Technical Specifications
| Brand | Dodge |
| Model | RAM |
| Generation | Ram 1500 III (DR/DH) |
| Type (Engine) | 5.7 (345 Hp) Automatic |
| Start of production | 2001 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 6 |
| Doors | 4 |
| Fuel consumption (urban) | 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l) |
| Fuel consumption (extra urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel consumption (combined) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| 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 | EZA |
| 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 | 17.7 l (18.7 US qt | 15.57 UK qt) |
| Length | 5834 mm (229.69 in.) |
| Width | 2019 mm (79.49 in.) |
| Height | 1880 mm (74.02 in.) |
| Wheelbase | 3569 mm (140.51 in.) |
| Front track | 1742 mm (68.58 in.) |
| Rear track | 1727 mm (67.99 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 5 |
| Gearbox type | Automatic transmission |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 265/70 R17; 245/70 R17 |
| Wheel rims size | 17 |
The Dodge Ram 1500 (DR/DH) equipped with the 5.7L V8 and automatic transmission, produced from 2001 to 2009, marked a significant evolution for Dodge’s full-size pickup truck lineup. This third generation of the Ram 1500 aimed to deliver a blend of robust capability with improved refinement and a more contemporary aesthetic. The 5.7L engine paired with an automatic transmission served as a strong mid-range offering, appealing to buyers who required substantial power for towing and hauling tasks without incurring the higher costs associated with the Cummins diesel options. It was a key competitor in the highly contested American full-size pickup truck market, going head-to-head with the Ford F-150, Chevrolet Silverado, and GMC Sierra.
Powertrain & Engine Architecture
The core of this Ram 1500 variant was the 5.7-liter (345 cubic inch) V8 engine, internally designated as the EZA. This engine belonged to Dodge’s third-generation small-block V8 family. It featured a cast iron block coupled with aluminum cylinder heads, a combination selected for its balance of durability and weight reduction. The engine utilized a multi-port fuel injection system, precisely delivering fuel to each cylinder for optimized combustion efficiency. The valvetrain employed two valves per cylinder, operated by a hydraulic roller camshaft. This design contributed to a relatively broad and usable torque curve, making the engine responsive across a wide range of driving conditions.
The 5.7L engine was mated to a 5-speed automatic transmission. This transmission was engineered to manage the engine’s considerable torque output and provide smooth, dependable shifting. The gear ratios were carefully tuned to strike a balance between acceleration performance and fuel efficiency, although the Ram 1500 was not particularly known for exceptional gas mileage. The automatic transmission also incorporated a tow/haul mode, which adjusted shift points to optimize performance when towing heavier loads. This mode would hold gears longer, providing more engine braking and reducing transmission hunting on inclines.
Driving Characteristics
The 5.7L V8 Automatic Ram 1500 delivered a compelling driving experience for those needing a capable work truck. While not as nimble as some of the lighter-duty pickups, it provided ample power for everyday driving and towing applications. Acceleration from a standstill was respectable, and the engine generated strong torque throughout the mid-range. The automatic transmission shifted smoothly, although it could occasionally exhibit some hesitation when downshifting for passing maneuvers. Compared to the base V6 engine, the 5.7L offered a substantial performance improvement. It also provided a more relaxed driving experience when towing, as the engine didn’t strain as much to maintain speed. In contrast to the Cummins diesel options, the 5.7L was noticeably quieter and more affordable, but it lacked the diesel’s superior towing capacity and fuel economy.
Equipment & Trim Levels
The 5.7L engine was available across several trim levels of the Ram 1500, including ST, SLT, and Laramie. The entry-level ST trim offered a relatively basic interior with vinyl upholstery and essential features. The SLT trim added enhancements such as cloth upholstery, power windows and locks, and an upgraded audio system. The Laramie trim represented the most luxurious option, featuring leather upholstery, woodgrain accents, and a premium sound system. Standard equipment on all 5.7L models included air conditioning, a tilt steering wheel, and an AM/FM radio. A range of optional extras were available, including a CD player, power-adjustable seats, and a sunroof.
Chassis & Braking
The Ram 1500 (DR/DH) utilized a traditional body-on-frame construction, providing a robust and durable platform. The front suspension featured independent upper and lower control arms with coil springs, while the rear suspension employed leaf springs. This configuration delivered a comfortable ride quality, although it could sometimes feel somewhat bouncy when the truck was unladen. Braking was handled by disc brakes on all four wheels, providing adequate stopping power. An anti-lock braking system (ABS) was standard equipment, enhancing safety during emergency braking situations. Steering was hydraulic power-assisted, offering a relatively light and responsive feel.
Market Reception & Comparison
The Dodge Ram 1500 5.7L Automatic was generally well-received by automotive critics and consumers alike. It was praised for its powerful engine, comfortable ride, and spacious interior. However, some reviewers pointed out its relatively modest fuel economy and somewhat dated interior design compared to some competitors. When compared to the Ford F-150 and Chevrolet Silverado, the Ram 1500 offered a comparable level of performance and features. The Ram 1500 often distinguished itself with its bold styling and comfortable ride characteristics. Fuel economy averaged around 16 mpg combined, which was typical for a full-size pickup truck of that era.
Legacy
The Dodge Ram 1500 5.7L Automatic has proven to be a relatively reliable powertrain combination. The 5.7L engine is known for its inherent durability, and the 5-speed automatic transmission has also demonstrated good longevity over time. However, as with any vehicle, consistent and proper maintenance is crucial to ensure long-term reliability. Common issues that have been reported include minor oil leaks, occasional sensor failures, and the potential for corrosion in areas exposed to road salt. Today, these trucks can be found in the used car market at relatively affordable prices, making them a popular choice for individuals seeking a capable and dependable work truck. The DR/DH generation Ram 1500 played a pivotal role in establishing the Ram truck line’s reputation for toughness, capability, and overall comfort.




