KBB.com 10 Coolest New Cars Under $25,000. Boasts 24 Highway MPG and 17 City MPG! This GMC Canyon boasts a Gas V6 3.6L/217 engine powering this Automatic transmission. WHEELS, 17" X 8" (43.2 CM X 20.3 CM) BLADE SILVER METALLIC CAST ALUMINUM (STD), TR...