How to buy a used car?

A Step-by-Step Guide to Buying a Used Car

Systematic planning and meticulous inspection are essential. Below is a professional breakdown of key steps:

I. Define Budget & Model Selection

• Comprehensive Cost Assessment:
  Beyond the purchase price, calculate annual expenses including fuel, insurance, maintenance, inspections, and other ongoing costs. Ensure total expenditures align with your income. If financing, evaluate monthly payments and interest burdens.
• Prioritize Mainstream Brands:
  Opt for models with high resale value. Minor facelift models often offer better cost-effectiveness. Avoid niche brands to facilitate future resale.

II. Core Vehicle Inspection Techniques

(A) Exterior & Structural Checks

• Paint Inspection:
  Observe color discrepancies across the body. Use a paint thickness gauge:
  • ~100μm: Normal factory finish.
  • ~200μm: Likely repainted.
  • ≥300μm: Suspected accident repair.
• Critical Components:
  Focus on structural parts (A-pillars, bumpers, undercarriage) to avoid accident-damaged vehicles. Assess tire wear to verify odometer accuracy.

(B) Performance & History Verification

• Test Drive:
  Mandatory hands-on evaluation of engine, transmission, brakes, and steering responsiveness. Bring an experienced friend for assistance.
• History Records:
  Obtain maintenance logs, accident reports, and insurance claims history. Exclude vehicles with major accidents or flood damage.

III. Transaction Channels & Risk Mitigation

• Prioritize Reputable Channels:
  Choose certified pre-owned programs or large platforms to minimize risks (e.g., document fraud, concealed issues). Avoid private transactions without verification.

IV. Post-Purchase Protection

• Warranty Confirmation:
  Some platforms offer limited warranties. Clarify coverage scope and duration to reduce future repair costs.

V. Timing Considerations

• Market Opportunity:
  Current new car price wars have driven down used car prices, creating favorable buying conditions. Exercise caution—prioritize vehicle condition over low prices to avoid hidden defects.