Q: What's the fastest way to know if a used 2010 Cadillac Escalade engine is worth buying?A: Confirm the mileage, run a compression test, and match the VIN engine code before you pay. Q: What does "VIN F" mean?A: It's GM's factory code for the 6.2L L94 V8 fitted to 2009–2013 Escalades. Q: How long should a used Escalade engine last?A: A well-maintained unit can commonly exceed...