. socalchevrolet. The TRAX LS in Mosaic Black Metallic featuring a ECOTEC L Turbo engine paired with 6-speed automatic transmission. Oct 12, - With a new look and a fresh cabin, the Trax is finally a subcompact SUV worth considering. Review standard and optional interior, exterior, mechanical comfort, entertainment equipment and their warranties for a Trax 1RS 4dr Front-Wheel Drive.