Kmart offers the TomTom START 50M 5" Portable GPS with Lifetime Maps, model no. 1EF0.017.09, for $89.99. Plus, Shop Your Way Rewards members receive $40.90 in SYWR Credit. (Not a member? It's free to join.) With free shipping and assuming you'll use the credit, that's $5 under our June mention and the lowest total price we could find by $47. It features a 5" display, lane assist, maps of the U.S., and roadside assistance.

Of note, Shop Your Way Rewards members will earn a Kmart credit with this purchase and may be eligible for additional credits and discounts. Plus, Shop Your Way Max members are eligible for free shipping.