2015-2019 Fiat Doblo II (263 facelift ) 1.4 T-JET (120 Hp) CNG

The Fiat Doblo II (263 series), particularly the facelifted version introduced in January 2015 and produced through August 2019, represented a significant evolution of Fiat’s compact multi-purpose vehicle (MPV). The 1.4 T-JET 120 Hp CNG variant occupied a unique position within the Doblo II lineup, offering a blend of fuel efficiency through its Compressed Natural Gas (CNG) capability, reasonable performance, and practicality for families or commercial users. This model was primarily aimed at the European market, where CNG infrastructure was more developed and demand for alternative fuel vehicles was growing. It served as a bridge between the more basic, lower-powered versions and the higher-specification diesel options.

Technical Specifications

Brand Fiat
Model Doblo
Generation Doblo II (263, facelift 2015)
Type (Engine) 1.4 T-JET (120 Hp) CNG
Start of production January, 2015
End of production August, 2019
Powertrain Architecture Internal Combustion engine
Body type Minivan
Seats 7
Doors 5
Fuel consumption (economy) – urban 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l)
Fuel consumption (economy) – urban (CNG) 6.5 kg/100 km
Fuel consumption (economy) – extra urban 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l)
Fuel consumption (economy) – extra urban (CNG) 4.0 kg/100 km
Fuel consumption (economy) – combined 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l)
Fuel consumption (economy) – combined (CNG) 4.9 kg/100 km
CO2 emissions 173 g/km
CO2 emissions (CNG) 134 g/km
Fuel Type Petrol / CNG
Acceleration 0 – 100 km/h 12.3 sec
Acceleration 0 – 62 mph 12.3 sec
Acceleration 0 – 60 mph 11.7 sec
Maximum speed 172 km/h (106.88 mph)
Emission standard Euro 6
Weight-to-power ratio 12.8 kg/Hp, 77.9 Hp/tonne
Weight-to-torque ratio 7.5 kg/Nm, 133.8 Nm/tonne
Power 120 Hp @ 5000 rpm
Power per litre 87.7 Hp/l
Torque 206 Nm @ 2000 rpm (151.94 lb.-ft. @ 2000 rpm)
Engine layout Front, Transverse
Engine Model/Code 198A4000
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.)
Compression ratio 9.8:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Turbocharger, Intercooler
Engine oil capacity 2.9 l (3.06 US qt, 2.55 UK qt)
Coolant 5.8 l (6.13 US qt, 5.1 UK qt)
Kerb Weight 1540 kg (3395.12 lbs.)
Trunk (boot) space – minimum 790 l (27.9 cu. ft.)
Trunk (boot) space – maximum 3200 l (113.01 cu. ft.)
Fuel tank capacity 22 l (5.81 US gal, 4.84 UK gal)
CNG cylinder capacity 16.15 kg
Permitted trailer load with brakes (12%) 1000 kg (2204.62 lbs.)
Permitted trailer load without brakes 500 kg (1102.31 lbs.)
Length 4406 mm (173.46 in.)
Width 1832 mm (72.13 in.)
Height 1899 mm (74.76 in.)
Wheelbase 2755 mm (108.46 in.)
Front track 1510 mm (59.45 in.)
Rear (Back) track 1530 mm (60.24 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, manual transmission
Front suspension Independent type McPherson
Rear suspension Independent coil spring
Front brakes Ventilated discs
Rear brakes Drum
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Tires size 195/60 R16 C 99T
Wheel rims size 16

INTRODUCTION

The Fiat Doblo II, launched in 2009 and receiving a significant facelift in 2015, quickly became a popular choice in the European MPV segment. Known for its practicality, spacious interior, and relatively affordable price point, the Doblo II catered to a wide range of buyers, from families seeking a versatile vehicle to businesses needing a compact van for deliveries. The 1.4 T-JET 120 Hp CNG version, introduced with the 2015 facelift, was a key component of Fiat’s strategy to offer more environmentally friendly and cost-effective options. It was built on the 1HX0/A3 platform, shared with other Stellantis vehicles like the Opel Combo and Peugeot Partner.

Powertrain & Engine Architecture

At the heart of the Doblo II 1.4 T-JET CNG lies the 198A4000 engine, a 1.4-liter inline-four cylinder gasoline engine equipped with a turbocharger and intercooler. This engine is part of Fiat’s T-JET (Turbo Jet) family, known for its responsiveness and relatively good fuel economy. The engine utilizes multi-point fuel injection and a compression ratio of 9.8:1. The CNG conversion is a bi-fuel system, meaning the engine can run on either gasoline or compressed natural gas, or a combination of both. When running on CNG, the engine management system automatically adjusts the fuel delivery to optimize performance and efficiency. The 6-speed manual transmission was standard for this variant, providing a good balance between fuel economy and drivability. The transmission’s gear ratios were tuned to maximize the engine’s torque output at lower speeds, which was particularly beneficial when running on CNG.

Driving Characteristics

The 1.4 T-JET 120 Hp engine, paired with the 6-speed manual transmission, offered a decent driving experience for the Doblo II. While not particularly sporty, it provided sufficient power for everyday driving, including highway cruising and carrying a full load of passengers or cargo. Acceleration from 0-60 mph took around 11.7 seconds, and the top speed was approximately 106.88 mph. Compared to the lower-powered 1.3 Multijet diesel engine, the 1.4 T-JET offered a more responsive feel, especially at higher engine speeds. However, it lacked the low-end torque of the diesel. Compared to the higher-output 1.6 Multijet diesel, the 1.4 T-JET was noticeably less powerful, but it offered a smoother and quieter driving experience. The CNG operation slightly reduced overall power output compared to gasoline mode, but the lower fuel costs often offset this difference.

Equipment & Trim Levels

The 1.4 T-JET 120 Hp CNG variant of the Doblo II typically came with a reasonable level of standard equipment. This included features like air conditioning, power windows, central locking, and an audio system with USB connectivity. Higher trim levels offered additional features such as alloy wheels, a touchscreen infotainment system, rear parking sensors, and cruise control. Interior upholstery was typically cloth, with options for upgraded materials on higher trims. The dashboard layout was functional and straightforward, with easy-to-use controls. Safety features included ABS brakes, electronic stability control, and airbags for the driver and front passenger.

Chassis & Braking

The Doblo II featured a McPherson strut front suspension and an independent coil spring rear suspension, providing a comfortable ride quality. The suspension was tuned to prioritize comfort over sporty handling. The front brakes were ventilated discs, while the rear brakes were drums. This configuration was adequate for the vehicle’s weight and intended use. ABS (Anti-lock Braking System) was standard, enhancing braking performance and stability. The steering was a rack and pinion system, providing precise and responsive steering feel.

Market Reception & Comparison

The Doblo II 1.4 T-JET CNG was generally well-received by critics for its fuel efficiency and practicality. The CNG conversion allowed owners to benefit from lower fuel costs, particularly in countries with favorable CNG pricing. However, some reviewers noted that the engine lacked the refinement of some of its competitors. Compared to the diesel versions, the 1.4 T-JET CNG offered a quieter and smoother driving experience, but it had slightly higher CO2 emissions when running on gasoline. Fuel economy was a strong point, achieving around 31.8 US mpg on a combined cycle when running on gasoline and even better when utilizing CNG. Reliability was generally good, with few reported issues specific to the 1.4 T-JET engine or CNG conversion.

Legacy

The Fiat Doblo II 1.4 T-JET 120 Hp CNG remains a practical and affordable option in the used car market. The 198A4000 engine has proven to be relatively reliable, and the CNG conversion, when properly maintained, can provide significant cost savings. However, potential buyers should be aware of the need for regular servicing of the CNG system. The Doblo II’s spacious interior and versatile configuration continue to make it a popular choice for families and small businesses. While newer MPVs offer more advanced technology and features, the Doblo II 1.4 T-JET CNG represents a solid and dependable option for those seeking a practical and fuel-efficient vehicle.

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