Open vs. enclosed: stop selling the wrong one.

The reflexive answer — enclosed for anything expensive, open for everything else — is leaving money on the table and, occasionally, putting the wrong car on the wrong deck.

The four variables that actually matter

I weigh these in roughly this order, and the answer falls out on its own about eighty percent of the time.

1. Ground clearance. Anything under about four inches at the front splitter cannot be safely loaded onto a standard eight- or nine-car open hauler, regardless of what the shipper wants to pay. It gets an enclosed trailer with a liftgate or it does not move.
2. Route weather exposure. A late-February run across the northern tier is not the same product as a June run on I-10. Road salt and freeze-thaw cycles are a real variable, and the shipper's "it's just a car, put it on open" stops being a reasonable instruction somewhere around the Ohio River in winter.
3. Transit duration. A three-day coast-to-coast is three days of UV, bug impact, and brake dust on the car above it. A two-hundred-mile dealer trade is not. The longer the transit, the more the enclosed premium earns its keep.
4. Insurance posture. What does the shipper's own policy say about in-transit coverage? If they carry agreed-value coverage on the vehicle with a carve-out for commercial transport, the cargo policy on the carrier matters less. If they don't, it matters a lot.

The myth of the "exotic-only" enclosed trailer

Enclosed is not a luxury product. It is a risk-management product. I have put unremarkable three-year-old sedans on enclosed trailers because the route and season made it the correct call, and I have put six-figure sports cars on open trailers because the route was four hundred miles in fair weather and the shipper was a sophisticated buyer who understood the tradeoff. Selling enclosed as a status tier is how brokers lose the trust of shippers who can do arithmetic.

Soft-side vs. hard-side enclosed

A distinction most shippers don't know to ask about. Soft-side enclosed trailers — curtain-sided, typically six-car — protect against road debris and weather but not against determined impact. Hard-side enclosed — aluminum-skinned, typically two- to four-car, often with a liftgate — is the product people actually picture when they ask for "enclosed." The price gap is meaningful. If a shipper asks for enclosed and accepts the first quote without asking which kind, they are probably getting soft-side, and that's usually fine, but they should know.

The one case where I always recommend enclosed

Fresh paint. A car that has come out of a body shop within the last thirty days has paint that has not fully cured at the molecular level, regardless of what the shop says. Road grit at highway speed embeds into it. I have seen otherwise perfect restorations ruined by a single open-deck run, and the claim is almost impossible to win because the damage is diffuse and the pre-existing condition is arguable. Fresh paint goes in a box. Every time. See case file 24-041 for the one that almost didn't.

Pricing the decision honestly

The enclosed premium over open runs roughly forty to sixty percent on most lanes, sometimes more on thin ones. That is real money, and a shipper who is being asked to pay it deserves to hear the actual reasoning, not a sales pitch. I would rather lose the booking than put a customer into an equipment choice they don't understand, because the customer who feels oversold does not come back, and this business runs on customers who come back.

— Filed under Equipment. Related: the load board math post, which covers how enclosed capacity gets mispriced in shoulder seasons.