The Luxgen S5, particularly the facelifted version introduced in 2015, represented a significant effort by the Taiwanese automaker Luxgen to establish a foothold in the competitive mid-size sedan segment. Produced from 2015 to 2019, the S5 aimed to offer a blend of style, technology, and value. The 1.8i variant, equipped with a 170 horsepower turbocharged engine and a six-speed automatic transmission, occupied a central position within the S5 lineup, offering a balance between performance and fuel efficiency. This model was primarily targeted towards family buyers seeking a comfortable and well-equipped vehicle.
Technical Specifications
| Brand | Luxgen |
| Model | S5 |
| Generation | S5 (facelift 2015) |
| Type (Engine) | 1.8i (170 Hp) Automatic |
| Start of production | 2015 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.3 kg/Hp, 120.6 Hp/tonne |
| Power | 170 Hp |
| Power per litre | 94.5 Hp/l |
| Engine displacement | 1798 cm3 (109.72 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Engine aspiration | Turbocharger, Intercooler |
| Kerb Weight | 1410 kg (3108.52 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 UK gal) |
| Length | 4690 mm (184.65 in.) |
| Width | 1805 mm (71.06 in.) |
| Height | 1490 mm (58.66 in.) |
| Wheelbase | 2720 mm (107.09 in.) |
| Front track | 1555 mm (61.22 in.) |
| Rear (Back) track | 1565 mm (61.61 in.) |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | Front wheel drive, Internal Combustion engine |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 205/60 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the S5 1.8i was a 1.8-liter inline-four cylinder engine, designated as a turbocharged unit. This engine utilized a single-scroll turbocharger with an intercooler, boosting power output to 170 horsepower. The engine employed multi-point fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration allowed for efficient combustion and a relatively broad powerband. The six-speed automatic transmission was a conventional torque converter type, chosen for its smoothness and ease of use. While not offering the lightning-fast shifts of a dual-clutch transmission, it was well-suited to the S5’s intended role as a comfortable family sedan. The engine code specifics varied depending on the market, but generally adhered to modern fuel efficiency standards.
Driving Characteristics
The 1.8i automatic S5 delivered a comfortable and predictable driving experience. The turbocharger provided a noticeable boost in power during acceleration, but the automatic transmission’s programming prioritized smooth shifts over aggressive downshifts. Compared to potential manual transmission versions (not widely available in all markets), the automatic offered less driver engagement but greater convenience. Against higher-output variants, if offered, the 1.8i naturally lagged in outright speed, but its lighter weight and adequate torque made it feel responsive in everyday driving situations. The gear ratios were tuned for fuel economy and cruising comfort, rather than maximizing performance. The steering was light and easy, making it well-suited for urban driving.
Equipment & Trim Levels
The S5 1.8i typically came standard with a respectable array of features. These included air conditioning, power windows and locks, a basic audio system with USB connectivity, and ABS brakes. Higher trim levels added features such as leather upholstery, a sunroof, alloy wheels, and a more advanced infotainment system with navigation. Safety features like airbags were standard across the range. The interior design was generally modern and functional, with a focus on providing a comfortable and spacious cabin for passengers. The dashboard layout was straightforward and easy to use, although material quality was generally average for the price point.
Chassis & Braking
The S5 utilized a front-wheel-drive platform with independent suspension in the front and a multi-link suspension in the rear. This setup provided a good balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The steering system was a power-assisted rack-and-pinion setup. The 16-inch wheels were fitted with 205/60 R16 tires, providing a reasonable level of grip and ride comfort. Stabilizer bars were included both front and rear to reduce body roll during cornering.
Market Reception & Comparison
The Luxgen S5 1.8i faced stiff competition in the mid-size sedan segment. Critics generally praised its spacious interior and comfortable ride, but noted that its engine lacked the refinement and power of some of its rivals. Fuel economy was considered average for its class. Compared to other turbocharged four-cylinder engines available at the time, the S5’s engine was competitive in terms of horsepower, but some competitors offered more sophisticated engine technologies. Reliability reports were mixed, with some owners reporting issues with the infotainment system and minor mechanical components. However, the S5 generally offered good value for money, particularly considering its level of equipment.
Legacy
The Luxgen S5, while not a major sales success globally, represented an important step for the Taiwanese automaker. It demonstrated Luxgen’s ability to design and manufacture a competitive mid-size sedan. The 1.8i variant, with its turbocharged engine and automatic transmission, proved to be a popular choice among buyers seeking a comfortable and well-equipped vehicle. In the used car market, the S5 1.8i remains an affordable option for those seeking a spacious and practical sedan. While long-term reliability can vary, the powertrain is generally considered to be reasonably durable with proper maintenance. The S5’s legacy lies in its contribution to the development of the Taiwanese automotive industry and its attempt to establish a global presence for the Luxgen brand.
