Automotive Knowledge Center
Straight answers on vehicle valuation, diminished value, and the collector market — from an appraiser who has spent 50+ years around these cars.
Latest guides
Claims & Insurance
What Is Diminished Value? A Complete Guide
Diminished value is the money your vehicle loses simply because it has an accident on its record. The three types, how it's calculated, and how to document a claim.
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9 min read
Appraisal Basics
How Vehicle Appraisals Work
Inspection, condition rating, market analysis, and the written report that insurers, banks, the IRS, and courts accept.
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10 min read
Coming next
The full editorial roadmap
Each guide is researched and written from Mike's own appraisal and judging experience — not spun from a template. They publish as they're finished.
Mike's automotive blog- Classic Car Appraisals: What Determines Value
- Collector Car Values & the 2026 Market
- Classic Car Insurance: Agreed Value vs Stated Value
- Estate Vehicle Valuation & Probate
- Collector Car Market Trends
- The Complete Vehicle Inspection Guide
- How to Prepare Your Car for an Appraisal
- Porsche Market Values: A Marque Guide
- Muscle Car Values: What Moves the Number
- Classic Mercedes Values
- The Collector Car Investment Guide
- Auction Buying Tips from a Concours Judge
- Vehicle Authentication & Numbers-Matching
- VIN Verification Explained
- How Restoration Affects Collector Value
- The Insurance Total-Loss Process
- Collector Vehicle Documentation
- Future Collector Cars: What to Watch
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