Costco offers the Evenflo Symphony Elite Car Seat in Porter for $149.99 with free shipping. (Non-members must pay $7.50 more.) That's the lowest total price we could find by $75. This seat is designed for children from 5 lbs. to 110 lbs. and includes a removable head and body pillow and integrated cup holder. It's designed for children from 19" to 37" and 5 lbs. to 40 lbs in the rear facing position and children from 28" to 50" and 22 lbs. to 65 lbs. in the forward position. It can be used in booster mode from 43" to 57" and 40 lbs. to 110 lbs.