The Infiniti G37 comes in a number of versions: a sedan, coupe, and for 2010 a convertible. The car can also be had as the G37 S, meaning the Sport trim.
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Infiniti has done an excellent job with its styling, using a consistent design language across its models. The G and M cars in particular are marked by high front fenders and a grille neatly inset in the front of the car with little ornamentation around it.
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Power for the G37 S Convertible comes from a 3.7-liter V-6. This engine uses variable valve timing to achieve 325 horsepower and 267 pound-feet of torque. Fuel economy struggles to get over 20 mpg.
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The convertible top, a retractable hard top, is not the best feature on this car. Although it looks similar to the coupe roofline, it bubbles up a little too high at the front, and has some rough kinks toward the rear.
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The roof seemed to take a long time to complete its fully automatic up or down operation. And the roof operation button does not automatically restore the windows to an up position, leaving them open.
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Although somewhat narrow, rear seat room is not too cramped in the G37 S Convertible. We fit two adults in the rear seat for an hour-long drive, and heard no complaints.
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As the Sport version of the G37 has a more rigid suspension than the standard version, body roll in corners is nearly eliminated, yet the ride is not very refined, becoming rough on city pavement.
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The interior of the G37 does not feel particularly luxurious, using a design that is more spare, similar to what we have seen in BMW cars.
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The G37 has good steering feel, but it can get a little loose in hard cornering. We enjoyed seeing the traction control light flicker on frequently.
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The Sport version of the G37 comes standard with a six-speed manual transmission. The short shifter is nice, but the gate is a little sloppy. Gear ratios are close, giving a lot of choice when driving hard.
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We were blown away by the fine Bose audio system in this car, which uses 13 speakers, including two in each headrest. The detail was very clear, with intricate sounds coming through on all frequencies.
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The car's voice command system includes the ability to dial contacts by name.
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The navigation system is hard-drive-based, with both 2D and 3D maps that show rendered buildings.
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The navigation system includes traffic information, using it to automatically reroute around jams.
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Weather information is also available in the infotainment system.