Sunday, February 28, 2010

Infiniti G37 Coupe

Infiniti G37 Coupe


The Infiniti G37 Coupé offers dramatic performance in a thoroughly seductive shape. Although sharing a great deal of hardware with the Infiniti G37 Sedan, the Coupé is designed to appeal to different buyer.

The dynamic styling allied to its obvious performance potential will appeal to successful individuals who appreciate beautiful design and enjoy driving. They aren't prone to following the herd… and they might not even currently drive a coupé.

When he does step into a Infiniti G37 Coupé, he'll find the exterior styling is matched by a refined interior. And when he starts the engine, he will find a true performance car that delivers what it promises. Top speed is limited at 250 km/h (155 mph), while 0-100 km/h takes just 5.8 seconds (on M/T version).

There are three versions of the Infiniti G37 Coupé on offer - the well equipped G37 Coupé, the more luxurious GT version with leather upholstery, and the sport-oriented S version with 4-Wheel Active Steer system, a Viscous Limited Slip Differential (VLSD) and sports suspension settings among other changes.
Infiniti G37 Coupe

Exterior styling
A long bonnet, short overhangs and dramatically raked roof line give the Infiniti G37 Coupé a silhouette that sets it apart from rival products based more heavily on their saloon counterparts.

Designed as a modern sports car without compromise, the Infiniti G37 Coupé has elegant and sophisticated proportions allied to an expressive, curving shoulder-line to give a feeling of movement even when stationary. The shorter and lower roofline also helps accentuate the Coupé's low centre of gravity and gives a clear indication that this is essentially a rear-wheel-drive car.

Interior environment
The Infiniti G37 Coupé provides a sporting cockpit environment for the driver and a luxuriously open space for its passengers. The dashboard and centre console, complete with seven-inch colour display, adopts Infiniti design DNA with a 'double wave' upper section linked to a central vertical spine for a feeling of solidity. Textured aluminium trim inserts can be found on the centre console, the instrument binnacle and the door panels.

The Engine and powertrain
Infiniti's latest 3.7-litre V6 is a potent, high revving, 24-valve twin cam unit producing 235 kW at 7,000 rpm (320 PS) and an impressive 360 Nm of torque at 5,200 rpm.
Constructed from lightweight aluminium, the engine features a two-part bed-plate construction which is more rigid than a single piece casting for reduced vibration levels. It also permits sustained use at higher revs: the V6 is red-lined at 7,500rpm.

The VQ37 unit features VVEL (Variable Valve Event and Lift) technology to optimise efficiency and, in turn, the balance between power, response, fuel efficiency and emissions.
Precise mapping of the ECU, meanwhile, helps the engine provide a progressive 'swell' of power and torque, providing a 'building wave' of acceleration rather than a peaky power delivery.

It delivers a top speed of 250 km/h (155 mph) with 0-100 km/h (0-62 mph) taking 5.8 seconds (on M/T version). Fuel economy over the combined cycle is 10.5 l/100kms (26.9 mpg) while the Coupé has a CO2 figure of 249 g/km. The engine is fully compliant with Euro 5 emission level requirements.

As well as a smooth shifting six-speed manual transmission, the Infiniti G37 Coupé is available with a new seven-speed automatic option with Adaptive Shift Control (ASC) and magnesium paddle shifters mounted behind the steering wheel.

Chassis and driving dynamics

All versions of Infiniti G37 Coupé come with Electronic Stability Program (ESP), while the power-assisted four-wheel vented disc brakes have a four-channel, four-sensor Anti-lock Braking System (ABS), Electronic Brake force Distribution (EBD) and Brake Assist (BA) as standard.

The power steering system is a vehicle-speed-sensing type with a twin-orifice structure, which provides optimum steering effort at both high and low vehicle speeds.
The sports oriented G37S version has a number of chassis changes in keeping with its sharper profile. The principal enhancement is the addition of the 4-Wheel Active Steer (4WAS) system which helps improve handling performance still further by varying the front steering ratio and adjusting the geometry of the rear suspension according to steering input and vehicle speed.
Other standard features of the G37S include a Viscous Limited Slip Differential, recalibrated suspension settings and an enhanced braking system with four piston front brakes and two piston rears.

Standard and optional equipment
The Infiniti G37 Coupé has a full complement of user friendly - and above all, useful - standard equipment, plus options for those who want to make even more of a statement.
Standard features include the intelligent I-key with smart access and push button starter, a six-disc, seven-speaker audio system with an RCA AUX-in jack socket for MP3 players. Bluetooth phone connectivity and cruise control with speed limiter can all be operated via switches on the leather-trimmed multi-function steering wheel.

Other standard features include power seats (with eight way adjustment on the driver's side and four way for the passenger), aluminium pedals and footrest, auto-dimming rear view mirror, front and rear parking sensors, automatic lights and wipers, 18-inch alloy wheels, six airbags and integrated fog lamps. For the perfect driving position, the binnacle is attached not to the dashboard but to the steering column itself, and moves with the wheel when the latter is adjusted for reach and rake.

In addition to its chassis and dynamic changes, the G37S adds a sports seat with manual thigh extension for the driver. The seats themselves are upholstered with leather as well as heated and have 14-way power adjustment (driver) and 8-way power adjustment (passenger). There's a tyre pressure monitoring system as standard, plus 19-inch alloy sports wheels.
Other options include Intelligent Cruise Control (ICC) which uses brake, throttle and laser sensors to help maintain a set distance between the Infiniti G37 Coupé and the car in front. In automatic transmission versions, the software reduces driver's workload even more allowing ICC to work from 0km/h to 180 km/h thanks to the "Full Speed Range" feature. An integral part of the ICC option for A/T models, the Intelligent Brake Assist system analyses closing speeds to a vehicle ahead helping reduce damage caused by a rear-end collision. If the driver must take immediate action to avoid a collision, the system sounds a warning to prompt driver action or can even activate the brakes to decelerate the vehicle.

A custom-engineered Bose® sound system sets a new standard for stereo performance in a car. Its 11 high-performance speakers provide crisp musical detail, with impactful low notes bringing G Coupé owners closer to the power and emotion of a live concert performance. To achieve this, Bose® engineers used proprietary digital signal processing and multiple channels of custom equalization to help tune the sound specifically for the vehicle. The Bose® sound system is available as part of a Multimedia pack with also incorporates a DVD navigation system with voice recognition and a rear-view parking camera. Final options include an electric glass sunroof, metallic paint and a temporary spare wheel (replacing standard tyre repair kit), while a subtle African Rosewood trim interior is available on the G37 GT.

The Safety
High levels of passive safety were a priority at the design stage. As a result, the Infiniti G37 Coupé has a full complement of six airbags, with dual-stage front airbags, seat belt sensors and passenger seat occupancy sensor. The front seats incorporate hip and thorax bags, while there are front-to-rear curtain airbags for protection in a side impact.

The standard is a pop-up bonnet, designed to offer greater crash protection for pedestrians. In the event of a collision, a small pyrotechnic charge raises the trailing edge of the bonnet close the lower edge of the windscreen. This creates a larger buffer between the bonnet and the top of the engine, providing a more yielding surface which in turn helps to reduce potential injuries.

The Quality
Infiniti is synonymous with vehicle quality, and that's something that doesn't happen by accident.
On the Tochigi production line in Japan every vehicle - not just every tenth - is laser scanned to ensure that panel gaps are within prescribed limits.

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