Engine GM LSY

The 2.0-liter GM LSY turbo engine appeared in the American concern’s lineup in 2018 and is installed on models such as the Buick Regal, GMC Acadia, Cadillac XT6, Chevrolet Equinox and Malibu. The power unit is distinguished by the presence of an Active Fuel Management cylinder deactivation system.

The third generation of GM Ecotec includes: LSY, LTG, LCV, LKW.


Production years since 2018
Displacement, cc 1998
Fuel system direct injection
Power output, hp 230 – 240
Torque output, Nm 350
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 83
Piston stroke, mm 92.3
Compression ratio 10.0
Features AFM
Hydraulic lifters no
Timing drive chain
Phase regulator DCVCP
Turbocharging Twin-Scroll
Recommended engine oil 0W-20
Engine oil capacity, liter 5.0
Fuel type petrol
Euro standards EURO 6
Fuel consumption, L/100 km (for Cadillac XT6 2020)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 130

The engine was installed on:

  • Buick Envision 2 (E2XX) since 2020;
  • Buick GL8 3 since 2020;
  • Buick LaCrosse 3 (P2XX) since 2019;
  • Buick Regal 6 (E2XX) since 2020;
  • Cadillac CT5 I (A2LL) since 2018;
  • Cadillac CT6 I (O1SL) since 2019;
  • Cadillac XT4 I (E2UL) since 2018;
  • Cadillac XT5 I (C1UL) since 2019;
  • Cadillac XT6 I (C1TL) since 2019;
  • Chevrolet Blazer 3 (C1XX) since 2019;
  • Chevrolet Equinox 3 (D2XX) since 2020;
  • Chevrolet Malibu 9 (V400) since 2018;
  • GMC Acadia 2 (C1XX) since 2019.

Disadvantages of the GM LSY engine

  • Motors of the first years of production were recalled to replace a defective temperature sensor;
  • Like all direct injection engines, it suffers from carbon deposits on the intake valves;
  • In comparison with its predecessor, the timing chain resource has grown and it serves up to 200,000 km;
  • The rest of the complaints are related to noisy operation in some modes and oil leaks.

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