Technical Specifications
| Brand | Ligier |
| Model | JS50 |
| Generation | JS50 I Long |
| Type (Engine) | 0.5 DCI (5 Hp) CVT |
| Start of production | October, 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Quadricycle |
| Seats | 2 |
| Doors | 3 |
| Fuel consumption (combined) | 2.5 l/100 km (94.1 US mpg, 113 UK mpg, 40 km/l) |
| CO2 emissions | 65 g/km |
| Fuel Type | Diesel |
| Maximum speed | 45 km/h (27.96 mph) |
| Weight-to-power ratio | 70 kg/Hp, 14.3 Hp/tonne |
| Weight-to-torque ratio | 13.5 kg/Nm, 74.3 Nm/tonne |
| Power | 5 Hp @ 3200 rpm |
| Power per litre | 10.4 Hp/l |
| Torque | 26 Nm @ 1400 rpm (19.18 lb.-ft. @ 1400 rpm) |
| Maximum engine speed | 3400 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | LDW492DCI |
| Engine displacement | 480 cm3 (29.29 cu. in.) |
| Number of cylinders | 2 |
| Engine configuration | Inline |
| Cylinder Bore | 69 mm (2.72 in.) |
| Piston Stroke | 64 mm (2.52 in.) |
| Number of valves per cylinder | 2 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 2.1 l (2.22 US qt | 1.85 UK qt) |
| Coolant | 3.1 l (3.28 US qt | 2.73 UK qt) |
| Kerb Weight | 350 kg (771.62 lbs.) |
| Max. weight | 675 kg (1488.12 lbs.) |
| Max load | 325 kg (716.5 lbs.) |
| Fuel tank capacity | 17.5 l (4.62 US gal | 3.85 UK gal) |
| Length | 2990 mm (117.72 in.) |
| Width | 1561 mm (61.46 in.) |
| Width including mirrors | 1782 mm (70.16 in.) |
| Height | 1372 mm (54.02 in.) |
| Front track | 1372 mm (54.02 in.) |
| Rear (Back) track | 1356 mm (53.39 in.) |
| Minimum turning circle | 9.2 m (30.18 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 | automatic transmission CVT |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent coil spring |
| Front brakes | Disc, 220 mm |
| Rear brakes | Disc, 180 mm |
| Steering type | Steering rack and pinion |
| Tires size | 145/70 R13; 155/65 R14; 155/60 R15 |
| Wheel rims size | 13; 14; 15 |
The Ligier JS50 I Long 0.5 DCI (5 Hp) CVT, manufactured between 2012 and 2017, is a compact quadricycle designed for urban transportation. It occupies a unique niche within the European vehicle market, bridging the gap between motorcycle agility and the weather protection of a car. Built on the JS50 I platform, the “Long” variant distinguishes itself with an extended wheelbase, offering enhanced passenger space. This specific version, powered by a small-displacement diesel engine and coupled with a continuously variable transmission (CVT), targeted buyers seeking an economical and user-friendly vehicle for city commutes.
Powertrain & Engine Architecture
The JS50 I Long 0.5 DCI’s powertrain centers around the LDW492DCI engine, a 480cc inline two-cylinder diesel. Despite its modest 5 horsepower output, this engine prioritizes fuel efficiency and reduced emissions. It incorporates a diesel common rail fuel injection system, optimizing combustion and minimizing particulate matter. The engine features a single overhead camshaft (SOHC) valvetrain, controlling two valves per cylinder. The engine is mounted transversely at the front of the vehicle. The CVT (Continuously Variable Transmission) contributes to a smooth driving experience. Unlike conventional automatic transmissions with fixed gear ratios, a CVT provides a virtually infinite number of ratios within its operating range, allowing the engine to consistently operate at its most efficient point.
Driving Characteristics
The driving experience in the JS50 I Long 0.5 DCI is largely defined by its limited power. Acceleration is gradual, making it best suited for level urban roads. The CVT transmission maximizes the available power, delivering smooth and consistent acceleration. However, overtaking requires careful consideration. The vehicle’s lightweight construction (350 kg kerb weight) partially compensates for the lack of power, and its compact size simplifies maneuvering in congested areas. Compared to more powerful JS50 variants, or those equipped with manual transmissions, this version emphasizes fuel economy and ease of use over outright performance. The CVT eliminates the need for manual gear changes, appealing to both new drivers and those who prefer a relaxed driving style.
Equipment & Trim Levels
The JS50 I Long 0.5 DCI typically came equipped with functional, albeit basic, features. Standard equipment generally included front disc brakes, rear disc brakes, a rack and pinion steering system, and simple interior trim. Interiors usually featured cloth upholstery and a straightforward dashboard layout. Optional extras could include upgraded audio systems, alloy wheels, and a selection of exterior color options. The “Long” variant offered increased interior space compared to the standard JS50, enhancing passenger comfort. Air conditioning was frequently available as an optional upgrade, a welcome addition in warmer climates.
Chassis & Braking
The JS50 I Long utilizes a lightweight chassis designed for optimal efficiency. The front suspension employs independent McPherson struts, while the rear suspension features an independent coil spring setup. This suspension configuration provides a reasonable level of ride comfort, considering the vehicle’s size and weight. The braking system incorporates disc brakes on all four wheels, providing adequate stopping power for its limited speed. The steering is rack and pinion, offering precise and responsive handling.
Market Reception & Comparison
The Ligier JS50 I Long 0.5 DCI was generally well-received in markets where microcars are popular, such as France and Italy. Reviewers praised its fuel efficiency, low running costs, and ease of operation. However, the limited power and slow acceleration were frequently noted as drawbacks. Compared to other JS50 variants, like those with gasoline engines or manual transmissions, the 0.5 DCI CVT offered the lowest performance but the highest fuel economy. It proved popular among buyers prioritizing practicality and affordability over driving excitement. Its fuel economy of 2.5 l/100km was a significant selling point, particularly in regions with high fuel prices.
Legacy
The Ligier JS50 I Long 0.5 DCI remains a common sight on European roads, especially in urban environments. The LDW492DCI engine, despite its simplicity, has demonstrated reasonable reliability. The CVT transmission, when properly maintained, can also provide years of dependable service. In the used car market, these vehicles are typically affordable and represent a cost-effective transportation solution. However, prospective buyers should be aware of the vehicle’s limited performance capabilities and the potential challenges in sourcing spare parts as the vehicle ages. The JS50 I Long 0.5 DCI represents a unique chapter in automotive history, showcasing a practical and efficient solution for urban mobility.
