As of 2015, a top-rated, walk-behind lawn mower can cost between $300 and $700, according to Popular Mechanics. The top eight walk-behind mowers from most affordable to most expensive are Troy-Bilt TB230, Poulan Pro PR625YRKP, Husqvarna 7021R, Toro 20332, John Deere JS36, Craftsman 37436, Snapper SPVH21675 and Honda HRX2172VKA.
A top-ranked riding lawn mower can cost around $1,000 to $4,000, states Consumer Search. The three top-rated riding lawn mowers are the Troy-Bilt Pony, the Husqvarna RZ5424 and the John Deere X304. Four top-rated riding lawn mowers for under $2,000 are the Husqvarna YTH21K46, the Cub Cadet LTX 1045, the John Deere D110 and the Craftsman YT 3000, reports Popular Mechanics.