The 2023 Corvette Z06 offers impressive mid-engine performance, with figures and specs that surpass several high-priced sports cars, as GM Authority covered previously. However, while the 2023 Corvette Z06 offers a ton of speed for a relatively low entry fee, GM Authority has learned that GM also expects the new Z06 to tack on a substantial gas guzzler tax.
According to GM Authority sources, General Motors expects the 2023 Corvette Z06 to include a $2,600 gas guzzler tax. At the moment, official EPA fuel economy estimates for the 2023 Corvette Z06 have yet to be released, but the $2,600 tax would land the go-faster Vette between 17.5 and 18.5 combined mpg.
Unsurprisingly, the available carbon fiber aero packages up that gas guzzler tax even further. For those who may not be aware, the 2023 Corvette Z06 is available with a range of carbon fiber aero upgrades, including a front splitter, front dive planes, and an enormous rear wing, the combination of which produces upwards of 734 pounds of downforce at 186 mph.
While great for cornering speeds and braking, downforce also creates drag, which means lower overall mpg ratings on the road. As such, according to GM Authority sources, the 2023 Corvette Z06 includes a $3,000 gas guzzler tax when equipped with either the T0G Carbon Aero package or T0F Carbon Aero package (T0G and T0F refer to the related package RPO codes). At $3,000, we can estimate that the 2023 Corvette Z06 with the optional aero returns between 16.5 and 17.5 combined mpg.
The T0G Carbon Aero package in visible carbon fiber includes the high-wing, dive planes, and visible carbon ground effects (CFV), while the T0F Carbon Aero package in a Carbon Flash-painted finish includes the high-wing, dive planes, and Carbon Flash-painted carbon ground effects. Both packages require the optional carbon ceramic brakes (RPO code J57).
Additionally, opting for the Z07 Performance Package requires selecting either the Carbon Flash-painted carbon fiber ground effects (RPO code CFZ) and Carbon Flash-painted carbon fiber high wing rear spoiler (RPO code T0F), or the visible carbon fiber ground effects (RPO code CFV) and visible carbon fiber high wing rear spoiler (RPO code T0G). With that in mind, the Z07 Package also means tacking on the slightly higher $3,000 gas guzzler tax.
As a reminder, the 2023 Corvette Z06 is motivated by the naturally aspirated 5.5L V8 LT6 gasoline engine, rated at 670 horsepower and 470 pound-feet of torque. Under the skin is the GM Y2 platform, while production will take place at the GM Bowling Green plant in Kentucky.