Article · Wikipedia archive · Last revised Jul 24, 2026

Quantum GP700

The Quantum GP700 is a custom track-only open-wheel sports car, designed, developed and built by Australian Jeff David, produced between 2016 and 2019. The car was manufactured and designed through a joint collaboration with a number of institutes and companies, including Keetch3D, Motec, Autronic, Beninca Motors, Holinger Engineering, University of Melbourne Mechanical Engineering, RMIT Mechanical Engineering, Deakin University Mechanical Engineering, and Western Smash repairs. It has a 1:1 power-to-weight ratio, having an engine which produces 700 hp (520 kW), and weighing only 700 kg (1,500 lb).

Last revised
Jul 24, 2026
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≈ 1 min
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Wikipedia ↗
Quantum GP70012
Overview
Production2016–2019
DesignerJeff David
Body and chassis
ClassOpen-wheel sports car
LayoutRMR
Powertrain
Engine2.7 L (160 cu in) DOHC inline-4 turbocharged mid-engined
TransmissionHolinger 6-speed sequential semi-automatic
Dimensions
Wheelbase2,650 mm (104.3 in)
Length4,120 mm (162.2 in)
Width1,740 mm (68.5 in)
Height1,300 mm (51.2 in)
Curb weight700 kg (1,543 lb)

The Quantum GP700 is a custom track-only open-wheel sports car, designed, developed and built by Australian Jeff David, produced between 2016 and 2019. The car was manufactured and designed through a joint collaboration with a number of institutes and companies, including Keetch3D, Motec, Autronic, Beninca Motors, Holinger Engineering, University of Melbourne Mechanical Engineering, RMIT Mechanical Engineering, Deakin University Mechanical Engineering, and Western Smash repairs.345 It has a 1:1 power-to-weight ratio, having an engine which produces 700 hp (520 kW), and weighing only 700 kg (1,500 lb).67

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