The Dodge Avenger is offered in three trim levels: Express, SXT or R/T. All are standard with a 173-hp 2.4-liter four-cylinder engine and bolted to a four-speed automatic transmission. A 189-hp 2.7-liter V6 engine is also available. The R/T can be equipped with a 235-hp 3.5-liter V6 engine and a six-speed overdrive automatic transmission. Safety features include six airbags, anti-lock brakes, active head restraints, tire pressure monitoring, and a security system.For 2010, the Avenger receives a new Express trim, which adds additional features over the SXT trim.