The Toyota Tundra I Regular Cab (facelift 2002) 4.0i, produced from 2005 to 2006, represents Toyota’s initial foray into the full-size pickup truck market in North America. Designed to compete with established American manufacturers like Ford, Chevrolet, and Dodge, the Tundra aimed to offer a blend of reliability, durability, and value. This generation Tundra, particularly the facelifted version, sought to address some of the criticisms of the original model, offering improved refinement and features. While not a massive sales success compared to its domestic rivals, the Tundra I established Toyota as a credible contender in the full-size truck segment and laid the groundwork for future generations.
Toyota Tundra I: A North American Debut
The first-generation Toyota Tundra was a significant undertaking for the Japanese automaker. Recognizing the immense popularity of pickup trucks in the United States, Toyota developed a vehicle specifically tailored to American tastes and needs. The Tundra I, and subsequently the 2002 facelift, prioritized a robust chassis, powerful engine options, and a spacious cabin. The Regular Cab configuration, with its two doors and four-seat capacity, catered to buyers seeking a work-oriented truck. The 4.0i model, equipped with the 1GR-FE engine, offered a balance of power and efficiency, making it a popular choice for both personal and commercial use.
Engine & Performance
The heart of the 2005-2006 Toyota Tundra I Regular Cab 4.0i is the 1GR-FE 4.0-liter V6 engine. This naturally aspirated powerplant produces 236 horsepower at 5200 rpm and 361 Newton-meters (266.26 lb.-ft.) of torque at 4000 rpm. The engine’s configuration – a 60-degree V-angle – contributes to its smooth operation and relatively compact size. The 4.0-liter displacement provides a good balance between low-end torque for hauling and towing, and sufficient horsepower for highway driving. Power per liter is rated at 59.7 hp/l, indicating a reasonably efficient engine for its class and era. The engine utilizes a multi-port fuel injection system for precise fuel delivery. The powertrain is coupled with a 6-speed manual transmission, providing the driver with full control over gear selection. The rear-wheel-drive configuration is standard, emphasizing the truck’s work-focused nature. The weight-to-power ratio of 8 kg/Hp and 125.1 Hp/tonne demonstrates a respectable power output for its weight class.
Design & Features
The Toyota Tundra I Regular Cab is a classic American pickup truck in its design. The body-on-frame construction provides a solid and durable platform, essential for demanding tasks. The 2002 facelift brought subtle styling updates, including a revised grille and headlights, enhancing the truck’s appearance. The Regular Cab configuration features two doors and a spacious interior designed to accommodate four passengers. The truck bed offers a substantial 2625 liters (92.7 cubic feet) of cargo space, making it ideal for hauling materials.
While not boasting the advanced safety features of modern vehicles, the Tundra I included standard ABS (Anti-lock Braking System) to enhance braking performance. The suspension system consists of a double wishbone setup at the front and leaf springs at the rear, providing a comfortable ride and good load-carrying capacity. The steering utilizes a rack and pinion system for precise handling. Available tire sizes include 245/70 R16, 265/70 R16, and 265/65 R17, mounted on 7.0J x 16 or 7.5J x 17 inch wheel rims. Ground clearance is a generous 269 mm (10.59 inches), allowing for moderate off-road capability. Approach and departure angles of 27° and 23° respectively, further aid in navigating challenging terrain.
Technical Specifications
| Brand | Toyota |
| Model | Tundra |
| Generation | Tundra I Regular Cab (facelift 2002) |
| Type (Engine) | 4.0i (236 Hp) |
| Start of production | 2005 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 4 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8 kg/Hp |
| Weight-to-torque ratio | 5.2 kg/Nm |
| Power | 236 Hp @ 5200 rpm |
| Power per litre | 59.7 Hp/l |
| Torque | 361 Nm @ 4000 rpm / 266.26 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 1GR-FE |
| Engine displacement | 3956 cm3 / 241.41 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 94 mm / 3.7 in. |
| Piston Stroke | 95 mm / 3.74 in. |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.5 l / 4.76 US qt | 3.96 UK qt |
| Coolant | 10.4 l / 10.99 US qt | 9.15 UK qt |
| Kerb Weight | 1887 kg / 4160.12 lbs. |
| Trunk (boot) space – maximum | 2625 l / 92.7 cu. ft. |
| Fuel tank capacity | 100 l / 26.42 US gal | 22 UK gal |
| Permitted trailer load with brakes (12%) | 2358 kg / 5198.5 lbs. |
| Length | 5545 mm / 218.31 in. |
| Width | 1910 mm / 75.2 in. |
| Height | 1796 mm / 70.71 in. |
| Wheelbase | 3259 mm / 128.31 in. |
| Front track | 1681 mm / 66.18 in. |
| Rear (Back) track | 1648 mm / 64.88 in. |
| Ride height (ground clearance) | 269 mm / 10.59 in. |
| Minimum turning circle (turning diameter) | 13.6 m / 44.62 ft. |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Double wishbone |
| Rear suspension | Leaf spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 245/70 R16; 265/70 R16; 265/65 R17 |
| Wheel rims size | 7.0J x 16; 7.5J x 17 |
The Toyota Tundra I Regular Cab 4.0i, while ultimately superseded by later generations, remains a significant vehicle in Toyota’s history. It demonstrated the company’s commitment to entering and competing in the highly competitive North American truck market, and established a foundation for the more successful Tundra models that followed.
