2011 Buick Regal models get flex-fuel capability
Those eagerly awaiting the 2011 Buick Regal, which will be heavily based on the European Opel/Vauxhall Insignia sedan, will be in for a special treat this fall.
Before you ask, no, the Regal GS concept won’t appear alongside its regular brethren, as this surprise will cater to the more eco-friendly Buick fans. The first models, made in Germany, are already being shipped out to dealerships with the normally aspirated 2.4-liter engine. This fall, the 2.0-liter direct injection turbocharged unit will also make an appearance.
At that time, both engines will gain flex-fuel capability, meaning you can either fill the tank up with regular gasoline or E85 ethanol. For those not in the know, this technology is borrowed from Saab, as the Swedish company used flex-fuel capable engines for its 9-5 sedan, that rides on the same platform as the Regal.
GM hopes that this turbocharged and direct injected engine will be able to offer almost the same average, no matter the fuel it uses. Normally, running on E85 ethanol worsened the fuel average by 15%, but according to GM, future iterations of this engine will make fuel averages even across the board.
Source: Buick via Autoblog
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