Most businesses assume commercial auto insurance premiums are driven primarily by driving records and claims history. While those factors matter, vehicle classification often has a bigger impact on cost—and it's frequently wrong. Misclassified vehicles can inflate premiums by 20-40%, yet most brokers never review classifications beyond the initial policy setup.
What Is Vehicle Classification?
Commercial auto insurance carriers assign each vehicle a classification code based on how it's used, not just what type of vehicle it is. The same pickup truck can be classified as "service use," "retail use," or "contractor use"—each with dramatically different premium rates.
Classification codes determine base rates, which are then adjusted for driver history, coverage limits, and deductibles. If your vehicles are misclassified at the base level, every other adjustment compounds the error.
Common Classification Categories
Primary Use Classifications:
- Service Use: Vehicles used primarily for service calls, installations, or repairs at customer locations (HVAC, plumbing, electrical contractors)
- Retail Use: Vehicles used for deliveries to retail customers or business-to-consumer operations (florists, caterers, mobile services)
- Commercial Use: Vehicles used for business-to-business deliveries, pickups, or transportation of goods between commercial locations
- Contractor Use: Vehicles used to transport tools, equipment, and materials to job sites for construction or contracting work
- Salesperson Use: Vehicles used primarily for sales calls, client meetings, or business development activities
The same Ford F-150 pickup truck can have base rates that vary by 35% depending on which classification applies. A truck classified as "contractor use" (hauling materials to job sites) typically costs 25-35% more than the same truck classified as "salesperson use" (visiting clients for estimates).
Why Misclassification Happens
Most misclassifications occur during the initial policy setup or when businesses add new vehicles. Common scenarios include:
- Default Classifications: Brokers select the most common classification for your industry without asking about actual vehicle usage
- Business Changes: Your operations evolve but vehicle classifications aren't updated to reflect new usage patterns
- Mixed-Use Vehicles: Vehicles used for multiple purposes get classified based on the highest-risk use, even if that's only 20% of actual usage
- Carrier Assumptions: Insurance companies make assumptions based on your business type without verifying actual vehicle usage
Real Example: HVAC Company Misclassification
A 25-employee HVAC company in Pennsylvania had 12 vehicles classified as "contractor use" because their broker assumed all HVAC companies haul equipment to job sites. Their annual commercial auto premium was $48,000.
Actual Vehicle Usage:
- 8 vehicles: Service technicians driving to customer locations for repairs and maintenance (should be "service use")
- 2 vehicles: Sales team visiting commercial clients for estimates (should be "salesperson use")
- 2 vehicles: Installation crews hauling equipment to new construction sites (correctly classified as "contractor use")
After Reclassification:
Correcting the classifications for 10 of 12 vehicles reduced the annual premium to $34,500—a $13,500 savings (28% reduction) with zero changes to coverage or deductibles.
The company had been overpaying for three years because no one reviewed whether the initial classifications still matched actual vehicle usage.
Radius of Operation: The Other Hidden Factor
Beyond classification, carriers also rate vehicles based on radius of operation—how far from your business location the vehicles typically travel:
Radius Categories:
- Local (0-50 miles): Lowest rates, vehicles stay within a 50-mile radius of your business location
- Intermediate (51-200 miles): Moderate rates, vehicles travel within your state or neighboring states
- Long Distance (200+ miles): Highest rates, vehicles regularly travel across multiple states
Many businesses are rated for "intermediate" or "long distance" radius by default, even when most vehicles never leave the local area. If 90% of your fleet operates within 50 miles but you occasionally send one vehicle on a longer trip, you may be able to classify most vehicles as "local" and only rate the long-distance vehicle appropriately.
How to Audit Your Vehicle Classifications
Most businesses have never reviewed their vehicle classifications since the policy was first written. Here's how to audit your current classifications:
Step 1: Request Your Current Schedule of Vehicles
Ask your broker or carrier for a complete schedule showing each vehicle's year, make, model, VIN, and assigned classification code. This document should also show radius of operation for each vehicle.
Step 2: Document Actual Usage
For each vehicle, document its primary use (not occasional use). If a truck is used 80% for service calls and 20% for material pickup, it should be classified as "service use," not "contractor use."
Step 3: Compare Classifications to Actual Usage
Identify vehicles where the assigned classification doesn't match documented usage. Flag these for review with your broker or carrier.
Step 4: Request Reclassification Quotes
For vehicles with incorrect classifications, request quotes showing the premium difference if classifications are corrected. Most carriers will make mid-term adjustments if errors are identified.
When to Review Classifications
Vehicle classifications should be reviewed:
- Annually at renewal to ensure classifications still match current operations
- When adding new vehicles to avoid default classifications that may not apply
- After business changes such as expanding service areas, adding new service lines, or changing operations
- If premiums increase significantly without corresponding claims or driver changes
The Plan Design Audit Approach to Commercial Auto
Most brokers shop commercial auto rates at renewal without reviewing vehicle classifications, radius of operation, or coverage structure. A Plan Design Audit examines these factors before requesting quotes—ensuring you're shopping optimized classifications, not just carrier rates. This typically yields 15-30% better results than traditional rate shopping because you're fixing the underlying cost drivers instead of just comparing inflated premiums.
Are Your Vehicles Properly Classified?
Request a free commercial auto classification review to identify misclassified vehicles and potential premium reductions before your next renewal.
Request Classification Review