Paint the Existing Siding or Replace It?
Painting changes the finish. It does not make rotten, warped, cracked, detached, or poorly drained siding sound. Recladding changes the exterior surface and may expose the wall, but it brings demolition, access, and transition work.
Ask what problem you are solving
Painting may fit a sound substrate with faded color, a compatible old coating, or routine renewal. Replacement may be more defensible when boards are warped, cracked, rotten, repeatedly failing, or no longer matchable.
Separate appearance from performance. Peeling can be a coating problem, but it can also reflect moisture, incompatible preparation, or substrate deterioration. A new color does not correct failed flashing or a wet wall.
Material changes the comparison
Wood depends strongly on its finish and exposure. Fiber cement and stucco may need compatible recoating but are not interchangeable. Aluminum may be recoated when preparation is suitable. Vinyl is commonly cleaned rather than painted, subject to the product requirements.
For masonry, paint or stain can change future maintenance and the difficulty of returning to an uncoated appearance. Older or damp masonry deserves specialist input before coating.
Compare the cost horizon
A painting quote should show preparation, repairs, primer, coats, access, and trim. A replacement quote should show removal, disposal, wall preparation, flashing, drainage layers, trim, and concealed-condition allowances. Compare future touch-up, caulk, repainting, and access too.
Do not rely on an unsupported resale return claim. The stronger economic case comes from matching the work to the condition and avoiding a coating cycle that hides an active failure. If moisture or repeated damage is present, pause for a qualified assessment.