Unfortunately, the economical 1.8-liter engine is only available on the base model. If you want the additional feature content of the S or XRS model, a larger 2.4-liter engine is mandatory. The 2.4 engine adds some punch, but fuel economy drops to 24 mpg combined. All-wheel drive is optional on the S model, dropping fuel economy to 22 mpg. Notably, both the S AWD and XRS models feature a more advanced independent double-wishbone rear suspension in place of the standard torsion-beam setup, moderately improving the Matrix's handling behavior. Learn more about the 2010 Toyota Matrix S AWD