Racing Classes

Any car with a base value of $500 or less. Creative themes and humor are encouraged and rewarded. Popular: Miata, Civic, E30, Volvo 240, Crown Victoria

$2K - $8K build

Multi-class system based on lap times and car preparation: EC (Economy Class, budget cars), ES (Endurance Standard), EP (Endurance Performance), EU (Endurance Unlimited)

$3K - $30K build

BMW vehicles classified into multiple classes based on model and modification level. Popular entries include E36 M3, E46 330i, E90 328i, Z4, and various M cars

$8K - $50K build

Any car with a base value of $500 or less (before required safety equipment). Popular choices: Miata, E30 BMW, Honda Civic, Sentra, Neon, Integra

$3K - $10K build

Rear-wheel-drive cars with appropriate safety modifications. Popular platforms: 240SX (S13/S14), 350Z, BRZ/FR-S/86, BMW E36/E46, Miata. Must be RWD or RWD-converted.

$5K - $50K build

Production-based touring cars classified into TC, TC365, and TCA classes based on car type and modification level

$8K - $40K build

Any car classified into Street, Street Modified, Enthusiast, Prepared, or Unlimited classes based on modifications

$0 - $20K build

GT and production sports cars from the 1960s through 1990s: Porsche 911 RSR, Corvette, Camaro, Shelby GT350, Datsun 240Z, BMW 2002, and other period GT cars

$30K - $250K build

Cars with a base value of $500 or less (before required safety equipment). Popular: Miata, Civic, E30, E36, Sentra, Neon

$2.5K - $8K build

Honda and Acura vehicles across multiple sub-classes: HC1 (Civic Si, Integra Type R), HC2 (CRX, Civic EX), HC3 (Civic DX/LX, CRX HF), HC4 (S2000, RSX Type S)

$4K - $20K build

Wide range of production cars classified into sub-classes by performance potential: PTA, PTB, PTC, PTD, PTE, PTF (from fastest to slowest)

$5K - $30K build

1983-1988 Porsche 944 (non-turbo, 2.5L inline-four)

$6K - $20K build

1984-1991 BMW 325i/is (E30 chassis with M20 2.5L engine)

$8K - $25K build

2001-2006 BMW 330i/330ci (E46 chassis with M54 3.0L engine)

$10K - $30K build

2006-2015 Mazda MX-5 Miata (NC chassis)

$10K - $28K build

2003-2008 Nissan 350Z (Z33 chassis)

$12K - $30K build

Any car meeting NASA safety requirements, classified by lap time into groups (TT1 through TT6, plus Unlimited)

$0 - $5K build

Various Porsche models classified into GT classes (GTA1-GTA3, GTB1-GTB3, GTC1-GTC7, GTD1-GTD2) based on model, modifications, and performance potential

$20K - $150K build

Any Porsche in safe, mechanically sound condition. Non-Porsches may be allowed at some regional events depending on the local chapter.

$0 - $1K build

1997-2004 Porsche Boxster (986 chassis, 2.5L and 2.7L)

$10K - $30K build

2005-2010 Ford Mustang GT (4.6L V8), 2011-2014 Ford Mustang GT (5.0L Coyote with restrictor)

$10K - $30K build

Any street-legal car classified into Street classes A through H based on performance potential. Examples: AS (Corvette Z06, Porsche 911), BS (Cayman S, M3), CS (BRZ, MX-5 ND), DS (Civic Si, GTI), ES (Miata NA/NB), FS (Camaro SS, Mustang GT), GS (Focus ST, WRX), HS (Fit, Fiesta)

$0 - $2K build

Lightly modified street-legal cars classified into Street Touring sub-classes: STS (Miata, CRX), STR (S2000, Miata NC/ND), STX (BRZ, WRX, BMW 3-series), STH (turbocharged cars with intake/exhaust mods)

$1K - $6K build

Subcompact economy cars: Honda Fit, Mazda 2, Ford Fiesta, Mini Cooper, Chevrolet Sonic, Fiat 500, Kia Rio

$4K - $12K build

Various production sports cars including Mazda Miata (all generations), Honda CRX, MG Midget, Triumph Spitfire, Toyota MR2, and others per SCCA classification

$8K - $35K build

SCCA Enterprises Formula Enterprises 2 (purpose-built spec formula car)

$30K - $60K build

Purpose-built Formula Vee open-wheel cars using VW-based drivetrain

$5K - $20K build

Heavily modified production cars: Corvettes, Camaros, Mustangs, Porsche 911s, and other approved chassis with extensive modifications

$50K - $200K build

Wide range of production cars from the 1960s-2000s. Sub-classes: ITA (e.g., Miata, CRX, Integra), ITB (e.g., VW GTI, 318i), ITC (e.g., Civic, Tercel), ITS (e.g., 240SX, RX-7, MR2), ITR (e.g., Corvette, S2000)

$5K - $20K build

1990-2005 Mazda Miata (NA and NB chassis)

$8K - $25K build

SCCA Enterprises Spec Racer Ford (purpose-built spec race car)

$20K - $50K build

Production-based sports and touring cars. Sub-classes: STU (unlimited mods), STL (lightweight/lower power), STO (closed-top), STP (Porsche-specific)

$15K - $75K build

Period-correct production sports cars from 1955-1961: Porsche 356, Triumph TR3, MGA, Austin-Healey 100/3000, Corvette (C1), Lotus Elite, Alfa Romeo Giulietta

$20K - $150K build

Wide range of production-based cars classified by performance index: GP1 (highest performance, e.g., Corvettes, 911s), GP2, GP3, GPC (lowest performance, e.g., Miatas, Civics)

$5K - $35K build