The Toyota Celica arrived on the market in 1973 as a sporty coupe that utilized shared components from Toyota's Corona to produce a compact and versatile vehicle. The 1.6-liter 2T engine in the 1973 original Celica delivered excellent performance and fuel efficiency while winners of Best of Show received a 2T-B engine from 1974 featuring better emissions. The first automatic Celica featured the smooth-shifting 4R automatic transmission known as the A40 in North American ST and LT models. The 1975 model year introduced redesigned heavy bumpers that satisfied federal safety standards and provided enhanced protection against low-speed collisions. The 1978 Celica utilized a 2.2-liter 20R engine to achieve better performance and improved fuel economy compared to previous models. Product work included: Frame removal from windows required additional B-Rail thickness to achieve structural stability. The GTV version of the Toyota Celica offered an enhanced driving experience through its stiffer suspension which served to boost safety control performance. Toyota maintains strict quality standards to produce Celica OE parts which ensure durability and maximum performance. The company fulfills its quality promise by distributing OEM parts through Toyota dealer networks which are built to decompose.