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.
Ecotec family:
1st gen – LSJ, L61;
2nd gen – LDK, LHU, LNF, LAF, LEA, LE5, LE9;
3rd gen – LSY, LTG, LCV, LKW.
Specifications
| 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 |
11.2 7.8 9.1 |
| 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.
Frequently asked questions about the GM LSY
How much power does the GM LSY make?
The GM LSY develops 230 - 240 hp and 350 Nm of torque.
How much oil does the GM LSY take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 0W-20.
Does the GM LSY have a timing belt or chain?
The GM LSY uses a timing chain.
Is the GM LSY turbocharged?
Yes, the GM LSY is turbocharged (Twin-Scroll).
Does the GM LSY need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the GM LSY last?
The typical lifespan of the GM LSY is ~250 000 km with proper maintenance.
What is the fuel consumption of the GM LSY?
Cadillac XT6 2020: city 11.2, highway 7.8, combined 9.1 L/100 km.
What cars was the GM LSY 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 and 7 more (see the full list above).
What are the common problems of the GM LSY?
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. All known problems.
