Since 2018, the Tennessee plant has been producing the 2.7-liter V6 General Motors L3B engine, which is fitted in all-wheel drive or rear-wheel drive vehicles like the Cadillac CT4 and Chevrolet and GMC pickups. This motor’s modification, which derates to 237 horsepower and 353 Nm, is referred to by the index L2R.
L3B, LP9, LF1, LFX, LFY, LGX, LLT, and LY7 are high feature engine families.
Specifications
| Production years | since 2018 |
| Displacement, cc | 2727 |
| Fuel system | direct injection |
| Power output, hp | 310 – 325 |
| Torque output, Nm | 472 – 583 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 92.25 |
| Piston stroke, mm | 102 |
| Compression ratio | 10.0 |
| Features | AFM, SCS |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual VVT |
| Turbocharging | BorgWarner B03 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.7 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Cadillac CT4-V 2020) — city — highway — combined |
11.8 8.1 10.2 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 165 |
The engine was installed on:
- Cadillac CT4 I (A2SL) since 2019;
- Chevrolet Colorado 3 (GMT31XX-2) since 2023;
- Chevrolet Silverado 4 (GMT1RC) since 2018;
- GMC Canyon 3 (GMT31XX-2) since 2023;
- GMC Sierra 5 (GMT1RG) since 2018.
Disadvantages of the GM L3B engine
When the engines from the first year of production were recalled, the wiring harness was replaced.
Carbon buildup on the intake valves is a problem for this engine, which only uses direct injection.
The quality of the gasoline in this area has a significant impact on both fuel injectors and injection pumps.
Additionally, there have been complaints regarding issues with the system that deactivates some of the AFM cylinders.