The SEAT Leon III SC (SportCoupe) facelift, produced from 2016 to 2018, represents a significant iteration of SEAT’s popular compact hatchback. Positioned as a stylish and practical option within the European C-segment, the Leon SC offered a three-door body style, differentiating it from the five-door Leon hatchback. This model catered to buyers seeking a sportier aesthetic and a more driver-focused experience. The 1.6 TDI (90 Hp) variant, detailed here, was a common engine choice, prioritizing fuel efficiency and reasonable performance for everyday driving. While not officially sold in the United States, the SEAT Leon is a prominent vehicle in European markets, competing with models like the Volkswagen Golf, Ford Focus, and Opel Astra.
SEAT Leon III SC 1.6 TDI (90 Hp): Overview
The Leon III SC facelift introduced styling updates and technological enhancements to the already successful third-generation Leon. The SportCoupe version, with its three-door configuration, emphasized a more dynamic profile. The 1.6 TDI engine, a mainstay of SEAT’s diesel lineup, provided a balance between economy and usability. This particular engine output, producing 90 horsepower, was aimed at drivers prioritizing low running costs and acceptable performance for urban and highway driving. The facelift brought revised front and rear styling, updated interior materials, and improvements to the infotainment system.
Engine & Performance
The heart of the SEAT Leon III SC 1.6 TDI (90 Hp) is a 1.6-liter, inline-four cylinder diesel engine, designated the DDYB model code. This engine produces 90 horsepower at 2750-4800 rpm and 230 Nm (169.64 lb.-ft.) of torque between 1400-2750 rpm. The engine utilizes a turbocharger with an intercooler to enhance power output and efficiency. Fuel is delivered via a Diesel Commonrail injection system, contributing to refined combustion and reduced emissions. The engine’s 16.2:1 compression ratio is typical for a diesel engine, maximizing energy extraction from the fuel. Power is delivered to the front wheels through a five-speed manual transmission. Performance figures include a 0-100 km/h (0-62 mph) acceleration time of 12.4 seconds and a maximum speed of 180 km/h (111.85 mph). The 0-60 mph time is calculated at 11.8 seconds. The engine’s power-to-weight ratio is 12.9 kg/Hp, and the torque-to-weight ratio is 5.1 kg/Nm.
Design & Features
The SEAT Leon III SC is a three-door hatchback, offering a more coupe-like silhouette than its five-door counterpart. The facelifted model features a distinctive front grille, redesigned headlights (often incorporating LED technology), and a revised bumper. The rear of the vehicle received updated taillights and a modified bumper as well. The interior of the Leon SC is designed with a focus on practicality and driver engagement. It comfortably seats five passengers, although rear passenger space is somewhat limited due to the sloping roofline. Standard features typically included air conditioning, power windows, central locking, and an audio system. Higher trim levels offered features such as a touchscreen infotainment system with navigation, climate control, and various driver-assistance systems. Safety features included ABS (Anti-lock Braking System), and depending on the trim level, features like Electronic Stability Control and multiple airbags. The trunk offers a minimum capacity of 380 liters (13.42 cu. ft.).
Technical Specifications
| Brand | Seat |
| Model | Leon |
| Generation | Leon III SC (facelift 2016) |
| Type (Engine) | 1.6 TDI (90 Hp) |
| Start of production | 2016 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (combined) | 4.3 l/100 km |
| Fuel consumption (US mpg) | 54.7 US mpg |
| Fuel consumption (UK mpg) | 65.7 UK mpg |
| Fuel consumption (km/l) | 23.3 km/l |
| CO2 emissions | 114 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 12.4 sec |
| Acceleration 0 – 62 mph | 12.4 sec |
| Acceleration 0 – 60 mph | 11.8 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.9 kg/Hp |
| Weight-to-torque ratio | 5.1 kg/Nm |
| Power | 90 Hp @ 2750-4800 rpm |
| Power per litre | 56.3 Hp/l |
| Torque | 230 Nm @ 1400-2750 rpm (169.64 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine Model/Code | DDYB |
| Engine displacement | 1598 cm3 (97.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79.5 mm (3.13 in.) |
| Piston Stroke | 80.5 mm (3.17 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 | 1165 kg (2568.39 lbs.) |
| Max. weight | 1760 kg (3880.14 lbs.) |
| Max load | 595 kg (1311.75 lbs.) |
| Trunk (boot) space – minimum | 380 l (13.42 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Permitted trailer load with brakes (12%) | 1400 kg (3086.47 lbs.) |
| Length | 4247 mm (167.2 in.) |
| Width | 1810 mm (71.26 in.) |
| Height | 1446 mm (56.93 in.) |
| Wheelbase | 2601 mm (102.4 in.) |
| Front track | 1534-1549 mm (60.39 – 60.98 in.) |
| Rear (Back) track | 1504-1520 mm (59.21 – 59.84 in.) |
| Minimum turning circle | 10.2 m (33.46 ft.) |
| Drivetrain | Front wheel drive |
| Number of gears | 5 gears, manual transmission |

