The Toyota Avensis built to the Next Generation Touring Car regulations that will come into play for the 2011 Dunlop MSA British Touring Car Championship season has undergone extensive wind tunnel testing at the MIRA proving grounds.

The NGTC Avensis was joined in the MIRA wind tunnel by a road-going model, on which TOCA technical staff had installed a rear wing to help establish a baseline for the car's aerodynamics.

"We needed to fix a position for the rear wing, based on the aerodynamics of the road car, which gave the levels of downforce we were looking for," BTCC technical director Peter Riches said. "I am pleased to say that this was quickly achieved, and it means that we now have a base line for all cars built to the NGTC regulations and have saved a lot of development time and potential expense for the teams."

The GPR Motorsport-built Avensis made its first public appearance during Friday practice for the 2010 season finale at Brands Hatch, with two teams - Dynojet and Speedworks Motorsport - announcing plans to run the car this year.

Rob Austin Racing will also run a full NGTC-spec car this season, although the team has elected to go with the Audi A4 as opposed to the Toyota.

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