The SEMA Show runs November 3 to 6, 2026, at the Las Vegas Convention Center, and most car people will only ever see it through photos. Here’s what the show actually is, how to read the cars on the floor, and why the oldest idea in the building is a roadster from 1962.
SEMA is the trade show of the specialty automotive aftermarket: the companies that make the wheels, engines, suspension, paint and parts that turn a stock car into somebody’s car. SEMA calls it “the world’s largest automotive aftermarket trade event,” spread across about 1.1 million square feet indoors and roughly a million more outside, according to SEMA News.
Every November your feed fills with lifted trucks, wild paint and engines that look like jewelry. It’s easy to read all of that as a car show. It isn’t, quite. It’s a marketplace, and the cars are the catalog.
Once you know that, the photos start making a lot more sense.
The basics
What is the SEMA Show?
November 3 to 6, Las Vegas
Four days at the Las Vegas Convention Center, per the official SEMA Show site.
The trade, mostly
It’s a trade-only event. The public can attend on Friday, November 6, the same day as SEMA Fest.
A stadium basement
The first show ran in 1967 under Dodger Stadium in Los Angeles, with 98 manufacturers and about 3,000 people. It moved to Las Vegas in 1977, per Wikipedia’s history of SEMA.
The association behind it formed in 1963 as the Speed Equipment Manufacturing Association. The name changed in 1970 to the Specialty Equipment Market Association, which is what the letters stand for now. The original name is the more honest one: it started with people who made parts that made cars faster.
At a glance
SEMA 2026 in one table
| What | Detail |
|---|---|
| Dates | Tuesday, November 3 to Friday, November 6, 2026 |
| Venue | Las Vegas Convention Center |
| Access | Trade only, open to the public on Friday, November 6 |
| Size | About 1.1 million sq. ft. indoors, roughly 1 million outdoors |
| Also on | Battle of the Builders, the New Products Showcase, SEMA Fest on November 6 |
Dates and access from semashow.com. Floor space and returning events from SEMA News, June 2026.
Every car on the floor is selling something you can’t see in the photo.
How to read it
Four ways to read SEMA photos this week
Read the car as a parts list
A SEMA build exists to show what a product does when it’s bolted to something real. The wheels, the brakes, the supercharger, the paint system: each one usually belongs to a company with a booth nearby.
So when a build stops you scrolling, the useful question isn’t “whose car is that.” It’s “what are they selling on it.”
Watch the builder competitions
Battle of the Builders is SEMA’s vehicle competition for the cars shown at the show. It names a winner in four categories (Hot Rod and Hot Rod Truck; 4 Wheel Drive and Off-Road; Sport Compact, Import Performance, Luxury and Exotic; and Young Guns, for builders 29 and under), then crowns one overall champion, per a 2023 SEMA release. SEMA lists it among the returning events for 2026.
If you only follow one thread from the show, follow that one. It’s where individual builders, not just brands, get the attention.
Spot the swap
Look closely and a lot of builds are one car’s body with another car’s heart. That idea is older than the show itself.
The Cobra started as exactly that. AC Cars in England had been building the small Ace roadster since 1953. Ford supplied V8 engines, and in January 1962 AC’s mechanics finished the first prototype, the “AC Ace 3.6,” according to Wikipedia’s AC Cobra entry. A light British body, a big American engine. A year later, the speed-equipment makers formed the association that would run SEMA.
Notice what nobody touched
The builds that last in people’s heads usually keep the original shape and change everything under it. Proportion is the one thing the aftermarket rarely improves on.
The 427 S/C is a good example. S/C meant semi-competition: a street-legal car built from the racing version, per the same Wikipedia entry. It’s also the shape most people still picture when they hear the name.
We make concrete sculptures of iconic cars, so we’re on the other end of SEMA’s logic. A build adds parts to a car until it stands out. We take everything off until only the shape is left, then cast it in concrete and finish it by hand.
The Shelby Cobra 427/SC comes in Concrete Grey, Noir Black, Coffee Brown, Wine Red, Ember Orange or Agave Green. Every model is 7 inches long and shipping is free in the U.S. Want two? Pick Any 2 pairs any two models at one set price, or see every model here.
A position
On the cars that win the week
The cars that get shared most from SEMA are usually the loudest: the most parts, the brightest paint, the biggest wheels.
Our take: the best build on the floor is the one you could still recognize with every part removed.
Parts date. Paint trends turn over every few seasons. A good shape doesn’t need either, which is why a roadster from 1962 is still a template builders come back to.
Car culture, the workshop, and the occasional new pour
Join the list and your first finish is on us.
Asked often
Questions people ask
When is the SEMA Show 2026?
November 3 to 6, 2026, at the Las Vegas Convention Center.
Can the public go to the SEMA Show?
The show is trade-only. The general public can attend on Friday, November 6, which is also the date of SEMA Fest.
What does SEMA stand for?
The Specialty Equipment Market Association. It formed in 1963 as the Speed Equipment Manufacturing Association and took its current name in 1970.
What is Battle of the Builders?
SEMA’s vehicle competition for show cars. It names winners in four categories, including Young Guns for builders 29 and under, and then one overall champion.
What does 427 S/C mean on a Cobra?
S/C stands for semi-competition: a street-legal car built from the racing version.
The original build, in concrete
The Shelby Cobra 427/SC, cast in concrete and finished by hand in our New York workshop. Choose raw Concrete Grey or one of five finishes. Free U.S. shipping.
See the CobraSources: SEMA Show official site, read Oct 26, 2026; SEMA News, June 2026; SEMA press release on Battle of the Builders, July 2023; Wikipedia, SEMA (association); Wikipedia, AC Cobra.
Photos: Fig. 01 via Pexels (Pexels License). All other photos Piedra Studios.
We mention other makers and events by name only to describe them. No affiliation or endorsement is implied.
Every piece is cast in concrete, pulled from the mold, then sanded and sealed by hand in our shop. No two come out exactly alike.
Piedra is Spanish for stone.
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