Honda RA615H

Minimum weight

145 kg

Power Unit Components

Internal Combustion Engine (ICE)

Motor Generator Unit - Kinetic (MGU-K)

Motor Generator Unit - Heat (MGU-H)

Energy Store (ES)


Control Electronics

Capacity - 1.6 litres

Cylinders - Six

Bank angle - 90 degree vee angle

No of valves - 24

Max speed - 15,000 rpm

Max fuel flow rate - 100 kg/hour (above 10,500 rpm)

Fuel consumption - 100 kg 'lights to flag' regulated fuel capacity limit

Fuel injection - Direct injection, single injector per cylinder, 500 bar max

Pressure charging - Single-stage compressor and exhaust turbine, common shaft


ExxonMobil High Performance Unleaded (5.75% bio fuel)

Mobil 1™ Engine Oil - High protection low friction lubricant and coolant, for high durability and improved fuel economy


Carbon-fibre composite main case, longitudinally mounted

Gear ratios

Eight forward and one reverse

Gear selection

Electro-hydraulically operated seamless shift


Epicyclic differential with multi-plate limited slip clutch


Electro-hydraulically operated, carbon multi-plate


Mobil 1 SHC™ Gear Oil - Low traction loss, high efficiency gear and bearing lubricant and coolant



Carbon-fibre composite, incorporating driver controls and fuel cell

Safety structures

Cockpit survival cell incorporating impact resistant construction and anti-penetration panels, front impact structure, prescribed side impact structures, integrated rear impact structure, front and rear roll structures


Carbon-fibre composite. including engine cover, sidepods, floor, nose, front wing and rear wing with driver-operated drag reduction system

Front suspension

Carbon-fibre wishbone and pushrod suspension elements operating inboard torsion bar and damper system

Rear suspension

Carbon-fibre wishbone and pullrod suspension elements operating inboard torsion bar and damper system


Overall vehicle weight 702kg (including driver, excluding fuel).

Weight distribution between 45.5% and 46.5%


McLaren Applied Technologies. Including chassis control, power unit control, data acquisition, alternator, sensors, data analysis and telemetry


McLaren Applied Technologies dashboard

Lubricants & Fluids

Mobilith SHC™ 1500 Grease - High temperature drive-shaft tripod lubrication

Mobilith SHC™ 220 Grease - Low rolling resistance ceramic wheel bearing lubrication

Mobil SHC™ Hydraulic Oil - High pressure, high temperature hydraulic fluid used for chassis, transmission and power unit actuation

Brake system

Akebono brake calipers and master cylinders

Akebono 'brake by wire' rear brake control system

Carbon discs and pads


Power-assisted rack and pinion


Pirelli P Zero

Race wheels


Power Unit

Honda RA615H

Engineering comparisons


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