Infiniti has announced a series of changes to their 2013 model lineup. First and foremost, the EX and FX will be outfitted with a 3.7-liter V6 engine that produces 325 hp (242 kW / 329 PS).

Infiniti has announced a series of changes to their 2013 model lineup.

First and foremost, the EX and FX will be outfitted with a 3.7-liter V6 engine that produces 325 hp (242 kW / 329 PS) - an increase of 28 hp (21 kW / 28 PS) and 22 hp (16 kW / 22 PS), respectively, over the previous 3.5-liter engine. As part of the change, the models will be renamed the EX37 and FX37.

The G25 sedan will also be discontinued after December 2012. It featured a 2.5-liter V6 engine with 218 hp (163 kW / 221 PS) and 187 lb-ft (253 Nm) of torque.

There's also a variety of other minor changes, so check out the press release for full details.

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Infiniti G25 sedan dropped, EX & FX gain new engines