The General Motors LGX 3.6-liter V6 engine has been produced at the Michigan plant since 2015 and is installed on such popular models as the Cadillac XT5, XT6, CT6, and the Chevrolet Camaro. The modification of this unit for Chevrolet Colorado and GMC Canyon pickups has the LGZ index.
High Feature engine family: L3B, LP9, LF1, LFX, LFY, LGX, LLT, LY7.
Specifications
Production years | since 2015 |
Displacement, cc | 3564 |
Fuel system | direct injection |
Power output, hp | 310 – 335 |
Torque output, Nm | 365 – 385 |
Cylinder block | aluminum V6 |
Block head | aluminum 24v |
Cylinder bore, mm | 95 |
Piston stroke, mm | 85.8 |
Compression ratio | 11.5 |
Features | DOHC |
Hydraulic lifters | yes |
Timing drive | chain |
Phase regulator | Dual VVT |
Turbocharging | no |
Recommended engine oil | 5W-30 |
Engine oil capacity, liter | 5.7 |
Fuel type | petrol |
Euro standards | EURO 5/6 |
Fuel consumption, L/100 km (for Cadillac XT5 2018) — city — highway — combined |
14.1 7.6 10.0 |
Engine lifespan, km | ~300 000 |
Weight, kg | 180 |
The engine was installed on:
- Buick LaCrosse 3 (P2XX) in 2017 – 2019;
- Buick Regal 6 (E2XX) in 2017 – 2020;
- Cadillac ATS I (A1SL) in 2015 – 2019;
- Cadillac CTS III (A1LL) in 2015 – 2019;
- Cadillac CT6 I (O1SL) in 2016 – 2020;
- Cadillac XT5 I (C1UL) since 2016;
- Cadillac XT6 I (C1TL) since 2019;
- Chevrolet Blazer 3 (C1XX) v 2018;
- Chevrolet Camaro 6 (A1XC) since 2015;
- GMC Acadia 2 (C1XX) since 2016.
Disadvantages of the GM LGX engine
- The only known weak point of the unit is the short-lived thermostat;
- It is worth noting the frequent glitches of the start-stop system, as well as temperature sensor failures;
- Like all direct injection engines, it is prone to valve deposits;
- Also on specialized forums they regularly complain about leaks in valve seals.