Volkswagen Plans on Using the Same Engines on the XL1 and the Up
|   Tuesday, March 19, 2013
Volkswagen is planning on installing a dual cylinder plug in hybrid power train technology of the radically designed XL1 into the Volkswagen Up. The XL1 features a dual cylindered engine, displacing 47 BHP while the TDI engine is backed up by an electric engine displacing 27 BHP. The Up packs in a 5.5 kWh battery pack and Volkswagen claims that the Up has a very frugal fuel economy of 1 liter / 100 km, which is equivalent to 250 MPG on the combined circle.


The Up weighs 925 kg, just 130 kg heavier than the XL1 which features a total carbon fiber exterior. The production model of the Up is expected to weigh less than 1000 kg and the hybrid technology in the Up is expected to have the best fuel economy in real world conditions. Although the company estimates have been given, experts claim that the Up will feature a fuel economy close to 90 MPG.

The hybrid system features a dedicated clutch connected to the 800 cc dual cylinder engine and the seven speed automatic gear box. The lithium ion battery pack connected to the Up recharges itself on braking and regenerative braking is a very important addition in most modern hybrid vehicles.

On electric power alone, the Up can travel a distance of 30 miles after which the clutch disengages and the engine stops automatically. The engine needs to be restarted by the Pulse Starting method, which revs the engine in high RPM and hence the engine starts up smoothly. The drive train used on this vehicle is completely new and tests are being run at the moment to ascertain feasibility in practical conditions.

The XL1 concept vehicle is also set to be a hit with critics as it is a performance based vehicle which also returns high fuel efficiency. The XL1 is a pure concept and there are no plans of a production model as of yet. The Up hybrid is however not ready for launch and Volkswagen has said that an expected launch date is still another year and a half away.

There are no exterior modifications to the Up and the vehicle features identical interior and exterior parts as that of its predecessor. The XL1 on the other hand is pure concept and features exterior lines that aim to improve aerodynamics of the vehicle. It is a pure concept and Volkswagen is confident that the vehicle is capable of returning 261 MPG due to the advanced hybrid drive train, smooth aerodynamic nature and light weight chassis and body structure.

However, the vehicle is not out for tests and hence critics are quite skeptical about the figures on road. However, the turning point came in as Volkswagen confirmed plans to send the XL1 to production. The XL1 as claimed by Volkswagen can accelerate from 0 – 60 MPH in 12.7 seconds and that is considerably slow when compared to other vehicles. However, no other vehicle promises to return half as much fuel efficiency as the XL1, therefore, the low speed can be adjusted with.
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