page_title: Straight-three engine
section_title: Automobile use
hierarchical_section_title: Straight-three engine / Automobile use
caption_attribution_description: English: Engine bay of a 2010 Suzuki Alto.
context_page_description: A straight-three engine, also known as an inline-triple, or inline-three, is a reciprocating piston internal combustion engine with three cylinders arranged in a straight line or plane, side by side.
context_section_description: The smallest inline-three, four-stroke automobile engine was the 543 cubic centimetres (33.1 cu in) Suzuki F5A, which was first used in the 1979 Suzuki Alto/Fronte. The 1967 Suzuki Fronte featured a 256 cubic centimetres (15.6 cu in) two-stroke I3 engine. Smart currently produces a diminutive 799 cubic centimetres (48.8 cu in) inline-three diesel engine.  Most inline-three engines fall below 1.2 litres. A 1,779 cubic centimetres (108.6 cu in) diesel engine was produced by VM Motori for the 1984 Alfa Romeo 33 1.8 TD, the largest inline-three produced for automotive use. Detroit Diesel Series 71 and Series 53 engines were available in 3 cylinder form for trucks and farm tractors.
  Basic versions of the Suzuki Swift (and its related badge-engineered versions) used a 993 cc inline-three-cylinder engine, with single-point injection. The same engine was also used in the Suzuki Wagon R+, with multi-point injection. This was replaced from 2003, with an Opel-sourced 998 cc unit, with four valves per cylinder and variable-length intake manifold, also used on the similar Opel Agila and the third generation of the Opel Corsa, and later on the Suzuki Splash and the fifth generation of the Opel Corsa. The Opel models previously used a 973 cc engine, which was initially featured on the second generation of the Opel Corsa.
  Some Daihatsu cars use straight-three engines. The Charade  and the Mira/Cuore uses this engine type.  Three-cylinder 1.0-litre diesel and turbodiesel engines were also offered in Daihatsu Charades. Korean cars Daewoo Tico, based on the 1988 Suzuki Alto, and later base versions of Daewoo Matiz also used inline-three 796 cubic centimetres (48.6 cu in) 41 horsepower (31 kW; 42 PS) S-TEC petrol engine.
  The Volkswagen Group is known for using three-cylinder petrol and diesel engines, in the Audi A2, Volkswagen Polo, Volkswagen Up!, Volkswagen Fox, Volkswagen Lupo, SEAT Ibiza, SEAT Córdoba, SEAT Mii, Škoda Citigo  and Škoda Fabia. These engines range from 1.2-litre petrol, with four valves per cylinder, that delivers 47 to 65 kilowatts (64 to 88 PS; 63 to 87 bhp), to 1.4 TDI diesel, that delivers 51 to 66 kilowatts (69 to 90 PS; 68 to 89 bhp) and has turbocharger with variable vane geometry. The most innovative three-cylinder engine the Volkswagen Group released was the 1.2 TDI diesel (launched in 1998), that was one of the first all-aluminium diesel engines and at the time of release was the lightest and most economic engine in production. It was used in the "3L" versions (from its diminutive fuel consumption of 3 litres per 100 kilometres or 94 miles per imperial gallon) of the Audi A2 and the Volkswagen Lupo. Another three-cylinder engine is the 1.2 TDI diesel launched with the fifth generation of Volkswagen Polo (in 2009), that uses common rail injection (unlike the previous 1.2 TDI engine, which used unit injectors).
  Subaru used a straight-three engine in the Subaru Justy, and the export version of the Subaru Sambar, called the Subaru Sumo, which had their Subaru EF engine.
  Mitsubishi has made extensive use of three-cylinder engines, which have also been used in the Smart ForTwo, since 2004 on the Mitsubishi Colt, and from 2012 on the Mitsubishi Mirage. A three-cylinder diesel engine was also used on the Mitsubishi Colt and the Smart Forfour. This three-cylinder diesel engine, the Mercedes-Benz OM639, was the world's most powerful three-cylinder passenger car diesel engine at its creation, with 70kW (94 hp).
  In the 1950s and 1960s, the Saab 93, Saab 95, Saab 96, and certain DKW automobiles were powered by inline-three-cylinder, two-stroke engines. Also, the Wartburg automobiles manufactured in Eastern Germany, and FSO Syrena manufactured in Poland, used this kind of engine.
  The first generation Honda Insight (2000–2006) used a 1.0-litre inline-three engine in conjunction with an electric motor in its hybrid system.
  The Toyota Peugeot Citroën Automobile (TPCA) joint venture is using a common 996 cc inline-three-cylinder engine in models of the Aygo, 107 and C1 respectively, which is derived from Daihatsu. The same engin
caption: Suzuki K10B
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