How Car Shipping Quotes Are Calculated
Car shipping rates aren't generated at random. Dispatchers and auto transport brokers use a 5-factor mathematical formula based on live carrier availability and route fuel surcharges.
Car shipping quotes are calculated by combining: (1) Distance & Route Traffic, (2) Vehicle Size & Gross Weight, (3) Carrier Type (Open vs Enclosed), (4) Vehicle Operability (Running vs Inoperable), and (5) Seasonal Demand Spikes (Snowbird/Summer).
The 5 Core Calculator Inputs
1. Distance Tiers & Per-Mile Base
Short routes (<500 miles) average $1.20–$2.20/mile due to fixed truck loading time. Medium routes (500–1,500 miles) average $0.70–$1.00/mile, while long cross-country routes (>1,500 miles) drop to $0.40–$0.70/mile.
2. Vehicle Weight & Clearance Surcharge
Standard sedans serve as the base rate. Full-size SUVs add $150–$250, while heavy dual-rear-wheel trucks or lifted 4x4s add $300–$500 because they take up two trailer slots or exceed standard height limits.
3. Open vs. Enclosed Transport Type
Open transport multi-car carriers represent 90%+ of all dispatches. Enclosed hard-sided or soft-sided trailers carry a 30% to 60% price premium due to lower vehicle capacity per trailer (2–6 vehicles max).
Run the Official Calculation Engine
Want to see these exact factors applied to your origin and destination zip codes? Use our instant calculator.
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