the Corona to increase in size. time was 15.1 seconds. Originally, commercial models (three-door van, coupé utility, and double-cab coupé utility) utilized the 1,198 cc 2P engine, with at 5,000 rpm. This allowed for a maximum load of for the two-seater versions and for the five-seaters. Heavier loads were better accommodated by the Toyota Stout, while larger commercial grade trucks became available at Toyota Diesel Store locations. 1967 also saw the debut of a cab over van equipped for both commercial and commuting duties using the Corona engines, called the Toyota HiAce, offering more payload than the Corona was suited for. The coupé utility was produced by the former Central Motors between October 1964 and August 1968. In July 1965 the 2-door hardtop coupé bodystyle was introduced. Top speed for the 1.2-litre Corona is . In January 1967 this also became available as a five-door van. In April 1967, the larger and more powerful 3P (1.35-litre) and 2R (1.5-litre) engines became available, replacing the lesser 2P in most markets. Power of these were respectively. The Toyota automatic transmission, marketed as Toyoglide, was introduced on this version of the Corona. The 4R (12R in Australian versions) engine that had a displacement of 1587 cc was equipped with a twin SU carburetor (Australian models with 12R engine had one double barrel Aisin downdraft carburetor), and was capable of . Disc brakes were also introduced for the front wheels. Exports of this Corona proved popular in the US and Europe, with increased engine performance and durability improvements over previous versions. In September 1967 alone, Toyota produced 80,000 cars, with 30,000 being Coronas. Toyota 1600GT (RT55) In July 1965, Toyota introduced Japan's first 2-door hardtop coupé, and August 1967 they installed the DOHC 9R engine in the RT55 1600GT. This engine used the 4R engine block borrowed from the Corona 1600S with a Yamaha built DOHC head derived from the 2.0 L 3M engine in the exotic 2000GT that was introduced May 1967, and produced 110 bhp. The 1600GT was offered as a more affordable junior version of the larger, more exclusive 2000GT, and 2,222 examples of the 1600GT were manufactured in Bellatrix Yellow, Pegasus White, Solar Red, and Thunder Silver metallic. These were all colors that were offered on the 2000GT. Two manual transmissions were offered, a console housing a floor mounted 4-speed or optional 5-speed, and due to its sporting nature, no