Under the concept's white, blue and black body is a plug-in hybrid drivetrain that develops a total of 295kW of power and 670Nm of torque. Beneath the bonnet there's a 1.6-litre turbocharged direct-injection engine borrowed from the Polo R WRC. The 1.6-litre engine churns out 220kW of power and 400Nm.
This engine is complemented by two electric motors. One 85kW/330Nm unit is housed inside the car's six-speed dual-clutch transmission and helps to power the front wheels. At the back is a second electric motor delivering a maximum of 85kW/270Nm to the rear wheels. There are three selectable drivetrain modes: E-Mode, Hybrid and GTE-Mode.
With all engines working in concert in GTE-Mode, the GTE Sport is capable of catapulting from 0-100km/h in 4.3 seconds, hitting the 200km/h mark in 15.9 seconds and topping out at a V-max of 280km/h.
In all-electric E-mode, the Golf GTE Sport is capable of driving up to 50 kilometres without emitting anything from its tailpipe. Under EU regulations, its overall fuel economy rating is said to be 2L/100km.
Visually, the GTE Sport resembles concepts from previous years' Worthersee festivals, such as the GTI Roadster. As with many of these Golf-based concepts, the Golf GTE Sport features thin LED headlights, a broad stance, flared wheel arches, a dual-level C-pillar, and a body constructed out of carbonfibre.
The concept car rides on 20-inch alloy wheels fitted with 235mm wide rubber up front and 275mm wide tyres at the rear.
The GTE Sport's cabin is split, both visually and physically, by a high carbonfibre tunnel that runs down the centre of passenger cell. Ahead of the driver is an aircraft-style steering wheel and a three-layer instrument display.
To aid the driver and passenger with their entry or exit from the vehicle, the GTE Sport is fitted with gull wing-style doors.