I had new Autolite sparkplugs installed. I didn't want to go through the hassle and do them myself, so I took it to an independent Auto Repair shop. I know the owner and he does great work. The cheapest he could get the plugs were 13.00 each, a little expensive, but with parts, labor and tax the total was only $180.00. I looked online for the dealer price and the estimated cost was $294 to $325. Oh! and none of the sparkplugs broke.