2009 INFINITI M45 Values

Basically unchanged for 2009, the Infiniti M45 midsize luxury sedan is equipped with a powerful, 4.5L V8 engine that provides up to 325 hp and 336 lb-ft of torque with rear-wheel drive, although all-wheel drive is also available. The five-speed automatic transmission has manual shift control and a sporty downshift rev-matching feature. As for fuel economy, the AWD trim gets 14 mpg city/20 mpg hwy, while the RWD trim attains 16 mpg city/21 mpg hwy. Designed more for luxury than sport, the M45 Base comes with climate-controlled seats, adaptive xenon headlights and wood/metal trim. The Infiniti M45 Sport trim is the same as the Base trim on the interior, except for wood-only trim, and features 19-inch wheels and tires, firm suspension and active rear-wheel steering. Options include adaptive cruise control, a Bose surround-sound DVD system, heated/reclining rear seats and a voice-activated navigation system. Standard safety features include stability control, antilock disc brakes with brake assist, stability control, front-seat side airbags, full-length side curtain airbags and active front-seat head restraints.

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2009 model year changes View changes +

For 2009, the M35 and M35x receive the 303-horsepower V6 from the second-generation G35 sedan in place of 2008's 273-horsepower units, and a new 7-speed automatic transmission is available on rear-wheel drive M35 models. Auto speed sensing locks, a Drive Sport (DS) shift mode for all transmissions, and Scratch Shield self-healing clearcoat finishes are now standard.

Competitive comparison View advantages +

Exclusive technology features; sharp handling; great ride; strong, smooth powertrains.

Special features for 2009 View special features +

Part sport sedan and part posh luxury car, the 2009 Infiniti M35 and M45 stand out from the market due to their available onboard technology features, including a sophisticated rear-wheel steering system and a lane-departure system that actually nudges the vehicle back into its lane. Both M models also stand out for having a quiet interior, a well-controlled ride, and strong, smooth powertrains.

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