The engineers at Audi look to be hard at work on a more potent version of the company's A1 hatchback. Spy photographers spotted this machine out on public streets for testing, and the presence of a set of quad exhaust out back leads us to believe this could be the rumored S1 model. It's unclear whether this machine will slot under the limited-edition 256-horsepower A1 Quattro or be sold as a less extreme version of the hottest of Audi hatches when that car's production slots fill up. Photographers report this is a gasoline-powered model, which means the company's 2.0-liter turbo four-cylinder engine is likely kicking behind the headlights.
If that's true, we can expect between 220 and 250 horsepower shuttled to all four wheels via the German automaker's Quattro all-wheel drive system. If you were wondering why Audi didn't use the S1 name for the A1 Quattro, you may very well be looking at the reason.
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