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Auto Techno - TSI Engines

314 views · Published 10 September 2015 · 2:48 · Indexed 22 October 2026

Channel: Auto Focus · 2015 · Autos & Vehicles

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Last week, we discussed how Volkswagen has revolutionized diesel engine technology through TDI. Now, let’s see what the engineering-centric German brand has done to improve the performance and fuel efficiency of its gasoline engines with TSI.

Here’s Part 2 of our Volkswagen engine feature.


With the advance technology, now we can have great performance with excellent fuel economy and low emissions, thanks to Volkswagen’s award-winning TSI technology. It is Volkswagen’s pioneering technology for petrol engines, resulting in an engine that is compact, high-powered, and more efficient.  

The TSI is the ingenious solution to a dilemma of coming with up petrol engines that are cleaner and more efficient, while still being fun to drive. The question was how to create engines that used less fuel and produced lower CO2 emissions without sacrificing power? 

The answer was an engine that combines petrol direct injection and turbocharging. Thus, the TSI engine. It combines the benefits of both petrol and diesel power units – smooth and quiet on the road with the high torque pulling power throughout the acceleration range with little discernible turbo lag.

The successful TSI formula combines a number of different elements: At the heart of TSI is a smaller engine. It’s more efficient, as there is less power loss resulting from friction. It’s also lighter, so the engine has less weight to shift in the car.
 




Another element is the Direct petrol injection with charging. The Direct petrol injection is combined with a turbocharger or charge compression with a turbo and a supercharger working in tandem. This enhances the engine’s combustion efficiency so the TSI engine power output is much higher than that of conventional, naturally aspirated engines.

Lastly, providing torque when you want it. 

On the TSI 1.4 found in the Volkswagen Beetle, the 160PS the engine-driven supercharger operates at lower revs, with the turbocharger - powered by the exhaust gases - joining in as engine speed rises. The supercharger is powered via a belt drive directly from the crankshaft. 

This provides maximum pulling power on demand, even at very low engine speeds. TSI engines are designed to deliver maximum torque from engine speeds as low as 1500 or 1750 rpm. And that has the twin benefit of not only increasing your driving pleasure but also cutting fuel consumption.

TSI engines are currently available in the following models:
-          Beetle 1.2 TSI M/T
-          Beetle 1.4 TSI DSG
-          Touran 1.2 TSI M/T
-          Tiguan 1.4 TSI M/T
-          Golf 2.0 TSI DSG


It is apparent that with the advancement made by manufacturers especially with the likes of Volkswagen, both the diesel and gasoline engines provide what the consumers want. With this mindset, Volkswagen is saying that there is no excuse not to be eco-friendly, fuel efficient, and yet still have that powerful engine that makes its cars fun to drive.

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