Used Mazda Mazda3 for sale in Saint Peters, MO

6 used Mazda Mazda3 listings for sale in Saint Peters, MO. Live pricing, mileage and deal scoring on eCarsList.

• 2026 Mazda Mazda3 2.5 S Select Sport $27,353
• 2026 Mazda Mazda3 2.5 S Preferred $28,800
• 2026 Mazda Mazda3 2.5 S Preferred $29,272
• 2026 Mazda Mazda3 2.5 S Preferred $30,413
• 2026 Mazda Mazda3 2.5 Turbo Premium Plus $39,178
• 2026 Mazda Mazda3 2.5 Turbo Premium Plus $39,775

All used Mazda Mazda3