The Fiat Viaggio 1.4 T-Jet (150 hp) was a compact sedan produced by Fiat between September 2012 and 2017. Designed primarily for the Chinese market, the Viaggio represented Fiat’s attempt to establish a stronger foothold in the world’s largest automotive market. It was built in a joint venture with GAC Fiat Chrysler Automobiles. The Viaggio, meaning “journey” in Italian, was positioned as a modern, comfortable, and technologically equipped sedan aimed at attracting a growing middle-class consumer base. This particular 1.4 T-Jet variant occupied a mid-range position within the Viaggio lineup, offering a balance between performance and fuel efficiency. It sat above the base 1.4L naturally aspirated engine and below the more powerful 1.9L options.
Technical Specifications
| Brand | Fiat |
| Model | Viaggio |
| Generation | Viaggio |
| Type (Engine) | 1.4 T-Jet (150 Hp) |
| Start of production | September, 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 7.2 l/100 km |
| Fuel consumption (US mpg) | 32.7 US mpg |
| Fuel consumption (UK mpg) | 39.2 UK mpg |
| Fuel consumption (km/l) | 13.9 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 196 km/h (121.79 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.5 kg/Hp, 105.3 Hp/tonne |
| Weight-to-torque ratio | 6.2 kg/Nm, 161.4 Nm/tonne |
| Power | 150 Hp @ 5500 rpm |
| Power per litre | 109.6 Hp/l |
| Torque | 230 Nm @ 3000 rpm (169.64 lb.-ft. @ 3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 343A0027 |
| Engine displacement | 1368 cm3 (83.48 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 72 mm (2.83 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 3.2 l (3.38 US qt | 2.82 UK qt) |
| Coolant capacity | 5.4 l (5.71 US qt | 4.75 UK qt) |
| Kerb Weight | 1425 kg (3141.59 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4679 mm (184.21 in.) |
| Width | 1850 mm (72.83 in.) |
| Height | 1471 mm (57.91 in.) |
| Wheelbase | 2708 mm (106.61 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear track | 1570 mm (61.81 in.) |
| Minimum turning circle | 11.2 m (36.75 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 |
| Rear suspension | Torsion |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/45 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the Fiat Viaggio 1.4 T-Jet is the 343A0027 engine code, a 1.4-liter turbocharged inline-four cylinder gasoline engine. This engine is part of Fiat’s “T-Jet” family, known for its relatively compact size and efficient power delivery. The engine utilizes a multi-point fuel injection system, delivering fuel directly into the intake ports. The double overhead camshaft (DOHC) valvetrain, with four valves per cylinder, optimizes airflow for improved performance. A turbocharger with an intercooler is employed to increase air density and boost power output. The 1.4 T-Jet produces 150 horsepower at 5500 rpm and 230 Nm (169.64 lb-ft) of torque at 3000 rpm. The engine is transversely mounted in the front of the vehicle. The Viaggio 1.4 T-Jet was exclusively offered with a 5-speed manual transmission, providing drivers with direct control over gear selection. The transmission’s gear ratios were tuned to balance acceleration and fuel economy.
Driving Characteristics
The 1.4 T-Jet engine in the Viaggio provided a noticeable step up in performance compared to the base 1.4L naturally aspirated engine. While not a sports sedan, the turbocharger provided a useful boost of power for overtaking and highway cruising. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 10.5 seconds. The 5-speed manual transmission allowed for engaging driving experience, but the gear ratios weren’t particularly aggressive, prioritizing fuel efficiency over outright acceleration. Compared to higher-trim Viaggio models equipped with larger engines, the 1.4 T-Jet felt less powerful, especially at higher speeds. However, it offered a more refined and economical driving experience, making it suitable for daily commuting and urban driving.
Equipment & Trim Levels
The 1.4 T-Jet trim of the Fiat Viaggio typically included standard features such as air conditioning, power windows, power door locks, and a basic audio system with USB connectivity. Interior upholstery was generally cloth, with a dark color scheme. Higher trim levels offered upgrades like leather seats, a sunroof, and a more advanced infotainment system with navigation. Optional extras included rear parking sensors, automatic climate control, and alloy wheels. The dashboard layout was relatively straightforward, with a focus on functionality and ease of use. Safety features included ABS (Anti-lock Braking System) and airbags.
Chassis & Braking
The Fiat Viaggio 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 comfortable ride quality, suitable for the often-rough road conditions found in China. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The steering system was an electric power steering rack and pinion, providing light and responsive steering feel. The Viaggio 1.4 T-Jet rode on 17-inch alloy wheels with 225/45 R17 tires.
Market Reception & Comparison
The Fiat Viaggio 1.4 T-Jet received mixed reviews from automotive critics. While praised for its comfortable ride, spacious interior, and relatively modern features, some reviewers found the engine to be underpowered for highway driving. Fuel economy was generally considered to be good, averaging around 7.2 l/100 km (32.7 US mpg). Compared to other compact sedans in the Chinese market, the Viaggio offered a competitive level of equipment and value for money. However, it faced stiff competition from established brands like Volkswagen, Toyota, and Honda. The 1.4 T-Jet variant was often seen as a good compromise between performance and fuel efficiency, appealing to buyers who prioritized practicality and affordability.
Legacy
The Fiat Viaggio, while not a massive sales success globally, played a role in Fiat’s efforts to expand its presence in the Chinese market. The 1.4 T-Jet engine proved to be relatively reliable, with few widespread mechanical issues reported. On the used car market, the Viaggio 1.4 T-Jet remains an affordable option for buyers seeking a comfortable and reasonably efficient compact sedan. Maintenance costs are generally moderate, and parts availability is adequate. However, potential buyers should be aware of the car’s age and mileage, and ensure that it has been properly maintained. The Viaggio’s legacy lies in its attempt to bridge the gap between Italian design and Chinese market demands.

