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2017 Infiniti Q70 Performance Review

Note: This performance review was created when the 2017 Infiniti Q70 was new.


Performance: 7.7

The 2017 Infiniti Q70 offers three powertrains: a fuel-efficient hybrid, a powerful V8, and a standard V6 that offers adequate power. There are four driving modes to choose from that let you match the Q70's performance to road conditions or your preferred driving style. Its handling is a mixed bag: Some reviewers state that it can have a rough ride at times, while others like its sportier driving ability.

  • "On twisting tarmac, the 2017 Q70's sporting roots are palpable. There's an athleticism in the Q70 that reminds us that the Nissan 370Z uses a related platform. The V8 hauls the mail, and the steering and brakes are pluses, too. Much is outdated about the Q70, but performance remains a strength." -- Edmunds
  • "The Q70 is a marvelous driving machine, striking the right balance between a comfortable ride and adept handling." -- Autotrader (2016)
  • "Infiniti left the Q70's powertrains alone for 2015 … focusing instead on making improvements to the sedan's throttle response, steering and suspension. But even with those enhancements, the Q70 still needs some polishing." -- Left Lane News (2015)

Acceleration and Power

Base power for the Infiniti Q70 comes from a 3.7-liter V6 engine that puts out 330 horsepower. While it provides a decent amount of power, it can’t run with turbo- or supercharged V6 engines found in competitors. The base Q70 gets an EPA-estimated 18 mpg in the city and 26 mpg on the highway, which is a bit low compared to other V6-powered rivals.

For more power, the Q70 offers a 5.6-liter V8 that produces 420 horsepower. It delivers strong acceleration, but that power comes with slightly worse fuel economy – 16 mpg in the city and 24 on the highway, which is on par with competing V8-powered sedans.

The Q70 also offers a hybrid model with a 3.5-liter V6 and an electric motor that combine to produce 360 horsepower. The Q70 Hybrid gets an estimated 29/34 mpg, which is average for the class and equals some rival hybrids like the Lexus GS Hybrid, although it doesn't match the fuel economy of some diesel options, like the Mercedes-Benz E250 BlueTec.

A smooth-shifting seven-speed automatic transmission is standard with any engine. The Q70 also lets you select from four driving modes: Standard, Eco, Sport, or Snow. These allow you to alter the throttle sensitivity and transmission timing to maximize performance or fuel efficiency.

  • "While fuel efficiency isn't its best attribute, the 5.6-liter V8 in the 2017 Infiniti Q70 has more than enough muscle to help you forget the cost of pure performance. Even the standard 3.7-liter V6 is quite good, offering immediate power for passing and merging. Those looking for diesel-like fuel economy might enjoy the hybrid, which offers better performance than the base V6 and impressive fuel-economy figures. The Q70's available magnesium paddle shifters allow manual gear change via the 7-speed automatic transmission, and the steering, springs and shocks are all tuned for aggressive driving without returning an overly harsh ride. Four driver-selectable modes -- Standard, Eco, Sport and Snow -- optimize the Infiniti's throttle sensitivity and transmission for the task at hand. However, the Eco Pedal system, which makes it harder to push down the accelerator in an attempt to encourage more efficient driving habits, is a bit odd." -- Kelley Blue Book
  • "The big V8 accelerates effortlessly at full throttle, although low-rpm power is soft compared to what rival turbocharged engines produce. The sprint to 60 mph took 5.2 seconds - unremarkable for 420 hp – but there's plenty of real-world punch. This is a fast car." -- Edmunds
  • "We drove all three models. The V8-powered 2016 Infiniti Q70 5.6 is the one for power junkies, but we also found the V6 and hybrid models to be more than sufficient in acceleration and passing." -- Autotrader (2016)

Handling and Braking

The 2017 Infiniti Q70 comes standard with rear-wheel drive; all-wheel drive is an option in nonhybrid models. Your choice of suspension affects how the Q70 rides, especially when equipped with the optional 20-inch wheels. On the downside, some reviewers find that the Q70 features vague steering and uninspiring handling.

  • "The Q70's available magnesium paddle shifters allow manual gear change via the 7-speed automatic transmission, and the steering, springs and shocks are all tuned for aggressive driving without returning an overly harsh ride." -- Kelley Blue Book
  • "The Q70 feels narrow and agile on winding roads, turning in eagerly and generally comporting itself like a smaller car. The base car has too much bounce in the suspension for real sporty driving, but a Sport package is available and would provide improvements." -- Edmunds
  • "Models equipped with the sport suspension communicate more road feel, naturally, but at no point did the one we drove feel harsh, and it was always grippy and composed. On twistier sections of road, both long- and short-wheelbase models exhibited sure-footedness, and the well-weighted steering presented a modicum of feel." -- Car and Driver (2015)

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