Hennessey boosts Corvette Stingray to more than 500kW


American tuning firm Hennessey has revealed its latest creation, using the mid-engined Chevrolet Corvette Stingray coupe as a base.

Dubbed the Hennessey H700, this fettled Chevrolet Corvette has been modified to be more powerful than the high-revving Z06.

A new high-flow centrifugal supercharger, high-flow air induction system, air-to-water intercooler, and a high-flow cat-back sport exhaust help boost outputs of the Corvette Stingray’s mid-mounted 6.2-litre naturally-aspirated V8 engine to 528kW of power and 865Nm of torque.

Compared to the regular Corvette Stingray, this is a 44 per cent increase in power and a 37 per cent increase in torque.

It’s also 28kW and 241Nm more than the Corvette Z06 which is powered by a 5.5-litre naturally-aspirated V8 with a flat-plane crank.

In addition to the engine upgrades, Hennessey has differentiated the H700 by adding lightweight wheels measuring 19-inches at the front and 20-inches at the rear, a special livery, as well as Hennessey exterior badging.

There’s also a unique plaque on the engine bay with its serial number.

This Hennessey H700 package is priced from $US34,950 ($A50,180) and doesn’t include the Corvette Stingray coupe donor car, which currently costs $US65,895 ($A94,610) before on-road costs in the US.

Adding the costs of the vehicle and the Hennessey upgrades together means US buyers will be paying at least $US100,000 ($A143,577) for the fettled Corvette.

It’s unclear if this Hennessey H700 upgrade package will be available to Australian customers, but the local Corvette Stingray range currently starts at $160,000 before on-road costs for the 2LT coupe.

General Motor Special Vehicles (GMSV) Australia recently confirmed the first factory-built right-hand drive Chevrolet Corvette Z06 has hit Australia for promotional rounds, ahead of the start of customer deliveries.

The Z06 will the flagship to GMSV’s wider 2024 Corvette range, to be updated during the year with more personalisation options than the first batch offered.

Unlike the Silverado pickup, GM makes the Corvette in right-hand drive at the Bowling Green factory in the USA.

As far as specific Z06 arrival times go GMSV isn’t offering dates, other than to say “arrival times are yet to be confirmed and supply will be very restricted. We’ll be able to share more details at a later date”.

That generally means it’s a fair way away, likely the back end of 2023.

In terms of price, we have the USA as a guide. Over there the Corvette Z06 coupe in 3LT spec costs 55 per cent more than the Corvette Stingray 3LT.

Last year’s Corvette Stingray 3LT cost $180,000 in Australia, suggesting you won’t get much change from $300k for a Z06.

Beyond the Corvette Stingray and Z06, there’s the recently released Corvette E-Ray Hybrid V8 which has been confirmed for Australian sales, though likely not until 2024.

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