The GMC Canyon I Regular Cab, produced from 2004 to 2006, represented GMC’s entry into the mid-size pickup truck market. Positioned as a more compact and affordable alternative to the full-size Sierra, the Canyon aimed to appeal to buyers who didn’t require the larger capacity of a full-size truck. The 2.8-liter (175 hp) variant, paired with a 5-speed manual transmission, served as the base engine option, offering a balance of utility and economy. It was part of the first generation Canyon (model code: GMT325) which shared a platform with the Chevrolet Colorado and Isuzu i-Series.
Technical Specifications
| Brand | GMC |
| Model | Canyon |
| Generation | Canyon I Regular Cab |
| Type (Engine) | 2.8 (175 Hp) |
| Start of production | 2004 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2-3 |
| Doors | 2 |
| Fuel consumption (urban) | 12.2 l/100 km (19.3 US mpg) |
| Fuel consumption (extra urban) | 8.2 l/100 km (28.7 US mpg) |
| Fuel consumption (combined) | 10.4 l/100 km (22.6 US mpg) |
| CO2 emissions | 247 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.1 kg/Hp |
| Weight-to-torque ratio | 5.6 kg/Nm |
| Power | 175 Hp @ 5600 rpm |
| Power per litre | 63.2 Hp/l |
| Torque | 251 Nm @ 2800 rpm (185.13 lb.-ft. @ 2800 rpm) |
| Maximum engine speed | 6300 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | LK5 Vortec 2800 |
| Engine displacement | 2770 cm3 (169.04 cu. in.) |
| Number of cylinders | 4 |
| 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 | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant capacity | 9.8 l (10.36 US qt | 8.62 UK qt) |
| Kerb Weight | 1417 kg (3123.95 lbs.) |
| Max. weight | 2200 kg (4850.17 lbs.) |
| Max load | 783 kg (1726.22 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) |
| Permitted trailer load with brakes (12%) | 1088 kg (2398.63 lbs.) |
| Length | 4897 mm (192.8 in.) |
| Width | 1717 mm (67.6 in.) |
| Height | 1646 mm (64.8 in.) |
| Wheelbase | 2825 mm (111.22 in.) |
| Front track | 1460 mm (57.48 in.) |
| Rear (Back) track | 1460 mm (57.48 in.) |
| Ride height (ground clearance) | 216 mm (8.5 in.) |
| Minimum turning circle (turning diameter) | 12.4 m (40.68 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| 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 was the LK5 Vortec 2800 engine, a 2.8-liter inline-four cylinder powerplant. This engine was part of the Vortec family, known for its relatively simple and robust design. It featured a cast iron block and aluminum cylinder head, incorporating a dual overhead camshaft (DOHC) design with variable valve timing (CVVT) for improved efficiency and responsiveness. Fuel delivery was handled by a multi-port fuel injection system. The engine produced 175 horsepower at 5600 rpm and 185 lb-ft of torque at 2800 rpm. The 5-speed manual transmission provided a relatively direct connection to the engine, offering drivers more control compared to the available automatic option. The longitudinal engine layout was typical for rear-wheel-drive trucks of this era.
Driving Characteristics
The 2.8-liter engine, while adequate for everyday driving, wasn’t known for its blistering performance. Acceleration was modest, and passing maneuvers required planning. The 5-speed manual transmission helped to maximize the engine’s potential, allowing drivers to keep the engine in its optimal power band. Gear ratios were fairly standard for a truck of this class, prioritizing low-end torque for hauling and towing over outright speed. Compared to the optional 3.5-liter inline-five or the 4.2-liter inline-six engines, the 2.8L felt noticeably less powerful. However, it offered better fuel economy and a lighter front end, contributing to slightly more nimble handling.
Equipment & Trim Levels
The base Canyon Regular Cab with the 2.8-liter engine typically came with a fairly basic set of features. Standard equipment included air conditioning, a basic audio system, and vinyl upholstery. Power windows and locks were often optional extras. The interior was functional and durable, designed for work rather than luxury. Optional packages could add features like cruise control, upgraded audio systems, and cloth upholstery. The Regular Cab configuration offered a bench seat capable of seating three passengers, though it was often used as a two-seater for increased work space.
Chassis & Braking
The Canyon I Regular Cab 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 – a common setup for pickup trucks designed for hauling. Braking duties were handled by ventilated discs in the front and drum brakes in the rear. ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations. The rear leaf spring suspension was tuned for load-carrying capacity, resulting in a somewhat firm ride when unladen.
Market Reception & Comparison
The 2.8-liter Canyon was generally viewed as a practical and affordable option for buyers who didn’t need the power or capacity of larger trucks. Critics noted its adequate fuel economy and relatively simple mechanical design, which translated to lower maintenance costs. However, the engine’s lack of power was a common complaint. Compared to the more powerful engine options, the 2.8L Canyon offered a lower price point and better fuel efficiency, making it an attractive choice for budget-conscious buyers. The Toyota Tacoma and Nissan Frontier were primary competitors in the mid-size truck segment, often praised for their reliability and resale value.
Legacy
The LK5 Vortec 2800 engine, while not a powerhouse, proved to be a relatively reliable powertrain. Common issues included oil leaks and occasional sensor failures, but overall, the engine was known for its durability. Today, used Canyon I Regular Cab models with the 2.8-liter engine are often found at very affordable prices. They represent a good value for buyers seeking a basic, functional pickup truck for light-duty tasks. The simplicity of the engine and transmission makes it relatively easy and inexpensive to maintain, contributing to its continued appeal in the used car market. However, potential buyers should be aware of the engine’s limited power and the truck’s relatively basic features.
