The 12 Most Fuel-Efficient 2023 4×4 SUVs. 12. Infiniti QX80 (15 MPG) The QX80 is Infiniti’s luxury off-road brute. This big, three-row SUV comes with a 5.6L V8 that makes 400 horsepower and 413 In the 2011 model year, Ford’s 6.2L V8 replaced the 6.8-liter Triton V10 and 5.4-liter Triton V8 engines in Ford’s Super Duty pickups. An upgraded 6.2-liter V8 engine came out in 2017 that can produce 385 hp (287.09 kW) and 430 lb.-ft. (583 N-m) of torque. With its lightweight design, the engine provides excellent fuel economy and performance.

Should a customer express concern about poor driveability and high fuel consumption, the probable cause is the calibration of the Transmission Control Module (TCM) and the Powertrain Control Module (PCM).

The first thing I did to improve mileage was to pump up the tires to 37 psi which is 2 psi above the recommended pressure. For every 10*F temperature drop (5*C) the pressure goes down about 1 psi which increases gas consumption about 3% give or take. The 2 psi boost helps with cold AM starts. We can help you calculate and track your fuel economy. MPG Estimates from Others; 2013 Ford F150 Pickup 2WD FFV 8 cyl, 5.0 L, Automatic 6-spd . 396 20 478 378 160 95 348 350

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