The Mitsubishi Orion or 4G1 engine is a series of inline-four internal combustion engines introduced by Mitsubishi Motors in around 1977, along with the Astron, Sirius, and Saturn. It was first introduced in the Colt and Colt-derived models in 1978. Displacement ranges from . 4G11 The 4G11 displaces with a bore and stroke of . Applications: Mitsubishi Colt/Mirage A151A 1977.04-1979.03 Mitsubishi Lancer A141A 1979.03-1985.02 Mitsubishi Lancer Van A141V/A148V 1979.11-1983 Mitsubishi Lancer EX A171A 4G12 The 4G12 (also known as the G11B) displaces with a bore and stroke of . 4G12 was the first to feature Mitsubishi's MD (modulated displacement) technology, a form of variable displacement which shut off two cylinders during light load and at low speeds. The 4G12 was not offered by Mitsubishi with fuel injection. This engine is fairly outdated compared to its counterparts that were used in the later Lancers. Applications: Mitsubishi Colt/Mirage A152A 1978.04-1979.03 Mitsubishi Lancer A142A 1979.03-1985.02 Mitsubishi Lancer Van A142V/A149V 1978.04-1981.07 Mitsubishi (Lancer) Celeste A142 Mitsubishi Lancer EX A172A Mitsubishi Tredia/Cordia A211 Dodge/Plymouth Colt Plymouth Champ 4G12T This is the turbocharged version of the 4G12, uses a TC-04 turbocharger from Mitsubishi Heavy Industries. The diameter of the blades in this charger is rather small, at 49 mm, and it spins at 90,000 rpm to provide of boost. This increased power and torque by about 30 and 25 percent respectively. The Japanese-specification version of this engine produces at 5,500 rpm and of torque at 3,000 rpm. 4G13 The SOHC, 12-valve 4G13 displaces and produces with a bore and stroke of . In the Gulf Countries, gross at 6000 rpm is claimed on the mitsubishi lancer CB1. The 4G13 engine has been produced by Dongan Mitsubishi Motors Engine Manufacturing, in Harbin, China since September 1998. Mitsubishi Carisma Mitsubishi Colt / Mirage / Lancer (1983, 1987, 1991, 1995, 2000) Mitsubishi Dingo Great Wall Florid Great Wall Voleex C30 Hyundai Excel Mitsubishi Space Star CMC Veryca 1.3 Proton Saga (C20) Proton Wira / Persona (C90) Proton Satria / Persona Compact (C90) Zotye 2008 / Nomad Emgrand GL Brilliance BS2 Heyue Tongyue / JAC A13 / JAC J3 2014–2017 Emgrand EC7 4G15 The SOHC 4G15 displaces with a bore and stroke of . A version of the 4G15 was produced with gasoline multi-port fuel injection. It has approximately on the 1993 Mirage model. The DOHC 4G15 produces with of torque. Another DOHC version was combined with GDI fuel injection