The second-generation model continues the formula of its predecessor, borrowing much of the sheet metal and underpinnings from the Camry.
The glasshouse, doors and rear quarter panels are shared between the two cars, but the 2012 Aurion gets its own unique face and rear.
Other styling features unique to the Aurion include the front quarter panels, bonnet and headlights, along with a range of new grille and bumper designs.
The new Australian-built Aurion kicks off at $36,490, marking a $500 increase over the entry-level variant in the outgoing line-up.
Power for the new Aurion is provided by a revised version of the existing 3.5 litre quad-cam V6, delivering the same 200kW and 336Nm of torque as the outgoing model.
Fuel consumption for the 3.5 litre engine has improved however, dropping from 9.9 l/100km to 9.3 l/100km - a saving of 6.1 percent.
The new fuel figures come from weight-saving upgrades and re-specified engine oil viscosity, along with a new air-conditioning compressor, and an overall weight reduction of at least 55kg depending on the variant.
Carbon emissions have also been reduced, falling by 7.7 percent to 215g/km.
As before, the 3.5 litre engine is mated to Toyota's U660E electronically-controlled six-speed sequential-shift automatic transmission, with Sportivo variants adding steering-mounted paddle shifters.
Toyota says the Aurion offers significantly improved noise, vibration and harshness levels, thanks in part to the use of high-tensile steel and increased body rigidity, providing a more stable suspension platform.
Ride and handling has also been improved, the carmaker says, through extensive local testing and development for the Australian-built sedan.
Toyota Technical Center Australia developed the final Aurion calibration, building on the work of Toyota test centres around the world.
The suspension package includes MacPherson struts up front, and a dual-link system at the rear. Braking is managed by 296x28mm ventilated discs at the front, and 286x10mm solid discs up back.
There are five variants in the new Aurion range, starting with the AT-X and ranging through to the Prodigy and the top-spec Presara, along with the AT-X based Sportivo SX6 and Sportivo ZR6.
All variants feature dual-zone climate control, a reversing camera, multi-information display, USB and iPod connectivity, Optitron display instruments, five alloy wheels, 60/40 split-fold seats, acoustic windscreen, dual exhaust tips, chrome rear garnish and rocker moulding, and integrated side mirrors.
Almost all of these features are enhancements over the outgoing AT-X entry model, and it also features a power-adjusted driver's seat. The AT-X can also be optioned with a leather-accented interior and 17-inch Sport alloy wheels.
The Prodigy adds a premium steering wheel, leather-accented interior with premium door trim, electro-chromatic interior mirror, electric rear sunshade, driver's seat and mirror memory, power-operated front passenger's seat and smart entry/smart start.
It is fitted with 17-inch alloys, rain-sensing wipers, exterior mirror dipping in reverse gear, front foglamps, chrome door handles, front and rear clearance sonar, and metallic/mica paint as standard. A moonroof is available as an option at additional cost on the Prodigy model.
The new Presara adds JBL premium audio with seven-inch screen display, digital radio, satellite navigation with live traffic updates and back-guide monitor.
The top-spec model also has adaptive HID headlights, automatic high beam, blind spot monitor, moonroof and additional woodgrain-look inserts in the instrument panel, door trims and gear shifter area.
The new Sportivo SX6 carries the AT-X's features, but adds sports suspension, 17-inch sport alloy wheels, front and rear spoilers, sports diffuser, front fog lamps and metallic/mica paint.
Inside, the SX6 adds paddle shifters, sports pedals, three-spoke sports steering wheel, sports front seats, power front passenger's seat, sports Optitron combination meter and smart entry/smart start.
The high-grade Sportivo ZR6 model adds automatic high beam, rain-sensing windscreen wipers, HID headlamps with AFS, blind spot monitoring, front and rear clearance sonar, and exterior mirrors dipping in reverse.
It also adds sports leather-accented interior with premium door trims, driver's seat memory including exterior mirror settings, JBL premium audio with seven-inch display, digital radio, satellite navigation with live traffic updates, electro-chromatic interior mirror and back-guide monitor.
A moonroof is available as an option on both Sportivo models.
Standard safety features include seven airbags, seatbelt warnings on all five seats, vehicle stability control and traction control.
Length - 2080mm
Width - 1525mm
Height - 1210mm (1145 with optional moonroof)
Front head room - 986mm (962mm with optional moonroof)
Front shoulder room - 1473mm
Front leg room - 1057mm
Rear head room - 967mm (964mm with optional moonroof)
Rear shoulder room - 1439mm
Rear leg room - 989mm
Luggage volume - 515 litres
- 2012 Aurion AT-X - $36,490
- 2012 Aurion Prodigy - $41,490
- 2012 Aurion Presara - $49,990
- 2012 Aurion Sportivo SX6 - $40,990
- 2012 Aurion Sportivo ZR6 - $47,990
Note: all prices are Manufacturer's List Price and exclude on-road costs.
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