The Seat Leon III ST (facelift 2016) 2.0 TDI (184 Hp) DSG is a compact station wagon (estate) produced by the Spanish automobile manufacturer SEAT from 2016 to 2018. As part of the third generation of the Leon, the ST (SportTourer) variant offered increased practicality compared to the hatchback model. While SEAT vehicles are not officially sold in the United States, the Leon is a popular model in Europe, competing with vehicles like the Volkswagen Golf Estate, Ford Focus Wagon, and Skoda Octavia Combi. The facelifted 2016 model brought styling updates, improved technology, and refined engine options, including the 2.0 TDI diesel engine paired with a dual-clutch DSG transmission.
Seat Leon III ST: Overview and Market Position
The Seat Leon has been a key model in SEAT’s lineup since its introduction in 1999, representing the brand’s entry into the competitive compact segment. The third generation, launched in 2012, aimed to elevate the Leon’s image with a more sophisticated design and improved driving dynamics. The ST variant, introduced later, catered to buyers needing more cargo space without sacrificing the Leon’s sporty character. In Europe, the Leon ST competed directly with other popular estate cars, offering a blend of practicality, efficiency, and value. The 2016 facelift further enhanced its appeal with updated styling and improved equipment levels.
Engine & Performance
The 2016 Seat Leon III ST 2.0 TDI (184 Hp) DSG is powered by a 2.0-liter inline four-cylinder diesel engine, designated CUPA or CUNA. This engine produces 184 horsepower at 3,500-4,000 rpm and 380 Nm (280.27 lb.-ft.) of torque between 1,750 and 3,000 rpm. The engine features a turbocharger with intercooler and a diesel commonrail fuel injection system, contributing to its efficiency and performance. Power is delivered to the front wheels via a six-speed dual-clutch DSG (Direct-Shift Gearbox) automatic transmission. This combination allows for quick and smooth gear changes, enhancing both acceleration and fuel economy. The vehicle achieves a 0-100 km/h (0-62 mph) time of 7.8 seconds and a 0-60 mph time of 7.4 seconds, with a maximum speed of 226 km/h (140.43 mph). The engine’s specific output is 93.5 horsepower per liter, demonstrating its relatively high power density. The car meets Euro 6 emission standards, indicating a focus on reducing harmful emissions.
Design & Features
The Seat Leon III ST is a five-door, five-seat station wagon. The facelifted model features revised front and rear styling, including redesigned headlights, a new front grille, and updated bumpers. Inside, the cabin boasts a modern design with a focus on ergonomics and practicality. Standard features typically include air conditioning, power windows, central locking, and an infotainment system with a touchscreen display. Higher trim levels offer additional features such as navigation, automatic climate control, and parking sensors. Safety features include ABS (Anti-lock Braking System), electronic stability control, and multiple airbags. The ST variant offers a generous 587 liters (20.73 cu. ft.) of trunk space, which can be expanded by folding down the rear seats. The vehicle’s dimensions are 4,549 mm (179.09 in.) in length, 1,816 mm (71.5 in.) in width, and 1,454 mm (57.24 in.) in height. The wheelbase measures 2,636 mm (103.78 in.).
Technical Specifications
| Brand | Seat |
| Model | Leon |
| Generation | Leon III ST (facelift 2016) |
| Type (Engine) | 2.0 TDI (184 Hp) DSG |
| Start of production | 2016 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| CO2 emissions | 125 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 226 km/h (140.43 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.4 kg/Hp |
| Weight-to-torque ratio | 3.6 kg/Nm |
| Power | 184 Hp @ 3500-4000 rpm |
| Torque | 380 Nm @ 1750-3000 rpm (280.27 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | CUPA, CUNA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 15.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.6 l (4.86 US qt | 4.05 UK qt) |
| Coolant | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1360 kg (2998.29 lbs.) |
| Max. weight | 1990 kg (4387.2 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 587 l (20.73 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Length | 4549 mm (179.09 in.) |
| Width | 1816 mm (71.5 in.) |
| Height | 1454 mm (57.24 in.) |
| Wheelbase | 2636 mm (103.78 in.) |
| Front track | 1534-1538 mm (60.39 – 60.55 in.) |
| Rear (Back) track | 1504-1508 mm (59.21 – 59.37 in.) |
| Minimum turning circle | 10.3 m (33.79 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission DSG |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Tires size | 225/45 R17; 225/40 R18; 225/35 R19 |
| Wheel rims size | 17; 18; 19 |
The Seat Leon III ST 2.0 TDI (184 Hp) DSG represented a compelling option for buyers seeking a practical, efficient, and stylish compact station wagon in the European market. Its combination of a powerful diesel engine, smooth DSG transmission, and spacious interior made it a popular choice for families and individuals alike.


