Wheel wells on GM trucks started off rounded, which goes perfectly with pickup tires, which are also round ... The change became so popular that Chevy models from that time are affectionately ...

While there were some outliers here and there in the lineup — early-60s first-generation C-series trucks had square-ish wheel wells — GMC and Chevy wheel wells were as round as the tires ...

Currently, the reason for this slight drop in price has become apparent – the 2026 Chevy Trailblazer will omit the standard spare wheel and tire (RPO code ZDC). The spare wheel and tire for the ...