Autocross Info

Autocross is presented by  SCCA. **

Autocross is an ideal way for drivers at any level of ability to learn the fundamentals of car control. It’s an opportunity to drive your car more aggressively than is safe or practical on city streets or country roads. That’s not to say reckless driving is encouraged; on the contrary, good autocross drivers are in complete control while driving their cars close to their handling limits. One of the attractions to newcomers is that any car in sound mechanical condition can be used. SUVs and vans are not permitted but beyond that, almost any car can participate. Most people that attend an autocross for the first time have never attempted anything like it. Many come back because it’s just so much fun. A few keep doing it year after year because it has become a part of their lives.

We group cars into different classes to make things interesting. Cars are grouped by manufacturer depending on the numbers represented. We group BMW, MINI, and Porsche into separate classes. Other manufacturers are usually grouped into the ‘Other’ class but sometimes we’ll group Corvettes or Corvairs together when there is good turnout.

Guests are always welcome to watch and cheer on their friends. Things to bring to an event include the kinds of things you would bring to a picnic or day at the beach – appropriate clothing, drinks, sun block and maybe a chair. Food is usually available from a vendor or nearby restaurant, but packing a lunch or snack is a good idea.

Autocross 2019 – How to Autocross

What is Autocross?

“Solo®” is the brand name for SCCA® Autocrossing and on paper it seems very simple – use traffic cones to make a mini-roadcourse in a large parking lot or unused airport tarmac and see who can drive it the quickest without hitting any cones or going off course.Despite the generally low speeds attained during competition, it’s one of the fastest paced, rapid-fire forms of motorsports you can find, with barriers to entry so low that many people are able to compete and be competitive at it.

Competitors range from the casual participant who may use the same daily driver that they car-pool with to the hard-core driver who has a special car, special tires and uses lots of vacation days to squeak out every last fraction of a second. In between the extremes, there are levels and classes for different degrees of car modification. There are even classes for ladies and also a Junior Driver program for kids in age appropriate karts.


Whatever your level or car – there is a place for you in SCCA Solo.

If you have never autocrossed before or don’t know the specific details, check out the “I want to Autocross” page. It will give you the basics of participating in an event. Don’t worry – it’s pretty easy and there are people to help along the way.

If you have been autocrossing, or want to know more about the different levels within SCCA Solo, keep reading or find out more in-depth information by exploring the right side menus. (Or bottom menus if you’re on a mobile device.)

Autocross Levels

Regional events are hosted by the individual Regions which make up SCCA. These events tend to be small events, and although a few of the larger regions might see 200+ people it’s much more likely to see only a few dozen entries at one of these. You do not need to be an SCCA member to participate in a Regional event (they will make you a temporary member for the weekend) but it does usually mean a discount if you are.

Divisional Events or series are a step up from Regional events and hosted by groups of SCCA® regions. Not every portion of the country has a series, but if yours does, it’s a good way to find a bit tougher competition than Regional events.

Match Tour
Match Tours are two-day events where the first day is a “traditional” autocross followed by a second day of qualifying runs and then the Top Dog or Under Dog challenges to determine an overall event winner.

Championship Tour
The SCCA Championship Tour is a set of events which create conditions similar to those seen at the season-ending SCCA Solo National Championships in Lincoln, NE. Champ Tour events attract some of the highest-level national competitors and local drivers who want to see how they stack up against each other.

It starts like drag racing, but with turns. With two mirror-image courses set up, reaction time, getting a good launch, and being consistently fast play a role in winning at ProSolo. This series travels the country and competitors collect points that set them up to be crowned ProSolo Champion at the season finale in Lincoln, NE.

National Championship
The TireRack SCCA Solo Nationals is the largest auto competition for sports cars in the world. More than 1,200 competitors descend on Lincoln, Nebraska each year for a competition which takes a week to complete and crowns a national champion in each class.

Autocross Classes
Cars and vehicles are classed in Solo according to modifications and potential. Each category has a set of allowed modifications and then the cars are divided into classes by ability. After all, it wouldn’t be fair to have an Italian exotic against an economy car.

Street Category (Super Street and A Street to H Street)
Classes in the “Street” Category have the most restrictive rules which keep competitors from feeling the need to make extensive modifications to their cars. “Racing” tire compounds are not allowed and only a few parts and changes are allowed to the car beyond what it had on the showroom floor.

Street Touring® Category (Street Touring Ultra, Roadster, Xtreme, Sport, and Front-Wheel-Drive)
Street Touring classes are the next level up from the Street classes and although they still require true “street” tires, more bolt-on modifications are allowed to make the cars handle better and get through the course quicker.

Street Prepared Category (Super Street Prepared and A Street Prepared to F Street Prepared)
This set of classes is where the level of commitment to modifying your vehicle really starts kicking in. Tires must be DOT-approved but sticky “racing”-style competition tires (sometimes called “R-comps”) are allowed. This is the first set of classes where competitors can modify some engine externals (induction, exhaust, etc.) and even swap parts between some trim levels.

Street Modified Category (Super Street Modified, Street Modified, and Street Modified Front-Wheel-Drive)
Want to add a turbo? Do an engine swap? Install a cam? A wing for some aero-grip? This set of classes might grab your interest. Tires must still be DOT-approved but R-Compounds are allowed.

Prepared Category (X Prepared and C Prepared to F Prepared)
This is a step up from the “Street” set of classes and is based off wheel-to-wheel road racing preparation for production-based cars. Prepared allows true racing slicks (non-DOT tires) and “guttting” of the interior are allowed. Rules for this category can get more intricate based on what car and class you’re running, so it pays to familiarize yourself with the rules when building a specific car for its Prepared-level class. Convertibles are required to have a bolted-on factory hardtop and/or a roll bar.

Modified Category (A-Modified to F-Modified)
The highest set of allowances, these classes have a place for cars built specifically for autocross, production-based cars with the most extreme modifications, and road racing formula cars and sports racers. If your car doesn’t have a good place before this, it is sure to find a place here.

Karts, CAM, Vintage etc
There are some classes which don’t fit the previous sets, but play an important part of automotive and racing enthusiasts lifestyle. SCCA has classes for karts, Classic American Muscle (CAM), Vintage cars, and College-engineering Formula SAE. There is also a Junior Driver program for kids in age-appropriate karts.

**All information above was  taken from the SCCA website and is subject to change.  Please visit their website for most updated information.**


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