Fan Info - INDYCAR 101 - The Car Dallara - Verizon IndyCar Series Car Specifications

2017 Verizon IndyCar Series Car Specifications


Manufacturer: Dallara Automobili, Italy

Model: Dallara IR-12 Chassis (2012-Present)

Construction: Monocoque contains cockpit, fuel cell and front suspension; engine is stressed (integral) member of chassis; rear assembly contains bellhousing, gearbox and rear suspension members

Materials: Carbon fiber, kevlar and other composites

Weight: Approximately 1610 lbs (Road/Street/Short Ovals) and 1580 lbs (Speedways) (Does not include fuel / driver / drink bottle & contents / driver equivalency weight)

Length: 203.94 inches (Road/Street/short Ovals); 197.33 inches (Speedways);

Width: 78.5 inches maximum, 77.5 inches minimum (measured outside rim to rim), floor is 79 inches

Height: Approximately 40 inches

Wheelbase: 117.5 to 121.5 inches

Wheel Size:

  • Front: 15 inches diameter, 10 inches wide, minimum weight: 13.48 pounds
  • Rear: 15 inches diameter, 14 inches wide, minimum weight: 14.7 pounds

Tires: Firestone Firehawk

Front diameter: 26 inches maximum, 25 inches minimum @ 35 psi

Rear diameter: 27.5 inches maximum, 26.5 inches minimum @ 35 psi

Brakes: Brembo six-piston, monobloc aluminium calipers, with PFC carbon-carbon brake discs and pads

Gearbox: XTRAC #1011 gearbox, six forward gears, one reverse gear, Mega-Line Assisted Gear Shift (paddle-shift)

Fuel Cell: Single, rupture-proof cell, 18.5 U.S. gallons (standard)


Manufacturers: American Honda Motor Co., Chevrolet

Models: Honda HI17R Indy-V-6, Chevy IndyCar V6

Type: 2.2-liter (134.35 cubic inches) V-6, twin-turbocharged, Max. bore diameter 95 millimeters

Weight: Minimum weight is 248 pounds.

Turbocharging: Twin BorgWarner 6758 turbochargers

RPM: 12,000 maximum (INDYCAR-supplied rev limiter)

Maximum Boost Pressure (above atmosphere): 300 mbar / 4.35 psi (Superspeedways); 400 mbar / 5.8 psi (Short Ovals); 500 mbar / 7.25 psi (Road/Street Courses); 650 mbar / 9.43 psi (Push-To-Pass)

Power: Estimated 600-750 horsepower depending on turbo boost used at track.

Fuel:  Sunoco E85R fuel (blend of 85 percent ethanol and 15 percent gasoline)

Injector: Maximum two injectors per cylinder, one for direct injection, 300 bar maximum fuel system pressure, 4351 psi

ECU (Engine Control Unit): McLaren Applied Technologies TAG 400i

Throttle: Drive-by-wire controlled port throttles