The four cylinder engine in the 2010 Acura TSX is very similar to the 2009 model
. The 201 horsepower engine is slightly less powerful than the 2008 Acura TSX engine, which produced 205 horsepower. Before 2010, Acura TSX purchasers did not have the option of a V6 engine. The 2010 Acura TSX is once again at the head of its class when it comes to engine performance.