The dealer wants nearly $200 for four spark plugs. Other than OE, what brand do you recommend for spark plugs for a 2006 Rx8

 

OEM, dont go to the dealer. should be around $80

 

stick to oem NGK plugs, they truly are the best for the vehicle.
You can find them online for about $80 as 200 mentioned.

 

Agreed on using only the original NGK plugs. They are the original plugs the car came with and the dealer just reboxes the same ones you can buy elsewhere and sells them at a premium. I usually get mine on rockauto.com for less than half the price.