LAS VEGAS -

At the NAAA/CAR conference this week in Las Vegas, Avis Budget Group revealed the winners of its 2011 Auction Performance Awards.

Covering categories ranging from sales volume to highest residual value, the company recognized four auctions from across the nation.

And taking home the top honors of Overall Auction of the Year is Manheim San Antonio.

Next, Manheim Dallas was tapped at the Auction Sales Volume Leader for this past year.

Taking home honors for the Highest Residual Value is ADESA Dallas.

And lastly, the company recognized Manheim Riverside as the most improved auction of 2011.