The IPL convertible joins the Infiniti Performance Line version of the G37 coupe. It uses the IPL coupe’s 343-horsepower, 3.7-liter V-6 and seven-speed automatic transmission and features the ...

Like other G37 models, the IPL convertible drives well. The V-6 is enthusiastic in noise and acceleration, the transmission is smooth, and the car is still quite nimble despite the added weight ...

2011 Infiniti IPL G Coupe – Click above for high-res image gallery. Infiniti announced the launch of its own in-house tuning company in August of 2010. The IPL, or Infiniti Performance Line ...

Seeing as Infiniti used last year’s Pebble Beach Concours d’Elegance to roll out its performance-focused branding and the new 2011 G37 IPL Coupe, perhaps it’s fitting that the company chose ...

Infiniti's svelte 2-door G37 Convertible carries on into 2013 looking much like its predecessor, though the lineup now includes a new IPL (Infiniti Performance Line) trim level offering a more ...

That’s quite the leap over the $48,095 starting price of the regular 2013 Infiniti G37 Convertible on which the IPL is based, though there are numerous upgrades that warrant the premium. ...

The IPL acronym associated with the 2013 Infiniti G37 Convertible stands for Infiniti Performance Line. And it's the second model in the Japanese automaker's family to sport this badge. The first ...

DIGITAL EDITOR ANDREW STOY: Beneath all of the IPL (Infiniti Performance Line) body cladding and décor, there's an Infiniti G37 coupe with a six-speed stick. And that's a pretty damn good base ...

2011 Infiniti IPL G Coupe. No splash here: ... Based as it is on the fine-driving G37 coupe, the IPL’s upgrades make it hands-down the best G coupe Infiniti has ever offered in the U.S.

With a freer-flowing exhaust and other engine modifications, the IPL G Coupe puts out 338 horsepower, up 18 hp from the standard G37 Coupe, and 276 pound-feet of torque.

The IPL acronym associated with the 2013 Infiniti G37 Convertible stands for Infiniti Performance Line. And it's the second model in the Japanese automaker's family to sport this badge. The first ...

The IPL’s 18 extra hp give it only the slimmest straight-line edge, with the car posting a 0-to-60-mph time of 5.4 seconds, actually 0.1 second behind the best time we’ve seen from a G37S coupe.