Seat Leon III ST 2.0 TDI (184 Hp) startstop DSG

The Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG, produced between 2014 and 2015, represents a compelling blend of practicality, efficiency, and spirited performance within the European compact segment. As a product of SEAT, a Spanish automaker under the Volkswagen Group umbrella, this particular Leon model was primarily targeted at the discerning European market, where station wagons, known as estates, and high-efficiency diesel powertrains hold significant appeal. The third generation Leon, introduced in 2012, marked a significant step forward in design, technology, and platform sharing with its Volkswagen Group siblings, specifically utilizing the MQB platform. This 2.0 TDI variant, with its robust 184 horsepower engine and advanced DSG automatic transmission, positioned itself as a versatile choice for families and professionals alike, offering ample cargo space without compromising on a dynamic driving experience.

The Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG: A Blend of Performance and Practicality for the European Market

In the highly competitive European automotive landscape, the Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG carved out a niche for itself as a stylish and capable station wagon. While SEAT vehicles are not commonly sold in the United States, their reputation for sporty driving dynamics, sharp design, and value within the Volkswagen Group architecture is well-established across the Atlantic. This specific iteration of the Leon ST (Sport Tourer) exemplified the brand’s commitment to offering practical vehicles with an engaging character. The “ST” designation itself highlights its estate body type, designed to maximize utility and cargo volume, making it an ideal choice for long-distance travel, family adventures, or simply handling the demands of daily life with ease. Its production window, though brief from 2014 to 2015 for this particular engine configuration, solidified its place as a desirable option for those seeking a balance of power, economy, and space.

The Leon III ST’s appeal was further amplified by its sophisticated powertrain. The 2.0-liter TDI engine, combined with the seamless Direct-Shift Gearbox (DSG) and a Start/Stop system, showcased modern diesel technology at its best. This combination was engineered not only for impressive fuel economy but also for a responsive and refined driving experience. The integration of advanced driver aids and safety features, typical of its generation and platform, further enhanced its value proposition, offering peace of mind alongside its dynamic capabilities. For the European consumer, the Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG represented a smart, well-rounded package that successfully blended the practical needs of a family car with the spirited performance often associated with the SEAT brand.

Engine and Performance

At the heart of the 2014-2015 Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG lies a formidable 2.0-liter inline-four turbocharged diesel engine, designated by the codes CUPA or CUNA. This powertrain delivered a robust 184 horsepower at 4000 rpm, translating to a specific output of 93.5 horsepower per liter—an impressive figure for a diesel engine of its era. More critically for real-world driving, the engine generated a substantial 280.27 lb.-ft. of torque, available across a broad and accessible range from 1750 to 3000 rpm. This ample torque ensured strong acceleration and effortless overtaking maneuvers, even when the vehicle was fully loaded. The engine’s layout was front, transverse, driving the front wheels, a typical configuration for efficiency and packaging in this segment.

Mated to this potent diesel unit was a 6-speed automatic DSG (Direct-Shift Gearbox) transmission. Renowned for its rapid and smooth gear changes, the DSG system significantly contributed to both the Leon ST’s performance and its fuel efficiency. The combination allowed the vehicle to accelerate from 0 to 60 mph in a swift 7.4 seconds, making it one of the quicker compact estates available. Its maximum speed of 140.43 mph further underscored its capability as a competent long-distance cruiser. Despite its performance credentials, the Leon III ST 2.0 TDI excelled in fuel economy. The Start/Stop system, designed to automatically shut off the engine when the vehicle is stationary, played a crucial role in achieving these figures. Combined fuel consumption was rated at an impressive 50 US mpg, with urban figures reaching 41.3 US mpg and extra-urban driving yielding an outstanding 57.4 US mpg. These figures, coupled with CO2 emissions of 122 g/km and compliance with Euro 6 emission standards, highlighted its environmental consciousness and cost-effectiveness for daily operation.

The engine’s technical specifications included a displacement of 1968 cm3 (120.09 cu. in.), with a cylinder bore of 3.19 inches and a piston stroke of 3.76 inches. A compression ratio of 15.8:1, characteristic of a modern diesel, facilitated efficient combustion. The engine featured 4 valves per cylinder and utilized a Diesel Commonrail fuel injection system, further enhanced by a turbocharger and intercooler for optimal air intake and power delivery. With an engine oil capacity of 4.86 US quarts and a coolant capacity of 8.45 US quarts, the powertrain was designed for reliability and longevity.

Design and Features

The design of the Seat Leon III ST was a key differentiator in its segment, characterized by sharp lines, angular headlights, and a distinctive grille that gave it a dynamic and youthful appearance. As a station wagon (estate), its primary design objective was to combine this sporty aesthetic with exceptional practicality. The body measured 178.54 inches in length, 71.5 inches in width, and 57.13 inches in height, with a wheelbase of 103.78 inches, providing a stable and comfortable ride. The five-door configuration and seating for five passengers ensured easy access and ample room for occupants.

Practicality was a cornerstone of the Leon ST’s design. The trunk (boot) space was generous, offering a minimum of 20.73 cubic feet with all seats in place, expanding significantly to a cavernous 51.91 cubic feet when the rear seats were folded down. This flexibility made it highly adaptable for various cargo needs, from grocery runs to transporting larger items for recreational activities. The kerb weight of 3163.63 lbs. and a maximum load capacity of 1223.57 lbs. further underscored its robust construction and utility.

Beyond its physical dimensions, the Leon III ST incorporated a range of features designed for safety and convenience. Standard assisting systems included ABS (Anti-lock Braking System), providing crucial stability during emergency braking. The steering was a responsive rack and pinion type, contributing to the car’s agile handling. While specific interior technology details were not provided, vehicles of this generation on the MQB platform typically featured modern infotainment systems, climate control, and a focus on ergonomic design within the cabin. The overall design ethos of the Seat Leon III ST 2.0 TDI (184 Hp) start/stop DSG was to offer a stylish, practical, and enjoyable driving experience, perfectly suited to the demands of the European market.

Technical Specifications