Saucony Guide 18 vs New Balance Fresh Foam X Vongo v6:
Which to Choose

Start with what's identical: both share a 6mm heel-to-toe drop, both sit at a "medium" responsiveness driven by foam alone, and both deliver high stability through a broad, sidewall-supported platform rather than a firm post — the Guide via Saucony's CenterPath geometry, the Vongo via a medially supportive build with a firmer foam layer that guides pronation without going full motion-control. The real separation is stack and mass. The Vongo v6 is the taller, more cushioned shoe at 38mm heel / 32mm forefoot, versus the Guide 18's lower 35mm / 29mm — so the Vongo sits a few millimeters higher and plusher off the ground, while the Guide feels a touch closer to the road and more connected. That extra foam costs weight: in men's sizing the Vongo is about 10.6 oz (300g) against the Guide's 9.6 oz (272g), a noticeable gap that makes the Guide the nimbler of the two for pickups (in women's sizing they're effectively level, roughly 8.5–8.6 oz). Ride character tracks those numbers — PWRRUN in the Guide reads balanced, firm, and planted with a predictable roll-through, while Fresh Foam X in the Vongo reads a shade softer and more forgiving but still controlled. Neither is springy, and both go flat if you genuinely try to race them; the Vongo's foam is tuned to hold a slightly quicker steady zone before that happens, whereas the Guide's sweet spot sits a step more relaxed and its strength is tired-legs composure over distance.