The SEAT Leon III ST (facelift 2016) 2.0 TDI is a compact station wagon (estate) produced by the Spanish automobile manufacturer SEAT from 2016 to 2020. As part of the Leon Mk3 generation, the ST – signifying “Sport Tourer” – offered increased practicality compared to the hatchback version, appealing to buyers needing more cargo space. While SEAT is now a subsidiary of the Volkswagen Group, the Leon has always been positioned as a more emotionally driven alternative to Volkswagen’s Golf, offering a sportier driving experience and distinctive styling. The 2.0 TDI variant, equipped with a 150 horsepower diesel engine and a dual-clutch gearbox (DSG), was a popular choice in European markets, balancing fuel efficiency with respectable performance.
SEAT Leon III ST 2.0 TDI: Overview
The facelifted Leon III ST, introduced in 2016, brought styling updates, improved technology, and refined engine options. The 2.0 TDI model specifically targeted drivers seeking a fuel-efficient and practical vehicle for daily commuting and longer journeys. It competed with other compact estate cars like the Volkswagen Golf Estate, Ford Focus Estate, and Skoda Octavia Combi. The Leon ST’s design emphasized a sleek profile and dynamic lines, differentiating it from more conservative competitors. The 2.0 TDI engine provided a good balance of power and economy, making it a versatile option for a wide range of drivers.
Engine & Performance
The heart of the SEAT Leon III ST 2.0 TDI is a 1,968 cc inline-four cylinder diesel engine, producing 150 horsepower at 3,500-4,000 rpm and 340 Nm (250.77 lb.-ft.) of torque between 1,750 and 3,000 rpm. This engine utilizes a turbocharger and intercooler to enhance performance and efficiency. The power is delivered to the front wheels via a six-speed dual-clutch DSG (Direct-Shift Gearbox) transmission, providing quick and smooth gear changes. This combination allows for a 0-100 km/h (0-62 mph) acceleration time of 8.6 seconds, and a 0-60 mph time of 8.2 seconds, with a maximum speed of 211 km/h (131.11 mph). The engine’s relatively high compression ratio of 16.2:1 contributes to its efficiency, while the common rail direct fuel injection system ensures precise fuel delivery. The engine meets Euro 6 emission standards, incorporating a particulate filter to reduce harmful emissions.
Design & Features
The SEAT Leon III ST is a five-door, five-seat station wagon. Its exterior design features a sloping roofline and a distinctive character line running along the side, giving it a dynamic and sporty appearance. The facelifted model included revised front and rear bumpers, redesigned headlights with LED technology, and updated interior trim. Inside, the Leon ST offers a comfortable and well-equipped cabin. Standard features typically included air conditioning, a touchscreen infotainment system, Bluetooth connectivity, and a range of safety systems such as ABS, electronic stability control, and multiple airbags. The ST’s key advantage lies in its spacious cargo area, offering 587 liters (20.73 cu. ft.) of boot space with the rear seats up, and significantly more when folded down. The interior design prioritizes a driver-focused layout with intuitive controls and a modern aesthetic. 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.
Technical Specifications
| Brand | Seat |
| Model | Leon |
| Generation | Leon III ST (facelift 2016) |
| Type (Engine) | 2.0 TDI (150 Hp) DSG |
| Start of production | 2016 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| CO2 emissions | 115 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.6 sec |
| Acceleration 0 – 62 mph | 8.6 sec |
| Acceleration 0 – 60 mph | 8.2 sec |
| Maximum speed | 211 km/h (131.11 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.8 kg/Hp, 114.2 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 258.9 Nm/tonne |
| Power | 150 Hp @ 3500-4000 rpm |
| Power per litre | 76.2 Hp/l |
| Torque | 340 Nm @ 1750-3000 rpm (250.77 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | DCYA, DFFA, DFGA |
| 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 | 16.2:1 |
| 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 | 1313 kg (2894.67 lbs.) |
| Max. weight | 1940 kg (4276.97 lbs.) |
| Max load | 627 kg (1382.3 lbs.) |
| Trunk (boot) space – minimum | 587 l (20.73 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 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 | 1534-1544 mm (60.39 – 60.79 in.) |
| Rear (Back) track | 1504-1514 mm (59.21 – 59.61 in.) |
| Minimum turning circle (turning diameter) | 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, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Tires size | 205/55 R16; 225/45 R17; 225/40 R18 |
| Wheel rims size | 16; 17; 18 |
The SEAT Leon III ST 2.0 TDI (facelift 2016) represented a compelling option for buyers seeking a practical, efficient, and stylish compact estate car. Its combination of a refined diesel engine, responsive DSG transmission, and spacious interior made it a popular choice in the European market.
