The Advance Auto Parts location at 950 E 88th Ave in Thornton offers automotive aftermarket products, free store services, and same day options. Personnel are consistently described as helpful, knowledgeable, respectful, and professional, providing great customer service. Staff assist with minor repairs like battery and wiper installation right in the parking lot, making the experience comfortable and easy. Customers report having the best experience and highly recommend this location. The store provides free services including battery testing, engine code scanning, and battery recycling. Leading brands include FRAM, Carquest, and DieHard batteries. The Speed Perks loyalty program earns points toward discounts.