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Infiniti Q70

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The Infiniti Q70 is a large four-door sport sedan that, until 2014, was known as the Infiniti M. Now renamed but essentially the same car, it competes with the Audi A6, Jaguar XF, Lexus GS, Mercedes-Benz E-Class, and BMW 5-Series, and, in some edge cases, the Acura RLX, too. The company's new naming system is bound to generate confusion for a few years more. (Check out our story on Infiniti's... Read More Below »
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2015 Infiniti Q70

2015 Infiniti Q70

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The Infiniti Q70 is a large four-door sport sedan that, until 2014, was known as the Infiniti M. Now renamed but essentially the same car, it competes with the Audi A6, Jaguar XF, Lexus GS, Mercedes-Benz E-Class, and BMW 5-Series, and, in some edge cases, the Acura RLX, too. 

The company's new naming system is bound to generate confusion for a few years more. (Check out our story on Infiniti's naming strategy to find out more about these changes to the brand's lineup.)

See our 2015 Infiniti Q70 full review for more information, including photos, news, and driving impressions. You can also see the Q70 vs. its competitors.

As offered today, the Q70 emphasizes driving performance more than some of its competitors, while still maintaining a luxurious feel. Today's Q70 debuted as the third-generation Infiniti M at the 2009 Los Angeles Auto Show, and went on sale during Spring 2010.

The car was previewed by a stunning concept sedan, called the Infiniti Essence, that revealed styling themes and a design language for the Infiniti brand going forward. The flowing lines helped to boost the car's profile among the crowded set of traditional luxury competitors, which was then expanding with the addition of the similarly expressive Jaguar XF.

When this generation launched, it offered two engines. What was then called the M37 (now the Q70 3.7) packs a 3.7-liter V-6 and is pretty quick on its feet, although it is noisier than its pricier counterpart. For a little extra cash, the Q70 5.6 offers a 5.6-liter V-8 with a 0-to-60 time of about 5 seconds, which is very fleet for a standard series-production sedan not wearing a performance label. Although it's starting to get up there in terms of age, we've always enjoyed this model's smooth V-8 engine.

The styling, which was influenced heavily by Infiniti's Essence concept, has always looked handsome and is aging well itself. The big back seat, fine handling, communicative steering, and balanced ride also win the Q70 praise. As for the interior, fit and finish are dialed in, and the optional silver-hued wood trim is especially attractive.

All-wheel drive can be ordered on the V-6 (nee M37) and V-8 (nee M56) models of the Infiniti Q70. A Sport Package, available on both rear-wheel-drive and AWD models, adds 20-inch wheels and performance tires, upgraded brakes, and a number of appearance enhancements as well.

The Q70 Hybrid (which was introduced for 2012 as the M35h) pairs a performance-oriented single-motor hybrid system to a 3.5-liter V-6 engine. The combination puts out 360 hp, but gets an EPA combined rating that now sits at 31 mpg (29 mpg city, 34 mpg highway). (The rating was updated for 2014 when it was increased by 2 mpg.) Unlike many hybrids, this model manages to mix fuel efficiency with driving fun. Its steering and dynamics are almost as good as those of the rest of the range, and the boost in gas mileage--the V-8 with rear-wheel drive is rated at just 19 mpg combined--is a strong case for considering the hybrid Q70.

For 2015, the Q70 gets an extended-wheelbase version. This model, called Q70L, adds about five inches of rear legroom and seven inches to the overall length. All Q70s get a mild freshening this year as well, with revised lighting elements at both ends. The powertrains carry over, and include the hybrid, V-6, and V-8, although only the non-hybrid versions are available in the Q70L.

The Q70 represents the third generation of the mid-size Infiniti sedan, with earlier generations of the Infiniti M having launched in 2003 and 2006.

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