Reference Details
- Common issue
- A Satellite or smaller-engine VIN presented as a Road Runner 440 after trim, graphics, badges, or engine changes.
- Confidence
- documented
- Correct value
- A 1973 Plymouth B-body Road Runner two-door hardtop 440 claim should decode as R car line, M medium price class, 23 two-door hardtop, U 440 four-barrel, and 3 model year; the assembly-plant character remains build-specific.
- Where to check
- 13-character VIN, using the car-line, price-class, body-type, engine, model-year, and assembly-plant positions.