As others have said both are great engines. I'd pick on overall condition/maintenance history of the vehicle.
No problem.I didn't mean to offend you, But the 3800 is just as proven....If not more so as they were around before Modular engines.
Using the Livery/Taxi/Patrol car metric is a little convoluted as GM stopped making the B/D-Body after 1996....Basically giving that market to Ford.
Welcome to BITOG.My bad, 1st time here.. I don't know a whole lot about cars or what to ask specifically, but I'll keep trying to learn.
No problem.
Did the Chevy V6 stop using HEI in the latter years of production?