The GM E-Turbo engine is a gasoline-fueled engine developed by General Motors as part of the company’s next-generation turbocharged engine family. The engine features a start-stop system, gasoline direct injection, an electric water pump and an electric turbocharger wastegate to optimize fuel efficiency.
The engine is also known as the Eighth Generation Ecotec engine. GM introduced the engine in the 2019 Korean-market Chevrolet Malibu.
LBP engines in 2025 Buick Envista, 2025 Buick Encore GX, 2025 Chevy Trax, and 2025 Chevy Trailblazer offer E85 Flex Fuel capability.
1.0 L The 1.0-liter inline-3 consists of two families of engines. The first engine family is known as CSS (Cylinder Set Strategy) Prime, and is a further development of the 1.0-liter GM Small Gasoline engine family. It shares its engine block design with the 1.2-liter variants, but uses different cylinder liners. It has a bore and stroke of for a displacement of .
The second line of engines is the SAIC-GM dual injection E-Tec engine which has a bore and stroke of for a displacement of .
LIJ This CSS Prime variant is used primarily in Latin American markets. It is naturally aspirated and uses port injection, and an ethanol flex-fuel capable variant is offered in the Brazilian market. It uses an oil-immersed timing belt. It has a compression ratio of 12.5:1. YearModelPowerTorque2019presentChevrolet Onix @6,400 @4,100Chevrolet Onix (ethanol) @6,400 @4,100
L4G This CSS Prime variant is used primarily in Latin American markets. It is turbocharged and uses port injection, and an ethanol flex-fuel capable variant is offered in the Brazilian market. It uses an oil-immersed timing belt. It has a compression ratio of 10.5:1. YearModelPowerTorque2019presentChevrolet Onix @5,500 @2,0004,500Chevrolet TrackerChevrolet Onix (ethanol) @2,0004,500Chevrolet Tracker (ethanol)
L4F This CSS Prime variant is used primarily in Latin American markets. It is turbocharged and uses direct injection, and an ethanol flex-fuel capable variant is offered in the Brazilian market. It uses an oil-immersed timing belt. It has a compression ratio of 10.5:1.
The L4F in the Chevrolet Onix has a port injection and a reduced compression ratio of 9.5:1 and is only sold in the Argentina market.
In July 2025, the flex-fuel variant was updated to improve fuel efficiency to qualify for Brazil's new IPI Verde sustainable vehicle tax reduction program, and the oil-immersed timing belt was upgraded with a more durable model with an increased warranty of compared to the previous . YearModelPowerTorque2019presentChevrolet Onix @5,500 @2,0004,5002024presentChevrolet Tracker @5,000 @1,8003,500202425Chevrolet Tracker (ethanol) @5,000 @1,8003,5002025present @5,000 @1,8003,500
LJI The LJI E-Tec was developed for SAIC-GM. It is turbocharged and has twin port injectors mounted closer to the intake valves. It has a bore and stroke of with a compression ratio of 9.5:1. YearModelPowerTorque201719Buick Excelle GT @5,600 @2,0003,600201819Chevrolet Cavalier @5,200 @1,7004,400
LIW The LIW is an updated version of the LJI which meets China 6B emissions standards. It has an increased compression ratio of 10.0:1 but still uses port injection. YearModelPowerTorque201920Buick Excelle GT @5,600 @2,0004,000201922Chevrolet Monza
LIV This E-Tec variant has direct injection and is turbocharged and meets China 6B emissions standards. It has a bore and stroke of with a compression ratio of 10.5:1. YearModelPowerTorque201922Buick Encore @5,800 @1,3504,500201921Buick Verano2019presentChevrolet Onix201922Chevrolet Tracker202125Chevrolet Tracker (Philippines) @1,5004,200
1.2 L This line of engines is known as the Prime CSS (Cylinder Set Strategy) engines, and is a further development of the 1.1-liter GM Small Gasoline engine family. It shares its engine block design with the 1.0-liter variants, but uses different cylinder liners. It has a bore and stroke of .
LIF This variant is naturally aspirated and uses port injection with a compression ratio of 10.5:1. It is used in the Argentinian-built Chevrolet Onix. YearModelPowerTorque201924Chevrolet Onix @6,200 @4,400
L4H The L4H is turbocharged and has port injection, with a compression ratio of 10.5:1 in Brazil and Mexico-built vehicles, and a 9.5:1 compression ratio model used in some markets. YearModelPowerTorque201922Chevrolet Onix @5,500 @2,0004,5002019presentChevrolet Tracker2019presentChevrolet Montana
L4K The L4K was the first CSS Prime family engine to enter production. It is the direct injected version of the L4H and also has flex-fuel capability. It was originally used by Opel in the Astra with a 10.0:1 compression ratio, while South American variants use a 10.5:1 compression ratio.
South American variants initially used port injection, which was upgraded to direct injection in 2024 to meet emissions regulations. YearModelPowerTorque201921Opel/Vauxhall Astra @4,500 @2,0003,500 @5,500 @2,0003,500 @5,500202024Chevrolet Tracker (ethanol) @5,500 @2,0004,500202024Chevrolet Montana (ethanol)2024presentChevrolet Tracker @5,000 @2,5004,0002024presentChevrolet Montana2024presentChevrolet Tracker (ethanol) @5,000 @2,5004,0002024presentChevrolet Montana (ethanol)
LIH The LIH variant is the North American market version of the L4K. YearModelPowerTorque2020presentBuick Encore GX @5,000 @2,5002021presentChevrolet Trailblazer2024presentBuick Envista2024presentChevrolet Trax
LBP The LBP is the E85 flex-fuel variant of the LIH exclusively for the US market. YearModelPowerTorque2025presentBuick Encore GX @5,000 @2,500Buick EnvistaChevrolet TrailblazerChevrolet Trax
1.3 L The 1.3-liter inline-3 engines consist of two engine families, the CSS 45T E-Turbo engine used globally and the SAIC-GM dual injection E-Tec engine used primarily in China. The CSS 45T E-Turbo has a bore and stroke of bore and stroke of for a displacement of ( per cylinder), while the E-Tec engines have a bore and stroke of for a slightly higher displacement of .
L3Z This CSS 45T variant is used in the Korean and Chinese markets, and was first used in the South Korean Chevy Malibu. It was developed to meet China 6B emissions standards. It is turbocharged and direct injected and has a compression ratio of 10.3:1. It uses an electric water pump, electronic turbocharger wastegate, and electric brake booster. YearModelPowerTorque201822Chevrolet Malibu (Korea) @5,600 @1,6004,0002021presentChevrolet Trailblazer (Korea)201922Chevrolet Trailblazer @5,600 @1,5004,000201922Buick Encore201922Chevrolet Tracker @5,600201920Chevrolet Malibu XL201923Buick Encore GX202021Buick Verano2020Buick Lacrosse
L3T This CSS 45T variant is branded as Ecotec and is used in North American and European market vehicles. It has a compression ratio of 10.0:1. YearModelPowerTorque201921Opel/Vauxhall Astra @5,0006,000 @1,5003,5002020presentBuick Encore GX @5,600 @1,5004,0002021presentChevrolet Trailblazer2020Buick Lacrosse
LI5 This E-Tec variant is naturally aspirated and uses twin port injectors at each cylinder mounted close to the valves. It is sold in the Chinese market. It has a compression ratio of 11.5:1. YearModelPowerTorque201819Buick Excelle @6,200 @4,000
LGB This variant is an updated version of the LI5 that meets China 6B emissions standards. It is primarily sold in the Chinese market, but is also exported to Mexico in the Chevrolet Onix. YearModelPowerTorque201923Buick Excelle @6,200 @4,0004,4002019presentChevrolet Onix
LI6 This E-Tec variant is turbocharged and has dual port injectors placed close to the valves. It has a compression ratio of 9.5:1. YearModelPowerTorque201720Buick Excelle GT @5,500 @1,8004,400201720Buick GL6201819Chevrolet Orlando201720Roewe RX3 @5,200201821Maxus G50201920Maxus D60
LIY The LIY is an update to the LI6 which meets China 6B emissions standards. It has an increased compression ratio of 10.0:1 and features a 48-volt mild hybrid system, but still uses port injection. YearModelPowerTorque201925Chevrolet Monza @5,500 @1,8004,400202022Buick Excelle GT202023Buick GL6201923Chevrolet Orlando202125Chevrolet Cavelier (Mexico) @1,6004,400201922MG ZS @5,200 @1,8004,400201921Maxus D60201923Maxus Euniq 5 PHEV201923Maxus Euniq 6 PHEV202125MG Astor (India) @5,600 @3,600
1.5 L These 1.5-liter engines all have a bore of and a stroke of for a displacement of . In China they are known as the SAIC-GM CSS (Cylinder Set Strategy) 375T engine family ( per cylinder). It is equipped with variable valve time cam phasers that are twice the speed compared to the previous generation on both intake and exhaust cams. They use a direct injection system.
LJV The LJV was the first eight-generation Ecotec engine variant introduced to China in the Buick Verano Pro. It has a compression ratio of 10:1. YearModelPowerTorque202123Buick Verano Pro @5,500 @1,5005,000202225Chevrolet Tracker
LAH The LAH is equipped with a 48-volt mild-hybrid system which contributes an additional and to the engine's total output.
LDF The LDF is the longitudinal rear-wheel drive version of the LAH. +YearModelPowerTorqueLAH202124Buick Envision S @5,500 @1,7504,500202223Buick Envision Plus202326Cadillac GT42023presentCadillac XT4 (China)LDF2022presentCadillac CT4 (China) @5,500 @1,7504,500
LP5 An updated higher output version of the LP5 was introduced in March 2025 with the Buick Envision S. YearModelPowerTorque202325Buick Encore Plus @5,500 @1,5005,000202325Buick Envista (China)202224Chevrolet Seeker2025presentBuick Envision S @5,500 @1,7504,500
LAX The LAX is a variant optimized for use in plug-in hybrids in the Chinese market. It uses the Miller cycle to improve efficiency. YearModelPowerTorque2023Buick LaCrosse @5,500 @1,5004,500202425Chevrolet Equinox Plus PHEV2024presentBuick GL8 PHEV2025presentBuick GL8 Encasa PHEV
LD3 The LD3 is variant optimized for use in range-extender vehicles. YearModelPowerTorqueMaximumNet2025presentBuick Electra L7 @5,500 @2,5004,0002026presentBuick Electra E7 References