The two-model hardtop range kicks off at $75,900 for the GT Premium coupe, topping out at $83,500 for the S Premium. The Convertible will be offered in $87,900 S Premium form only.
Drive-away prices are also available, but vary depending on region, age and driving record. In Victoria; $84,970 for the GT P, and $92,950 for S P coupes. The convertible; $97,570.
The G Coupe's Bavarian rival, BMW's 335i, is priced at $112,100 before on-roads - meaning that, even in top-shelf S Premium trim, the Infiniti has plenty going for it.
Driving the G37 pair is the same 3.7 litre V6 plant that powers the Infiniti's platform mate, Nissan's impeccable 370Z. In G form, the engine produces 235kW and 360Nm of torque.
Unlike the Z however, the two-door G twins don't offer a manual transmission, sticking with a seven-speed automatic. It's no slouch however, offering paddle shifters, adaptive shift control and downshift rev matching.
With this combination, Infiniti promises a 0-100km/h time of 5.9 seconds in the coupe and 6.4 seconds in the 200kg heavier convertible.
Fuel consumption is listed at 10.5 l/100km for the coupe, and 11.4 l/100km for the convertible.
The rear-wheel-drive G37 cars also benefit from the Z's same front mid-ship layout, positioning the V6 further back in the engine bay to assist weight distribution.
The suspension package across all models includes a double wishbone setup at the front and a multi-link arrangement at the rear.
In S Premium Coupe form, the G37 also gets a more highly tuned sports suspension package, a viscous limited slip differential and 4-Wheel Active Steering.
The convertible features a folding metal roof rather than a fabric soft top, to improve noise suppression and eliminate wind rustle.
Standard equipment across both bodystyles includes auto dual-zone climate control, 10-way powered driver's seat and 8-way powered passenger seat (both heated), a seven-inch colour touchscreen, 30gb HDD satellite navigation, 10gb music storage, 11-speaker Bose audio (13 speakers in convertible).
There's also Bluetooth phone and music connectivity, iPod/USB control, remote keyless entry, and bi-xenon headlights with active front lighting and auto-levelling.
18-inch 10-spoke alloy wheels are standard for the coupe.
In S Premium form, the coupe adds sports seats with thigh support, and 14-way power driver's seat with lumbar support, along with a rear spoiler and a red S badge.
Both bodystyles in S Premium form also get 19-inch 5-triple-spoke alloy wheels, opposed piston sports brakes and a tyre pressure monitoring system.
A $2000 'Monaco Red' package is also available for the S Premium convertible, adding red leather upholstery and red-stained maple wood trim.
Standard safety features for all models include front and seat airbags, roof- and door-mounted curtain side airbags (convertible gets door-mounted only, but adds pop-up roll bars), along with adjustable front seatbelts with load limiters, front active head restraints, energy-dispersing body construction, Vehicle Security System and Vehicle Immobiliser System.
- GT Premium - $75,900 RRP ($84,970 drive-away Victoria)
- S Premium - $83,500 RRP ($92,950 drive-away Victoria)
- S Premium - $87,900 RRP ($97,570 drive-away Victoria)
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