sportier trucks, the RAM 1500 Quad Cab with this engine offered a comfortable and capable driving experience. The automatic transmission, while not offering the direct control of a manual, provided smooth shifts and made the truck easy to drive in various conditions. Compared to the 4.7L V8, the 5.7L offered a noticeable increase in power and towing capacity. The gear ratios in the five-speed automatic were tuned for a balance of acceleration and fuel economy, prioritizing usability over outright performance.
Equipment & Trim Levels
The RAM 1500 Quad Cab (DS) 5.7 Hemi V8 Automatic typically came standard with features such as air conditioning, power windows and locks, a basic audio system, and cloth upholstery. Higher trim levels, such as the Laramie, added features like leather upholstery, premium audio systems, heated seats, and chrome exterior accents. Optional extras included a navigation system, sunroof, and various towing packages. The Quad Cab configuration offered a larger rear seat than the standard cab, making it more comfortable for passengers. The interior design was functional and durable, reflecting the truck’s work-oriented nature.
Chassis & Braking
The RAM 1500 utilized a body-on-frame construction, providing a robust and durable platform. The front suspension featured a double wishbone design, while the rear suspension employed an independent multi-link setup. This suspension configuration aimed to provide a comfortable ride while maintaining good handling characteristics. Braking duties were handled by ventilated disc brakes at the front and solid discs at the rear. An Anti-lock Braking System (ABS) was standard, enhancing safety and control during emergency braking situations. The truck’s relatively heavy weight necessitated a robust braking system to ensure adequate stopping power.
Market Reception & Comparison
The RAM 1500 Quad Cab with the 5.7 Hemi V8 and automatic transmission was well-received by critics and consumers alike. It was praised for its powerful engine, comfortable ride, and spacious interior. Fuel economy, however, was a common criticism, as the large V8 engine consumed a significant amount of fuel, especially in urban driving. Compared to the Ford F-150 and Chevrolet Silverado, the RAM 1500 offered a unique combination of features and styling. The HEMI engine was a key selling point, appealing to buyers who prioritized power and towing capacity.
Legacy
The 5.7 Hemi V8 engine has proven to be a reliable and durable powertrain, with many examples still on the road today. While some maintenance may be required as these trucks age, the engine is generally considered to be relatively trouble-free. The automatic transmission, while not as sophisticated as some modern transmissions, has also proven to be reasonably reliable. In the used car market, the RAM 1500 Quad Cab (DS) 5.7 Hemi V8 Automatic remains a popular choice for buyers seeking a capable and affordable full-size pickup truck. Its combination of power, space, and durability continues to make it a compelling option.
