Comparison

ALMS

Category: Prototype or Sports Car

Top Speed: P1 210 mph / GT 190 mph

Horsepower: P1 700 / GT 650

0-100 mph: P1 3.2 sec / GT 3.6

Wheelbase: P1 120 inches / GT 180 inches

Weight (min.): P1 1,985 lbs / GT 1,235 lbs

Engine: Varying 4 to 8 cylinder configurations; 3.2 to 7 liters; normally aspirated or turbocharged; gas-electric, diesel electric and flywheel electric hybrids also allowed

Fuel: Diesel, E10, cellulosic E85 (all street legal), plus isobutanol

Gearbox: Six-speed sequential paddle shift

Tires: Four manufacturers: racing slicks or grooved rain tires

Tracks: Road courses and temporary street circuits

Race Length: 2 1/2 hours to 12 hours

No. of Drivers: 2 to 3 depending on race lengthDue to car diversity, all figures are approximate

FORMULA ONE

Category: Open wheel

Top Speed: 210 mph

Horsepower: 900

0-100 mph: Less than three seconds

Wheelbase: 105 – 108 inches

Weight (min.): 1,411 pounds (640 kg) with driver

Engine: 2.4-liter V-8

Fuel: Unleaded racing gasoline (Euro 98)

Gearbox: Semiautomatic with four to seven forward gears

Tires: Single supplier racing slicks or grooved rain tires

Tracks: Road courses or temporary street circuits

Race Length: 2 hours

No. of Drivers: 1

INDYCAR SERIES

Category: Open wheel

Top Speed: 230 mph

Horsepower: Approx. 550-700

0-100 mph: 3.9 seconds

Wheelbase: 120 inches

Weight (min.): Approx. 1,500 pounds on ovals; 1,550 pounds on road courses

Engine: 2.2-liter turbocharged V-6

Fuel: E85

Gearbox: Six-speed paddle shift

Tires: Single supplier racing slicks or grooved rain tires

Tracks: Road courses, temporary street circuits and ovals

Race Length: 2 to 3 1/2 hours

No. of Drivers: 1

NASCAR

Category: Stock car

Top Speed: 220 mph

Horsepower: Approx. 850

0-100 mph: 4-5 seconds

Wheelbase: 110 inches

Weight (min.): 3,450 pounds without driver

Engine: 5.7-liter V-8

Fuel: E15

Gearbox: Manual four or five-speed

Tires: Single supplier racing slicks

Tracks: Ovals and road courses

Race Length: 3 to 4 hours

No. of Drivers: 1