The Chevrolet Montana I 1.4 (99/105 hp) Econo.Flex was a compact pickup truck produced by Chevrolet from 2003 to 2011. Positioned as an entry-level offering within the Montana I generation, it catered to buyers seeking an affordable and practical utility vehicle. The Montana, based on the global GM4100 platform, was primarily marketed in South America, particularly Brazil, where it filled a niche for small, maneuverable pickups suitable for urban environments and light commercial use. This variant, with its 1.4-liter engine and five-speed manual transmission, represented the base model, offering a balance between fuel efficiency and basic functionality.
Technical Specifications
| Brand | Chevrolet |
| Model | Montana |
| Generation | Montana I |
| Type (Engine) | 1.4 (99/105 Hp) Econo.Flex |
| Start of production | 2003 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Petrol / Ethanol – E85 |
| Weight-to-power ratio | 10.9 kg/Hp, 91.8 Hp/tonne |
| Weight-to-torque ratio | 8.4 kg/Nm, 119.7 Nm/tonne |
| Power | 99 Hp @ 6000 rpm |
| Power per litre | 71.3 Hp/l |
| Power (Ethanol – E85) | 105 Hp @ 6000 rpm |
| Power per litre (Ethanol – E85) | 75.6 Hp/l |
| Torque | 129 Nm @ 2800 rpm, 95.15 lb.-ft. @ 2800 rpm |
| Torque (Ethanol – E85) | 131 Nm @ 2800 rpm |
| Maximum engine speed | 6300 rpm |
| Engine layout | Front, Transverse |
| Engine displacement | 1389 cm3, 84.76 cu. in. |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 77.6 mm, 3.06 in. |
| Piston Stroke | 73.4 mm, 2.89 in. |
| Compression ratio | 12.4:1 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 3.5 l, 3.7 US qt | 3.08 UK qt |
| Coolant | 5.4 l, 5.71 US qt | 4.75 UK qt |
| Kerb Weight | 1078 kg, 2376.58 lbs |
| Max. weight | 1808 kg, 3985.96 lbs |
| Max load | 730 kg, 1609.37 lbs |
| Trunk (boot) space – minimum | 1143 l, 40.36 cu. ft |
| Fuel tank capacity | 56 l, 14.79 US gal | 12.32 UK gal |
| Permitted trailer load with brakes (12%) | 1200 kg, 2645.55 lbs |
| Permitted trailer load without brakes | 450 kg, 992.08 lbs |
| Length | 4422 mm, 174.09 in |
| Width including mirrors | 1954 mm, 76.93 in |
| Height | 1519 mm, 59.8 in |
| Wheelbase | 2714 mm, 106.85 in |
| Front track | 1417 mm, 55.79 in |
| Rear (Back) track | 1440 mm, 56.69 in |
| Front overhang | 755 mm, 29.72 in |
| Rear overhang | 953 mm, 37.52 in |
| Ride height (ground clearance) | 153 mm, 6.02 in |
| Minimum turning circle (turning diameter) | 11.64 m, 38.19 ft |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Torsion |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 175/70 R14 |
| Wheel rims size | 5.5J x 14 |
Powertrain & Engine Architecture
The Montana I 1.4 Econo.Flex was powered by a 1.4-liter inline-four cylinder engine, designated as a member of the GM Family I/II engine family. This engine was designed to operate on both gasoline and ethanol (E85) fuel, offering flexibility to consumers in markets where ethanol availability was prevalent. The engine featured multi-port fuel injection and a single overhead camshaft (SOHC) valvetrain. The 99 horsepower output on gasoline increased to 105 horsepower when running on E85, due to ethanol’s higher octane rating and increased volumetric efficiency. The engine’s relatively simple design prioritized affordability and ease of maintenance. The five-speed manual transmission was the standard offering, providing a direct connection between the engine and the front wheels. Gear ratios were tuned for fuel economy and everyday drivability, rather than outright performance.
Driving Characteristics
The 1.4-liter engine, paired with the five-speed manual transmission, delivered modest performance. Acceleration was adequate for urban driving and light hauling, but it wasn’t designed for rapid acceleration or high-speed cruising. The engine produced peak torque at 2800 rpm, providing reasonable pulling power for its size. The manual transmission allowed drivers to maintain optimal engine speed for the task at hand, improving both fuel economy and responsiveness. Compared to potential higher-trim versions (had they been offered with larger engines), this variant prioritized fuel efficiency and affordability over outright performance. The relatively light weight of the Montana I helped to mitigate the engine’s limited power output.
Equipment & Trim Levels
The Montana I 1.4 Econo.Flex was typically equipped with basic features, reflecting its position as the entry-level model. Standard equipment generally included power steering, a basic audio system, and cloth upholstery. Air conditioning and power windows were often optional extras. The interior design was functional and utilitarian, prioritizing durability and ease of cleaning. The dashboard layout was straightforward, with clearly labeled controls. Safety features were limited, typically including only a driver’s airbag and ABS brakes.
Chassis & Braking
The Montana I utilized a front-wheel-drive layout with an independent McPherson strut suspension in the front and a torsion beam suspension in the rear. This suspension setup provided a reasonable balance between ride comfort and handling. The front brakes were disc brakes, while the rear brakes were drum brakes – a cost-saving measure common in this segment. ABS (Anti-lock Braking System) was included as standard equipment, enhancing braking performance and safety. The chassis was designed to be robust and durable, capable of handling the demands of light commercial use.
Market Reception & Comparison
The Chevrolet Montana I 1.4 Econo.Flex was well-received in its target market as an affordable and practical pickup truck. Critics praised its maneuverability, fuel efficiency, and low operating costs. However, its limited power and basic features were also noted. Compared to other small pickups available in South America, the Montana offered a competitive combination of price, practicality, and fuel economy. The Econo.Flex variant was particularly appealing to buyers who prioritized affordability and were willing to sacrifice some performance for lower running costs.
Legacy
The Chevrolet Montana I 1.4 Econo.Flex remains a common sight on the roads of South America. Its simple design and robust powertrain have contributed to its long-term reliability. In the used car market, these models are generally affordable and relatively easy to maintain. While not known for its performance or luxury, the Montana I 1.4 Econo.Flex served as a valuable and practical transportation solution for many buyers, establishing the Montana nameplate as a popular choice in the compact pickup segment.
