The 2015 Toyota Corolla TRD concept is based on the LE Eco model, as it has 8hp (6kW) more than other US models. The TRD also gains a 6-speed manual, new exhaust, 19-inch alloys, lowered suspension and 255/30 tires.
E170 Toyota Corolla TRD concept as display at SEMA 2015 pictured below.
