The Fiat Viaggio 1.4 T-Jet (150 Hp) DDCT represents a significant entry for Fiat into the competitive compact sedan market, particularly aimed at consumers in China where it was primarily sold from its introduction in September 2012 until production ceased in 2017. Positioned as a mid-range offering within the Viaggio lineup, it bridged the gap between more basic trims and potentially higher-performance variants that were never widely released. The Viaggio itself was built as part of a joint venture with GAC Fiat Chrysler Automobiles, and utilized a platform derived from the Dodge Dart, showcasing Fiat’s ambition to establish a stronger foothold in the burgeoning Chinese automotive sector. This specific 1.4 T-Jet variant aimed to balance fuel efficiency with respectable performance, appealing to buyers seeking a modern and comfortable sedan.
Technical Specifications
| Brand | Fiat |
| Model | Viaggio |
| Generation | Viaggio |
| Type (Engine) | 1.4 T-Jet (150 Hp) DDCT |
| Start of production | September, 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 7.5 l/100 km |
| Fuel consumption (US mpg) | 31.4 US mpg |
| Fuel consumption (UK mpg) | 37.7 UK mpg |
| Fuel consumption (km/l) | 13.3 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.5 sec |
| Acceleration 0 – 62 mph | 9.5 sec |
| Acceleration 0 – 60 mph | 9 sec |
| Maximum speed | 207 km/h (128.62 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.9 kg/Hp, 100.7 Hp/tonne |
| Weight-to-torque ratio | 6.5 kg/Nm, 154.4 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 | 1490 kg (3284.89 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 | 6 gears, automatic transmission DDCT |
| 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
At the heart of the Fiat Viaggio 1.4 T-Jet (150 Hp) DDCT lies the 343A0027 engine code, a 1.4-liter turbocharged inline-four cylinder gasoline engine. This engine is a member of Fiat’s T-Jet family, known for its relatively compact size and efficiency. The engine utilizes a multi-point fuel injection system, delivering fuel directly into the intake ports. The double overhead camshaft (DOHC) valvetrain, coupled with four valves per cylinder, optimizes airflow for improved performance. A key component is the turbocharger with an intercooler, which forces more air into the engine, boosting power output. The 150 horsepower peak is achieved at 5500 rpm, while the 230 Nm (169.64 lb-ft) of torque is readily available from 3000 rpm, providing good mid-range responsiveness. The engine is paired with a six-speed Dual Dry Clutch Transmission (DDCT), a type of automated manual transmission designed for quick and smooth gear changes. This DDCT transmission was intended to offer the efficiency of a manual gearbox with the convenience of an automatic.
Driving Characteristics
The 1.4 T-Jet engine, when coupled with the DDCT transmission, delivers a driving experience that prioritizes comfort and usability over outright performance. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 9.5 seconds, which is adequate for everyday driving but doesn’t position it as a particularly sporty vehicle. The DDCT transmission generally provides smooth shifts, although some drivers have reported occasional hesitation at lower speeds. Compared to a manual transmission version (if offered), the DDCT sacrifices some driver engagement but offers greater convenience, especially in congested urban environments. Compared to potential higher-output T-Jet variants, this 150 hp version offers a more balanced fuel economy, making it a practical choice for daily commutes. The gear ratios are tuned for fuel efficiency and smooth cruising, rather than aggressive acceleration.
Equipment & Trim Levels
The 1.4 T-Jet DDCT trim of the Fiat Viaggio typically included standard features such as air conditioning, power windows, power mirrors, a basic audio system with USB connectivity, and ABS brakes. Interior upholstery was generally cloth, with a focus on durability and comfort. Higher trim levels, available as options, could add features like leather seats, a more advanced infotainment system with a touchscreen display, automatic climate control, and rear parking sensors. The dashboard layout was relatively straightforward, prioritizing functionality and ease of use. Optional extras often included alloy wheels, a sunroof, and upgraded sound systems.
Chassis & Braking
The Fiat Viaggio utilizes 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 is typical for vehicles in this class, offering a good balance between ride comfort and handling. The front brakes are ventilated discs, providing adequate stopping power, while the rear brakes are solid discs. The electric power steering provides light and responsive steering feel, making it easy to maneuver in urban environments. Stabilizer bars are included on both axles to reduce body roll during cornering.
Market Reception & Comparison
The Fiat Viaggio 1.4 T-Jet DDCT was generally well-received in the Chinese market as a comfortable and reasonably efficient sedan. Critics praised its modern styling and interior quality, but some noted that the engine’s performance was adequate but not exceptional. Compared to other compact sedans available in China at the time, such as the Volkswagen Lavida or the Hyundai Elantra, the Viaggio offered a competitive level of features and value. Fuel economy was a strong point, with the 7.5 l/100 km combined fuel consumption being competitive within its segment. Reliability reports were mixed, with some owners reporting minor issues with the DDCT transmission.
Legacy
The Fiat Viaggio, while not a global success, represents an important chapter in Fiat’s efforts to expand its presence in the Chinese market. The 1.4 T-Jet engine, in this configuration, has proven to be reasonably reliable, although the DDCT transmission can be a potential source of maintenance issues as the vehicle ages. In the used car market, the Viaggio 1.4 T-Jet DDCT offers an affordable entry point into the compact sedan segment, but potential buyers should be aware of the potential for transmission-related repairs. The Viaggio’s design and technology influenced subsequent Fiat models, and it served as a valuable learning experience for the company in navigating the complexities of the Chinese automotive market.

