Volkswagen Group's Spanish branch Seat is adding their parent's 125 hp 1.4L TSI engine to some of their models. The León and Altea models will get the direct injected 1.4L four cylinder that has been used in various Volkswagen and Audi models. The variant used in the Seats is equipped with a supercharger to get the 125 hp output. The Golf-sized Spanish models are rated at 36 mpg (US) on the combined EU cycle with CO2 output of 155 g/km. The new engine is paired up with a six speed manual gearbox. There's more details from Seat after the jump.
NEW 1.4 TSI ENGINE
Excellent features and performance in a small size
Starting this month, the Altea, Altea XL and León ranges have all been extended with the 125 hp 1.4 TSI engine. This engine fills the gap between the 102 hp 1.6 and the 160 hp 1.8 TSI versions in the petrol range.
This engine is featured on the Altea and the Altea XL in their Stylance versions, and on the León in its Stylance and Sport-up versions.
The new 1.4 engine combines direct injection with supercharging to obtain a maximum output of 125 hp and lower fuel consumption and emissions. Combined fuel consumption figures total only 6.5 litres for every 100 km of driving and CO2 emissions of only 155 g/km. Next year, these three models equipped with this engine will fall into the new 4.75% registration tax bracket.
Besides the new engine, the entire range welcomes the new SEAT Mediasystem navigator, and the choice of two different colour schemes on the Altea and the Altea XL – the existing dark grey and black, or the new, lighter tones on door panels and dashboard.
Downsizing an engine usually results in lower consumption, and thanks to its supercharging system it has all the necessary power available to propel any of the three models efficiently.
The use of supercharging also allows engineers to obtain a flat torque curve and make 200 Nm available across the entire rev range, maintaining the driving experience for consumers.
The 1.4 TSI engine's 125 hp output and 200 Nm torque are its credentials. Output is achieved at 5000 rpm, which is quite conservative considering the engine's displacement and the fact that the maximum torque value is achieved at only 1500 rpm and remains constant up to 4000 rpm. Until recently, to achieve these values, 2.0 atmospheric engines were employed.
A constant power output across a broad rev interval gives the vehicle even acceleration, making driving easy and effortless and providing excellent road handling.
One of this new engine's most interesting technical novelties can be found in its intercooler, which is cooled by water instead of air, making it possible to gain space in the engine bay and integrate it in the intake manifold. Besides, on this engine the cylinder crankcase is made of aluminium and includes an oil temperature gauge. The use of water instead of air makes this intercooler work more efficiently, thereby offsetting the large amount of heat generated.
The turbo compressor has been redesigned. Its dimensions have been optimised to reduce inertia, and together with new electronic management, performs well at low revs. Its maximum rotation speed is 220,000 turns per minute and maximum boost pressure is 1.8 bar. Thanks to all these improvements, the engine delivers brilliant driver response.
Performance and consumption levels of the 1.4 TSI engine