The Mitsubishi Sirius or 4G6/4D6 engine is the name of one of Mitsubishi Motors' four series of inline-four automobile engines, along with Astron, Orion, and Saturn. The 4G6 gasoline engines were the favoured performance variant for Mitsubishi. The 4G61T powered their Colt Turbo, while the 4G63T, first introduced in the 1980 Lancer EX 2000 Turbo, went on to see service in the Sapporo and Starion coupés during the so-called "turbo era" of the 1980s, before creating for itself an illustrious motorsport heritage as the powerplant under the hood of the World Rally Championship-winning Lancer Evolution. A UK-market Evo known as the FQ400 had a version of the Sirius, making it the most powerful car ever sold by Mitsubishi. The 4D6 diesel engines supplemented the larger 4D5. Bore pitch is 93 mm. 4G61 (1.6 liters) The 4G61 displaces with bore/ full length stroke of . This engine was always DOHC 16-valve and used either Multi-point (MPFI) or Electronic Control (ECFI) fuel injection. A turbocharged version was also produced for the Mirage and Lancer. Unlike the other Sirius motors, the 4G61 does not have balance shafts. Performance 4G61 at 6100 rpm. 4G61T (USA/Canada only) at 6000 rpm and of torque at 3000 rpm. 4G61T (Japan, early) at 6000 rpm and of torque at 2500 rpm. (late) at 6000 rpm and of torque at 2500 rpm. Applications 1988–1992 Mitsubishi Mirage / Mitsubishi Colt (MPFI) 1988–1992 Dodge Colt / Plymouth Colt 1988–1992 Eagle Summit 1992–1995 Hyundai Elantra 4G62 (1.8 liters) The larger 1.8 L 4G62 was an SOHC 8-valve unit for longitudinal rear-wheel drive and all-wheel drive use. With a bore and stroke of , it displaces . It was available either in carburetor form, multi-point fuel injection, or ECI Turbo as found in the Lancer EX 1800GSR or 1800GT, and Cordia GSR. Applications 1980–1987 Mitsubishi Lancer EX 1800GSR or 1800GT (A175A) 1981–1986 Mitsubishi Delica/L300/Express 1983–1987 Mitsubishi Chariot HR 1983–1989 Mitsubishi Cordia 1983–1989 Mitsubishi Tredia 1984–1988 Mitsubishi Galant/Eterna 4G62T Turbocharged version of the 4G62 4G63/G63B (2.0 liters) The 4G63 was a version. Bore x stroke is SOHC and DOHC were produced. Both versions were available in either naturally aspirated and turbocharged form. For front-wheel drive applications, the turbocharged Sirius' name was changed to "Cyclone Dash". As fitted to the fifth generation Galant JIS gross were claimed - the output claims later shrank to - for the turbocharged and intercooled "Sirius Dash 3x2 valve" engine.