I spent a lot of time in West Philly during grad school, and live in East Passyunk now. I'd pick East Passyunk over West Philly any day. Parking is awful in both places. You'll find psychopaths who've lived in South Philly for 40 years putting out cones and raging when anyone moves them, and you'll find idiot Penn kids parking daddy's car wherever the fuck they want and leaving it there for decades in West Philly.

West Phily is subjectively prettier, with more trees and wider streets for sure. There are pockets of pretty in East Passyunk, and Dickinson Square, Columbus Square, and Jefferson Square are an easy walk. You can't beat the coffee shops and restaurants in East Passyunk - West Philly just doesn't compare. Same with grocery stores - depending on where you end up, you can get to three Acme's, a Sprouts, Whole Foods, and Giant within 5-20 minutes on foot. The Italian Market is right there for cheaper produce (that you should use ASAP) and meats/fishes.

I'm biased because I bought a house in East Passyunk, but I think it's the superior neighborhood., particularly due to local amenities and ease of access to the remainder of the city.