CTS was manufactured between 2003 and 2019, though the exact engine that powers it will depend on the year your used Caddy was made:
The 2003 Cadillac CTS was originally powered by a 3.2-liter LA3 V6 engine
One year later, an optional upgrade of a 3.6-liter DOHC V6 engine with variable timing became available
In 2005, the CTS got a standard 2.8-liter DOHC V6 engine on the entry-level trim
The third and most recent generation, the CTS-V—which was in production between 2016 and 2019—is powered by a supercharged 6.8-liter V8 engine that delivers an impressive 680 horsepower and 640 pound-feet of torque. With this powerful engine, you’ll go from 0 to 60 mph in 3.7 seconds and reach a top speed of 200 mph.
If you’ve got your eyes on a specific used Cadillac but aren’t sure about its trim level or engine, don’t hesitate to ask the dealer! Understanding the basics of your car’s engine is an essential part of car maintenance and any car salesperson should be happy to educate you.
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