Against an inner-city neighbourhood, Forest Grove trades walkability and mature trees for larger lots, modern floor plans and fewer near-term big-ticket repairs, since a roof, furnace or electrical panel over 20 years old is a cost an older neighbourhood carries more often.
Against another new suburb, the comparison comes down to specific amenities: proximity to schools, parks and retail, plus how built-out the surrounding area already is, since a neighbourhood still under construction can mean ongoing noise and changing streetscapes for a few more years.
Whichever comparison matters to you, the number that counts is what comparable sold houses actually brought, not a general neighbourhood reputation. Get your hand-reviewed valuation from Joel Dyck.