Escape Doors on Car Haulers: Why, Where and How Big
Load a car into an enclosed trailer and you cannot open its door. The escape door is the solution, and it is worth getting the placement exactly right.
August 22, 2026 · 4 min read
Drive a car into an 8.5-wide enclosed trailer and stop. Now try to get out. With a foot or so between the car door and the trailer wall, you cannot open the car door far enough to climb through, and the alternative is crawling out a window. The escape door fixes this: a large side opening positioned at the driver's door of the loaded car, so you open the trailer wall, then the car door, and step out. On a car hauler or race trailer it is the single most useful option on the sheet.
The size
Our options list offers a 54-inch by 48-inch escape door with a flushlock. The 54-inch width is what lets a car door swing open through it; the 48-inch height is enough to step through with the door frame at floor level. Some builders offer smaller escape doors, and they are frustrating in practice because a car door that opens a few inches into the trailer wall is not much better than no door. Get the full-size one.
Placement is everything
The escape door has to line up with the driver's door of the car once it is loaded and strapped, and that depends on the car, the trailer length and where you park the car for tongue weight. Before you order, measure the distance from the front of the car to the front edge of the driver's door on the car you haul most, then figure where the front of that car will sit in the trailer. Our post on tie-down layout planning covers the load position question. If you haul several different cars, place the door for the longest one and accept a slightly awkward angle on the shorter ones, or order a second escape door.
Which side
Driver's side is the default in the United States, which puts the escape door on the left wall of the trailer. If the car is loaded in reverse, which some racers do to keep the engine weight over the axles, the driver's door ends up on the right wall. Decide how you will load before you decide which side the door goes on.
Frame and floor considerations
A 54-inch opening removes a lot of wall structure, so the builder frames the opening with reinforced posts and a header. On a long trailer it is worth pairing the escape door with 12-inch on-center wall posts so the wall stays stiff; our post on reading a frame spec explains why. The door threshold sits at floor level, so a drip lip and a good seal matter: the door is directly in the spray from the trailer tires. Check the seal after the first few wet trips.
Other things that go with it
- A fold-down step or a fixed step below the escape door, because the floor of an 8.5-wide is a long step down.
- An interior light on a switch by the door so you are not stepping out into the dark at a track.
- A second, standard side door near the front for getting in and out when the car is not loaded.
- A winch plate at the front if the car ever arrives not running.
If you are speccing a hauler, bring the car's dimensions to the custom build conversation and we will place the door where it works. Our post on why car enthusiasts choose custom enclosed trailers covers the rest of the race-and-show spec.
Frequently Asked
Can I add an escape door to an existing trailer?+
Yes, by a shop that does trailer work, but it means cutting the wall and framing a new opening. It costs more and looks less clean than ordering it at build time.
Does the escape door leak?+
A properly sealed one should not. It sits low and in the tire spray, so inspect the seal a few times in the first season and keep the drip lip clear.
Do I need one on a 7-wide trailer?+
A 7-wide is too narrow for most cars, so escape doors are almost always an 8.5-wide item. On a 7-wide hauling a side-by-side or motorcycles, a standard side door does the job.
Does the escape door lock from outside?+
Yes. It carries a flushlock like the ramp, so it secures the same way. Add a padlock hasp if the trailer sits at tracks or in a shared lot overnight.
Ready to roll?
200+ trailers in stock in Douglas, GA. Financing for all credit types.
