The GMC Canyon I Extended Cab, specifically the 3.5-liter (220 hp) 4WD Automatic variant, was produced from 2004 to 2006. This mid-size pickup truck represented GMC’s entry into a segment increasingly popular with buyers seeking a more manageable and fuel-efficient alternative to full-size trucks like the Sierra. Positioned as a versatile option within the Canyon lineup, the 3.5L automatic offered a balance between capability and affordability, appealing to both recreational users and those needing a practical work vehicle. It was part of the first generation Canyon (2004-2012), sharing its platform with the Chevrolet Colorado.
Technical Specifications
| Brand | GMC |
| Model | Canyon |
| Generation | Canyon I Extended Cab |
| Type (Engine) | 3.5 (220 Hp) 4WD Automatic |
| Start of production | 2004 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 4-5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.2 kg/Hp, 122.7 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 170.1 Nm/tonne |
| Power | 220 Hp @ 5600 rpm |
| Power per litre | 63.6 Hp/l |
| Torque | 305 Nm @ 2800 rpm (224.96 lb.-ft. @ 2800 rpm) |
| Maximum engine speed | 6300 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | L52 Vortec 3500 |
| Engine displacement | 3460 cm3 (211.14 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 102 mm (4.02 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, CVVT |
| Engine oil capacity | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Coolant | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1793 kg (3952.89 lbs.) |
| Max. weight | 2404 kg (5299.91 lbs.) |
| Max load | 611 kg (1347.02 lbs.) |
| Trunk (boot) space – minimum | 1243 l (43.9 cu. ft.) |
| Fuel tank capacity | 74.2 l (19.6 US gal | 16.32 UK gal) |
| Length | 5260 mm (207.09 in.) |
| Width | 1742 mm (68.58 in.) |
| Height | 1646 mm (64.8 in.) |
| Wheelbase | 3198 mm (125.91 in.) |
| Front track | 1514 mm (59.61 in.) |
| Rear (Back) track | 1460 mm (57.48 in.) |
| Minimum turning circle | 13.6 m (44.62 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 4 |
| Gearbox type | automatic transmission Hydra-Matic |
| Front suspension | Independent coil spring |
| Rear suspension | Leaf spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/75 R15; 225/70 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of this Canyon variant is the 3.5-liter (3460 cc) L52 Vortec 3500 inline five-cylinder engine. This engine, part of GM’s Vortec family, featured a cast iron block and aluminum cylinder heads. It utilized a multi-port fuel injection system and a double overhead camshaft (DOHC) valvetrain with variable valve timing (CVVT) to optimize performance and efficiency. The engine produced 220 horsepower at 5600 rpm and 225 lb-ft of torque at 2800 rpm. The Hydra-Matic 4L60-E four-speed automatic transmission was the sole transmission option for this configuration. This transmission was known for its durability and smooth shifting, but its four-speed design was becoming somewhat dated by the mid-2000s compared to newer five- and six-speed automatics.
Driving Characteristics
The 3.5L automatic Canyon offered adequate, but not exhilarating, performance. The 4L60-E transmission’s gear ratios were tuned for everyday driving and towing, rather than outright acceleration. Acceleration from 0 to 60 mph was typically in the 8-9 second range. The engine provided sufficient torque for hauling moderate loads and navigating varied terrain, especially when utilizing the 4WD system. Compared to the available 2.8L four-cylinder engine, the 3.5L offered a significant power boost. However, it lacked the responsiveness and sporty feel of the optional 4.2L inline-six. The automatic transmission, while convenient, resulted in some power loss compared to the available five-speed manual transmission.
Equipment & Trim Levels
The Extended Cab configuration added rear seats and increased interior space compared to the standard cab model. Standard features on the 3.5L 4WD Automatic Canyon typically included air conditioning, power windows and locks, an AM/FM stereo, and a basic instrument cluster. Higher trim levels, such as the SLT, added features like alloy wheels, upgraded interior upholstery, a premium sound system, and cruise control. Optional extras included a towing package, a sunroof, and leather seats. The interior was generally functional and durable, with a focus on practicality rather than luxury.
Chassis & Braking
The Canyon I utilized a body-on-frame construction, providing a robust and durable platform. The front suspension consisted of independent coil springs, while the rear suspension employed leaf springs. This setup prioritized load-carrying capacity and durability over refined ride quality. Braking duties were handled by ventilated discs at the front and drum brakes at the rear. An Anti-lock Braking System (ABS) was standard. The steering system was a hydraulic rack-and-pinion setup, offering reasonable steering feel and responsiveness. Tire sizes varied, with 205/75 R15 and 225/70 R15 being common options.
Market Reception & Comparison
The GMC Canyon, and specifically the 3.5L automatic variant, received generally positive reviews for its versatility and value. Critics praised its comfortable ride, spacious interior (for a mid-size truck), and capable 4WD system. However, some reviewers noted the engine’s lack of refinement and the transmission’s dated design. Fuel economy was average for the class, typically around 16-18 mpg city and 22-24 mpg highway. Compared to the Chevrolet Colorado (its mechanically identical twin), the Canyon offered a slightly more upscale appearance and trim options. The 3.5L automatic was often seen as a good compromise between the base 2.8L and the more powerful 4.2L engines, offering a balance of performance and fuel efficiency.
Legacy
The 3.5L Vortec 3500 engine, while not known for being exceptionally long-lived, proved to be reasonably reliable with proper maintenance. Common issues included oil leaks and occasional sensor failures. The 4L60-E transmission, while durable, could experience issues with solenoid packs and valve body wear over time. Today, the 2004-2006 GMC Canyon 3.5L 4WD Automatic can be found on the used car market at relatively affordable prices. These trucks are often sought after by those needing a capable and reliable work truck or a versatile vehicle for outdoor activities. Their relatively simple mechanical design makes them appealing to DIY mechanics and those seeking a vehicle that is easier to maintain than more modern, complex trucks.
