Complex sentence: The car was notable for being painted in a "retro" paint schemes to resemble Rick Mears' 1988 Indy 500 winning car, a trend that Penske Racing would mimic in selected future races.
Split into simpler sentences: The car was notable for being painted in a "retro" paint schemes to resemble Rick Mears' 1988 Indy 500 winning car. A trend that Penske Racing would mimic in selected future races.