2003 Toyota Matrix Submodel: Base; Engine: 1.8L L4; EngineVIN: R; Position: Front Right;. 2003 Toyota Matrix Submodel: XR; Engine: 1.8L L4; EngineVIN: R; Position: Front Right;. 2003 Toyota Matrix Submodel: XRS; Engine: 1.8L L4; EngineVIN: -; Position: Front Right;.