Forest River RV 315mb vs Grand Design Imagine

Searchshop currently shows 1 listing for the Forest River RV 315mb from 1 dealer alongside 441 listings for the Grand Design Imagine from 49 dealers, with prices and dealer locations updated continuously. On price, the Grand Design Imagine runs roughly 18% below the Forest River RV 315mb at the median ($45,989 vs $55,999), which adds up across the typical loan term. Listings span model years 2026–2026 for the Forest River RV 315mb and 2016–2027 for the Grand Design Imagine, so there's flexibility on both sides whether you're cross-shopping new, late-model, or used.

A live-data comparison like Forest River RV 315mb vs Grand Design Imagine gives recreational vehicles buyers a more realistic picture than spec sheets alone — the prices shown here reflect actual dealer asking prices, not MSRP. When evaluating recreational vehicles at this price point, experienced buyers typically weigh tow vehicle compatibility, slide-out count, floorplan layout, and fresh/gray water capacity alongside the headline number. The Grand Design Imagine currently carries the lower median asking price, which compounds meaningfully over a 48-to-72-month financing term — even a modest gap per month adds up to hundreds of dollars by payoff. Broader selection from the Grand Design Imagine side gives buyers more negotiating room and reduces the chance of settling on a unit that's slightly off on color, trim, or mileage. Request a dealer walkthrough that covers the roof seams, slideout seals, and holding-tank systems — issues in those areas are the most common source of expensive post-purchase repairs on recreational vehicles. Factor in campground fees, insurance, and seasonal storage costs when comparing total ownership cost between these two models, since those ongoing expenses often exceed the monthly payment difference. Listings refresh continuously as dealers update their feeds — check back if a specific recreational vehicles you're tracking changes in price or status.