Launched in 2003 as a replacement for the incredibly successful S-series, the Saturn Ion immediately had big shoes to fill. It was offered as either a simple 4-door sedan or the infamous Quad Coupe (a bi-parting, 4-door coupe). If that wasn't interesting enough, a limited number of Ion coupes came with Red Line trim. This included a supercharged 2.0L engine making between 205-241hp (depending on optional staged upgrades), performance sway bars and shocks, big brakes, and a price tag of less than $22,000. Red Line aside, the Saturn Ion presented a decent compact option to those looking for an inexpensive, fuel efficient car. Plus, Saturn Ion parts are relatively inexpensive as well. So if yours needs repair, it won't break the bank or empty your wallet.