Mitsubishi, in Normal, Illinois. 1989: Summit was introduced as a sedan in DL and LX trim, both powered by a 1.5-liter 8-valve four-cylinder engine with . The LX could have a 1.6-liter 16-valve DOHC engine with . The of interior volume classified the Summit into the compact car class, while most of its competitors were still subcompacts. The Summit was also noted for its generous rear legroom. Sales started in August 1988. 1990: A low-cost base model was added to the bottom of the Summit line. Added to the top was a new ES, which paired the 1.6-liter engine with a sport suspension, 4-wheel-disc brakes, and alloy wheels with P195/60R14 tires. All models received all-capital lettering on the back. 1991: The 1.5-liter engine output increased to due to 4 additional valves (for 12 total). The ES models returned to wheels and disc brakes on only the front. New was the 2-door Summit hatchback; both it and the sedan was available in base and ES trims. The manual transmission was a 4-speed on the base hatchback and a 5-speed on all others; the automatic was a 3-speed on hatchbacks and a 4-speed on sedans. All models featured a new front grille. 1992: The Summit Wagon joined the line, and it was a completely different vehicle featuring a high roofline and sliding rear side door. This "crossover" design was actually a rebadged Mitsubishi RVR, thus not related to the Mirage-based Summits. The Wagon was available in DL and LX trims, as well as in a four-wheel drive (AWD) version. The new Summit Wagon was marketed as blending the maneuverability of a small car with the roominess of a minivan with its interior offering high seating positions and removable rear seats. It was designed to attract young families with seating for five. Production Figures: Second generation (1993-1996) The 1993 model year Summits were completely new and featured more room on the inside as well as weighing less than before. The Summit was now based the fourth generation Mitsubishi Mirage 'CC' chassis platform featuring a mutlilink rear suspension and the body was given a rounder shape. The hatchback body design was dropped in favor of a 2-door coupe version, while a 4-door sedan joined the Summit lineup. The Summit Wagon, a rebadged Mitsubishi RVR was classified as a subcompact minivan, or a mini-MPV. 1993: As with the Mirage and both Colts, the base 1.5-liter