From 2011 to 2020, General Motors LFX’s 3.6-liter V6 engine was manufactured in the United States and fitted to popular vehicles like the Chevrolet Camaro, Impala, Colorado, and Equinox. Its new cylinder heads with an integrated exhaust manifold set it apart from the LLT that came before it.
L3B, LP9, LF1, LFX, LFY, LGX, LLT, and LY7 are high feature engine families.
Specifications
| Production years | 2011-2020 |
| Displacement, cc | 3564 |
| Fuel system | direct injection |
| Power output, hp | 300 – 325 |
| Torque output, Nm | 355 – 375 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 94 |
| Piston stroke, mm | 85.6 |
| 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 |
| Fuel consumption, L/100 km (for Chevrolet Camaro 2014) — city — highway — combined |
15.9 8.1 10.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 175 |
The engine was installed on:
- Buick LaCrosse 2 (GMX353) in 2011 – 2016;
- Cadillac ATS I (A1SL) in 2012 – 2015;
- Cadillac CTS III (A1LL) in 2013 – 2015;
- Cadillac SRX II (GMT267) in 2011 – 2016;
- Cadillac XTS I (P1LL) in 2012 – 2019;
- Chevrolet Camaro 5 (GMX521) in 2011 – 2015;
- Chevrolet Colorado 2 (GMT31XX) in 2014 – 2016;
- Chevrolet Equinox 2 (GMT192) in 2012 – 2017;
- Chevrolet Impala 9 (GMX211) in 2011 – 2016; Impala 10 (GMX352) in 2013 – 2020;
- GMC Canyon 2 (GMT31XX) in 2014 – 2016;
- GMC Terrain 1 (GMT177) in 2012 – 2017.
Disadvantages of the GM LFX engine
Despite its excessive fuel consumption, this power unit is reasonably dependable.
The timing chain’s highest resource is not the motor’s sole weak point.
Those who prefer quick starts might have to replace the chains after 50,000 kilometers.
It is vulnerable to valve deposits, just like all direct injection engines.
Avoid letting the system overheat too much or all of the seals will lose their grease.