Editing GM High Feature engine (section)

=== LF3 ===
The 3.6L [[twin-turbo]]charged version for the 2014 Cadillac CTS and XTS was announced at the 2013 [[New York International Auto Show|NYAS]].<ref>{{cite web|url=http://media.gm.com/media/us/en/gm/news.detail.html/content/Pages/news/us/en/2013/Mar/nyas/0318-lf3-engine.html |title=Cadillac Twin-Turbo Debuts in All-New 2014 CTS Sedan |publisher=Media.gm.com |date=2013-03-18 |accessdate=2022-03-29}}</ref>

The engine is rated at {{convert|420|hp|kW PS|0|abbr=on}} of power at 5750 rpm and {{convert|430|lbft|Nm|0|abbr=on}} of torque at 3500–4500 rpm (with 90% of torque being available at 2500–5500 rpm) and helps the CTS achieve [[0 to 60 mph|{{convert|0-60|mph|km/h|abbr=on}}]] time of 4.6 seconds with an 8-speed automatic transmission.

In essence, the twin-turbo 3.6L V6 is the forced-induction variant of the popular LFX V6 found in the Cadillac ATS, XTS, and SRX, among many other GM models, with several important upgrades, including:
* All-new cylinder block casting
* All-new cylinder head castings
* Strengthened connecting rods
* [[Forged steel]] crankshaft
* Continuously variable valve timing
* Large {{convert|38.3|mm|in|abbr=on}} intake valves and {{convert|30.6|mm|in|abbr=on}} sodium-filled exhaust valves
* Machined, domed aluminum pistons with top steel ring carrier for greater strength
* 10.2:1 compression ratio
* Patented, integrated charge air cooler system with low-volume air ducts
* [[Twin-turbo|Twin turbo]]chargers produce more than {{convert|12|psi|kPa|abbr=on}}
* Vacuum-actuated [[wastegate]]s with electronic control valves
* All-new direct injection fuel system
* Tuned air inlet and outlet resonators, aluminum cam covers, and other features that contribute to exceptional quietness and smoothness

Applications:
{| class="wikitable" style="font-size: 90%"
|-
! Year(s)
! Model
! Power
! Torque
! Dyno chart
|-
| 2014–2019
| [[Cadillac XTS]]
| {{convert|404|hp|kW PS|0|abbr=on}} @ 6000 rpm 
| {{convert|369|lbft|Nm|0|abbr=on}} @ 1900–5600 rpm
| [https://web.archive.org/web/20160307031956/http://gmpowertrain.com/2014_images/charts_lg/lf3_chart_cadillacxts.jpg link]
|-
| 2014–2019
| [[Cadillac CTS#Third|Cadillac CTS]]
| {{convert|420|hp|kW PS|0|abbr=on}} @ 5750 rpm 
| {{convert|430|lbft|Nm|0|abbr=on}} @ 3500–4500 rpm
| [https://web.archive.org/web/20160308132652/http://gmpowertrain.com/2014_images/charts_lg/lf3_chart_cadillaccts.jpg link]
|}