small-block V8 1997–2020 GM LS small-block V8 (referred to as Generation III or IV depending on type) 2014–present GM LT Generation V small-block V8 (Also called Ecotec3 V8) 2018–2020 Cadillac Blackwing twin-turbo V8 2023–present Chevrolet Gemini DOHC V8 Twelve-cylinder 1930-1937 Cadillac Twelve (derived from the Cadillac Sixteen) 1960s-1966 GMC Twin Six (derived from the GMC V6) Sixteen-cylinder 1930-1937 Cadillac Sixteen OHV 1937-1940 Cadillac Sixteen L-Head 2003 Cadillac Sixteen (concept only) Gasoline-electric hybrid Voltec (used in the Chevrolet Volt) Automotive diesel engines Three-cylinder 2020–present Four-cylinder 1970-1977 Opel 2.1 liter 1975-1981 Opel 2.0 liter 1982-1988 Opel Family II 1.6 liter (16DA/16D) 1982-1993 Opel 2.3 liter (23YD/23YDT/23DTR) 1982-2000 Isuzu E (1.5 and 1.7 liter engines marketed as D or TD for Opel/Isuzu cars) 1990–2014 Isuzu Circle L (marketed as Ecotec DTI, DI or CDTI; acquired via GM's takeover of DMAX) 1996–2005 Opel 2.0 and 2.2 liter SOHC 16V (X20DTL/X20DTH/Y20DTL/Y20DTH/X22DTL/X22DTH/Y22DTL/Y22DTH/Y22DTR) (marketed as "Ecotec DTI" or "Ecotec DI") 2003–present Fiat 1.3 JTD (marketed as Ecotec CDTI or Ecotec depending on brand) 2003-2010 VM Motori RA 420 (marketed as Ecotec 2.0 CDTI or 2.0 VCDi depending on brand) 2004–2009 Fiat 1.9 JTD (marketed as Ecotec 1.9 CDTI or 1.9 TiD/TTiD depending on brand) 2008–present GM Family B "2.0 CDTI" 2011–present Family Z (marketed as "2.0", "2.2 VCDi" or "2.2 CDTI") 2012–present 2.5 and 2.8 litre Duramax 2013–present GM Medium Diesel "1.6 CDTI Ecotec" 2014–present GM Large Diesel "2.0 CDTI Ecotec" Six-cylinder 1980s-present Detroit Diesel 60 inline-6 1982-1985 Oldsmobile V6 Diesel 4.3L (the lesser-known counterpart to the infamous Oldsmobile 350 diesel) 1994-2003 BMW M51 2.5 liter (X25DT/U25DT/Y25DT) 2002–present DMAX V6 (acquired via GM's takeover of DMAX) 2019–present Duramax I6 Eight-cylinder 1977-1985 Oldsmobile Diesel engine 1982-2000 Detroit Diesel V8 6.2L and 6.5L (6.5L engines are still in production by AM General for use in Humvees and various marine applications) 2001–present Duramax V8 (acquired via GM's 2003 takeover of DMAX) Other diesel engines GM entered the diesel field with its acquisition of the Cleveland-based Winton Engine Company in 1930. Winton's main client was the Electro Motive Company, a producer of internal combustion-electric rail motorcars. GM acquired Electro Motive at roughly the same time as Winton. A partnership of GM's Research and Development Division and their Winton Engine Corporation delivered their first diesel engines suitable for mobile use starting in 1934. The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the