OP said, "My original post noted that it might just be a subjective concern of mine, although the need to open the big vehicular sliding door after going outside the front door into the front yard in front of the world to get to the washer/dryer seems like such a PAI--although .... "
Possible 'cost to cure' would be to put a stacked washer/dryer inside the house (adjacent wall inside)l. But you may be overthinking the garage issue.
Here is what AI suggests:
"How to Think About It
Needing to manually move a large vehicle door and go outside to do laundry makes daily living less convenient and can be a safety and security concern, especially in bad weather or at night. It also signals that the garage and laundry were not designed with modern use in mind, which many buyers will see as a defect rather than a quirk.
Practical Upgrade Options
• Add a powered opener and keypad/remote to the sliding or overhead vehicle door so it can be opened from inside the car and house with minimal effort.
• Create an interior access path to the washer/dryer if structurally feasible (e.g., add a doorway from a hall, kitchen, or mudroom into the garage or a small laundry alcove).
• If interior access is impossible, consider enclosing a short, covered breezeway to the laundry area and adding good lighting, non-slip flooring, and weather protection so it functions more like interior space.
Negotiation and Valuation
• Treat the current configuration as a defect that will either cost you a future remodel or narrow the buyer pool when you sell; factor an estimated fix into your offer price.
• Get contractor bids for an opener, a new man-door, or a small interior laundry relocation so you can quantify the cost and decide whether the house is still attractive after those improvements."
Good luck.