Is an electric mower cheaper than a gas mower?
Electric mowers often have lower energy and routine-maintenance costs, while purchase price and future battery replacement can offset those savings. Gas cost depends on fuel use, price, oil, service, and repairs.
When electric may be the better value
It may fit smaller or moderate lawns, frequent mowing, access to charging, and owners who value lower routine maintenance. Existing compatible batteries can materially change the purchase cost.
When gas may be the better value
A gas mower may remain practical for long sessions, demanding conditions, or situations where charging and spare batteries would add substantial cost. Performance and suitability should be evaluated separately from ownership cost.