The JAC JS4 1.5T (150 Hp) CVT is a compact crossover SUV produced by the Chinese automaker JAC Motors, beginning with the 2021 model year. Positioned as a mainstream offering within the JS4 lineup, this variant aimed to provide a balance of fuel efficiency and acceptable performance for urban and highway driving. It represents JAC’s attempt to gain a foothold in the increasingly competitive global crossover market, particularly targeting buyers seeking a modern, feature-rich vehicle at a competitive price point. The JS4 itself is built upon a dedicated crossover platform, representing a shift towards more contemporary designs for the brand.
Technical Specifications
| Brand | JAC |
| Model | JS4 |
| Generation | JS4 |
| Type (Engine) | 1.5T (150 Hp) CVT |
| Start of production | 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV, Crossover |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 15.2 l/100 km (18.6 US mpg, 6.6 km/l) |
| Fuel consumption (extra urban) | 9.9 l/100 km (23.8 US mpg, 10.1 km/l) |
| Fuel consumption (combined) | 12.7 l/100 km (18.5 US mpg, 7.9 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 170 km/h (105.63 mph) |
| Weight-to-power ratio | 9.1 kg/Hp |
| Weight-to-torque ratio | 6.5 kg/Nm |
| Power | 150 Hp @ 5500 rpm |
| Power per litre | 100.1 Hp/l |
| Torque | 210 Nm @ 2000-4500 rpm (154.89 lb.-ft. @ 2000-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | HFC4GB2.4D |
| Engine displacement | 1499 cm3 (91.47 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 84.8 mm (3.34 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC, i-VVT |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant capacity | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Kerb Weight | 1365 kg (3009.31 lbs.) |
| Max. weight | 1800 kg (3968.32 lbs.) |
| Max load | 435 kg (959.01 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 1050 l (37.08 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4410 mm (173.62 in.) |
| Width | 1800 mm (70.87 in.) |
| Height | 1660 mm (65.35 in.) |
| Wheelbase | 2620 mm (103.15 in.) |
| Front track | 1510 mm (59.45 in.) |
| Rear (Back) track | 1500 mm (59.06 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Minimum turning circle | 11.2 m (36.75 ft.) |
| Approach angle | 17° |
| Departure angle | 23° |
| Climb angle | 16.7° |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | automatic transmission CVT |
| 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 | 215/50 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The JS4 1.5T CVT is powered by JAC’s HFC4GB2.4D engine, a 1.5-liter turbocharged inline-four cylinder gasoline engine. This engine utilizes multi-point fuel injection and a double overhead camshaft (DOHC) valvetrain with intelligent variable valve timing (i-VVT) on both intake and exhaust sides. The turbocharger, coupled with an intercooler, helps to boost power output and improve efficiency. The engine produces 150 horsepower at 5500 rpm and 210 Nm (154.89 lb-ft) of torque between 2000 and 4500 rpm. This engine is paired with a continuously variable transmission (CVT), designed to provide smooth and efficient power delivery. The CVT lacks traditional gear steps, instead using a belt-and-pulley system to offer a virtually infinite number of gear ratios.
Driving Characteristics
The 1.5T CVT configuration of the JS4 delivers adequate performance for everyday driving. Acceleration is reasonable, though not particularly brisk, with the CVT prioritizing fuel economy over outright speed. The CVT’s smooth operation contributes to a comfortable driving experience, but some drivers may find it lacks the responsiveness of a traditional automatic transmission. The engine’s torque curve provides sufficient power for merging onto highways and overtaking slower vehicles, but the engine can feel strained when pushed hard. Compared to potential higher-output versions (if offered), this variant prioritizes fuel efficiency and affordability over sporty performance. The CVT is tuned for economy, resulting in a less engaging driving experience than a manual transmission.
Equipment & Trim Levels
The JS4 1.5T CVT typically comes standard with features such as air conditioning, power windows, power door locks, and a basic audio system. Higher trim levels add features like a touchscreen infotainment system with smartphone integration, a rearview camera, and alloy wheels. Interior upholstery is generally cloth, with optional leather seats available on higher trims. Safety features typically include ABS, airbags, and electronic stability control. The specific standard equipment and available options can vary depending on the market and the year of manufacture.
Chassis & Braking
The JS4 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 designed to provide a comfortable ride and predictable handling. The front brakes are ventilated discs, while the rear brakes are solid discs. The steering system is a rack-and-pinion type with electric power steering. The vehicle’s ride height of 200mm (7.87 inches) provides adequate ground clearance for navigating rough roads and obstacles.
Market Reception & Comparison
The JAC JS4 1.5T CVT has received mixed reviews. Critics generally praise its value for money and its relatively modern features, but some have criticized its engine performance and interior quality. Fuel economy is a strong point, but it’s not class-leading. Compared to competitors from established brands, the JS4 often falls short in terms of refinement and brand recognition. However, its lower price point makes it an attractive option for budget-conscious buyers. The CVT transmission, while smooth, is often seen as a compromise compared to traditional automatic or manual transmissions.
Legacy
As a relatively recent model, the long-term reliability of the JAC JS4 1.5T CVT is still being established. Early reports suggest that the engine and CVT are generally reliable, but the overall durability of the vehicle remains to be seen. In the used car market, the JS4 1.5T CVT is positioned as an affordable and practical crossover SUV. Its value proposition is strongest for buyers seeking a budget-friendly vehicle with a decent level of features. The HFC4GB2.4D engine, while not a groundbreaking design, represents a solid effort from JAC to produce a modern and efficient powertrain.
