Features and specs for the 2012 INFINITI G Sedan G37 Journey including fuel economy, transmission, warranty, engine type, cylinders, drive train and more. The G37 's Semi-automatic transmission offers the best driving experience, Semi-automatic transmission vs Manual transmission The G37 has 1 more gear, which can improve performance, 7 vs 6 The G37 needs around 10 % less space to turn, 36.1 ft vs 38.1 ft The most accurate Infiniti G37 MPG estimates based on real world results of 10.7 million miles driven in 496 Infiniti G37s See the 2011 Infiniti G37 Gas Mileage figures for both the city and highway. There is Fuel Economy data for each trim as well as a description of the drivetrain. Instead of being equal to a manual shift car in terms of gas mileage, a driver with a CVT can actually achieve better gas mileage than even a skilled manual shift driver. Case in point is the new Subaru Outback. The gas mileage figures for the 4-cylinder model are: Manual trans-19 mpg city/27 mpg highway CVT-22 mpg city/29 mpg highway Buyers of the G37 have a choice between the 7-speed automatic and a close-ratio 6-speed manual transmission offered on the Sport trim. Fuel economy figures of 19 mpg city and 27 mpg highway are slightly below what BMW and Audi achieve, and fall to 18/25 mpg when AWD is added to the mix. compare the 2009 Acura TSX with 2009 INFINITI G37 Sedan and 2009 Subaru Legacy, side by side. See rating, reviews, features, prices, specifications and pictures Nissan 350Z vs INFINITI G37: compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs. Compare against other cars. Chevrolet Camaro vs INFINITI G37: compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs. Compare against other cars. TCC's Bottom Line: The 2012 Honda Accord Coupe : A sexy, lavishly equipped luxury car, the 2012 Infiniti G37 Coupe has much of the vaunted performance feel of its primary German target. The Infiniti G