Classes Pro BuggyBuggies with engines not exceeding 6000cc for petrol engines or 7200cc for diesel engines Prolite BuggyBuggies with engines up to 3500cc, naturally aspirated SportsliteBuggy or Extreme 2WD with production car based engines, with engine capacity for naturally aspirated engines to a maximum of 2500cc or four (4) cylinder forced induction engines to a maximum capacity (swept volume) of 1600cc Super 1650 BuggyBuggies with engines not exceeding 1650cc Sportsman BuggyBuggies with engines not exceeding 1330cc Extreme 2WDHighly-modified 2WD with engines not exceeding 6000cc for petrol engines or 7200cc for diesel engines Performance 2WDModified 2WD with engines not exceeding 6000cc for petrol engines or 7200cc for diesel engines Extreme 4WDHighly-modified 4WD with engines not exceeding 6000cc for petrol engines or 7200cc for diesel engines Production 4WDProduction 4WD with engines not exceeding 6000cc for petrol engines or 7200cc for diesel engines SXS SportOff Road recreational vehicles (e.g., Polaris, Can-Am) with naturally aspirated engine of a capacity not exceeding 1200cc SXS TurboOff Road recreational vehicles (e.g., Polaris, Can-Am) with supercharged/turbocharged engine of a capacity greater than 1200c and not exceeding 2050cc