Fuel Economy / MPG » 7
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GREEN | 7 out of 10
Q50: 20 mpg city, 30 highway
Q50 AWD: 19/27 mpg
Q50 Hybrid: 29/36 mpg
Q50 Hybrid AWD: 28/35 mpg
The 2014 Infiniti Q50 sticks with an all-V-6 lineup. And unlike most other compact-to-mid-size luxury sport sedans today, there’s no turbo four or diesel on offer for Americans.
But that’s only part of the story. Infiniti’s own performance-oriented hybrid system, which was introduced in the larger M sport sedan (as the M35 a couple of years ago) is now available in the Q50.
Fuel economy ratings for the Q50 are quite significantly improved for the base car, though, thanks to a number of powertrain improvements—including a ‘Standard’ mode throttle calibration that isn’t quite as jumpy as that in last year’s G Sedan, combined with a taller final-drive ratio that brings cruising-speed revs quite a bit lower than before—now less than 2,500 rpm at 75 mph in top gear.
Included with the Technology Package is a so-called Eco Pedal that will actually press back more firmly to encourage you drive more economically.
Opt for the Q50 Hybrid, for a few thousand dollars extra, and you'll get performance that's just as satisfying—if not more so—and with better mileage. With its 3.5-liter V-6 and 50-kW electric motor system, the Hybrid earns 29 mpg city, 36 highway with rear-wheel drive or 28/35 with all-wheel drive.
Infiniti catches up to par for the segment; and the extra-cost Hybrid provides an impressive 31 mpg Combined while preserving its sport-sedan credentials.