Stuck between two MacBooks?

Each comparison opens with the answer, then a feature table in everyday language. Prices are November 2026 eBay asking ranges.

• Should I buy a used M1 or M2 MacBook Air?Air 13-inch M1 vs Air 13-inch M2→
• Should I buy a used M2 or M3 MacBook Air?Air 13-inch M2 vs Air 13-inch M3→
• Should I buy a used M3 or M4 MacBook Air?Air 13-inch M3 vs Air 13-inch M4→
• Should I buy a used M4 or M5 MacBook Air?Air 13-inch M4 vs Air 13-inch M5→
• Should I buy a 13-inch or 15-inch MacBook Air?Air 13-inch M4 vs Air 15-inch M4→
• Should I buy an M4 Air or a 14-inch M1 Pro?Air 13-inch M4 vs Pro 14-inch M1 Pro→
• Should I buy an M4 Air or a 14-inch M4 MacBook Pro?Air 13-inch M4 vs Pro 14-inch M4→
• Should I buy a 14-inch M1 Pro or M4 MacBook Pro?Pro 14-inch M1 Pro vs Pro 14-inch M4→