The 2.0-liter GM LTG turbo engine has been produced by the American concern since 2012 and is installed on models such as the Buick Regal, GMC Terrain, Cadillac ATS, Chevrolet Malibu and Equinox. In some markets, this engine is known by the restyled Opel Insignia under the A20NFT index.
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 2012 |
| Displacement, cc | 1998 |
| Fuel system | direct injection |
| Power output, hp | 230 – 275 |
| Torque output, Nm | 350 – 400 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.5 |
| Features | ECM |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | DCVCP |
| Turbocharging | Twin-Scroll |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.7 (4.7 liters for the front-wheel drive version) |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Chevrolet Equinox 2018) — city — highway — combined |
10.7 8.4 9.8 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 130 |
The engine was installed on:
- Buick Envision 1 (D2XX) in 2016 – 2020;
- Buick GL8 3 in 2016 – 2020;
- Buick Regal 5 (GMX350) in 2013 – 2017, Regal 6 (E2XX) in 2017 – 2020;
- Cadillac ATS I (A1SL) in 2012 – 2019;
- Cadillac CTS III (A1LL) in 2013 – 2019;
- Cadillac CT6 I (O1SL) in 2016 – 2018;
- Chevrolet Camaro 6 (A1XC) since 2015;
- Chevrolet Equinox 3 (D2XX) in 2017 – 2020;
- Chevrolet Malibu 8 (V300) in 2013 – 2016, Malibu 9 (V400) in 2015 – 2022;
- Chevrolet Traverse 2 (C1XX) in 2017 – 2019;
- GMC Terrain 2 (D2XX) in 2017 – 2020;
- Holden Commodore 5 (ZB) in 2018 – 2020.
Disadvantages of the GM LTG engine
- This turbo engine has been produced for quite a long time and many of its shortcomings have already been corrected;
- First of all, the unit is afraid of detonation and its aluminum pistons simply burst;
- Like all direct injection engines, it suffers from carbon deposits on the intake valves;
- The timing chain does not have a large resource either, sometimes it stretches up to 100,000 km;
- Also, grease leaks are very common here, and especially from under the timing cover.
Frequently asked questions about the GM LTG
How much power does the GM LTG make?
The GM LTG develops 230 - 275 hp and 350 - 400 Nm of torque.
How much oil does the GM LTG take and which one?
Engine oil capacity: 5.7 (4.7 liters for the front-wheel drive version) liters. Recommended oil: 5W-30.
Does the GM LTG have a timing belt or chain?
The GM LTG uses a timing chain.
Is the GM LTG turbocharged?
Yes, the GM LTG is turbocharged (Twin-Scroll).
Does the GM LTG 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 LTG last?
The typical lifespan of the GM LTG is ~250 000 km with proper maintenance.
What is the fuel consumption of the GM LTG?
Chevrolet Equinox 2018: city 10.7, highway 8.4, combined 9.8 L/100 km.
What cars was the GM LTG installed on?
Buick Envision 1 (D2XX) in 2016 - 2020; Buick GL8 3 in 2016 - 2020; Buick Regal 5 (GMX350) in 2013 - 2017, Regal 6 (E2XX) in 2017 - 2020; Cadillac ATS I (A1SL) in 2012 - 2019; Cadillac CTS III (A1LL) in 2013 - 2019; Cadillac CT6 I (O1SL) in 2016 - 2018 and 6 more (see the full list above).
What are the common problems of the GM LTG?
This turbo engine has been produced for quite a long time and many of its shortcomings have already been corrected. First of all, the unit is afraid of detonation and its aluminum pistons simply burst. All known problems.
