2016 Infiniti QX70 AWD 3.7L: Decoding the 18 MPG Reality

18 MPG combined. Let’s address it head-on. This isn’t a Prius, and it isn’t trying to be. The 2016 Infiniti QX70 AWD with its 3.7L V6 prioritizes style, a rewarding driving experience, and distinctive design over ultimate fuel sipping. It’s a machine for those who value a powerful engine note and a sculpted silhouette more than bragging rights at the gas pump. This is a vehicle bought with eyes wide open, where fuel economy takes a back seat to emotion.

City and highway performance

The EPA estimates the 2016 QX70 AWD at 16 MPG in the city and 22 MPG on the highway. The city figure, reflecting stop-and-go driving, is hardly surprising for a naturally aspirated V6 sending power to all four wheels. The highway number, while respectable on paper, often requires mindful driving to achieve. The QX70’s relatively short gearing and inherently sporty nature mean the driver must actively restrain their right foot to maintain peak efficiency at cruising speeds. The seven-speed automatic transmission, while generally smooth, can occasionally feel eager to downshift, impacting fuel consumption if left in “Drive” without using the manual shift mode.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2016 Infiniti QX70 AWD at $3,200. This figure is calculated based on driving 15,000 miles per year, using the national average fuel price at the time of testing. It’s a benchmark you can use for comparison, but remember your actual fuel costs will vary depending on your driving habits, location, and current fuel prices. If you spend most of your time in congested city traffic, expect to exceed this estimate. Conversely, if you primarily drive on open highways and practice efficient driving techniques, you might come in slightly under. Remember to check all Infiniti fuel economy data to get a sense of where Infiniti vehicles stand relative to each other.

Real-world expectations

While the EPA provides a standardized benchmark, real-world fuel economy often deviates. QX70 owners frequently report slightly lower figures than the official estimates. A combined average closer to 15-17 MPG is common, particularly for those with a heavier foot or frequent city commutes. Factors influencing real-world MPG include tire pressure, vehicle load, terrain, and most significantly, driving style. The QX70 encourages spirited driving, and indulging in its acceleration will undeniably impact fuel efficiency. Someone looking at QX70 MPG across all years might be disappointed in the lack of improvement, but the mission of this vehicle is clear.

How it compares

Compared to its peers, the 2016 QX70’s fuel economy isn’t exactly class-leading. The Acura MDX SH-AWD, despite offering three rows and similar performance, achieves a notably better 21 MPG combined. Similarly, the Lexus RX 350 AWD boasts 22 MPG combined while providing a more luxurious and comfortable ride. Even the BMW X5 xDrive35i, with its turbocharged inline-six, manages a combined 20 MPG. The QX70’s lower MPG reflects its focus on a more visceral and sporty driving experience than some of its more comfort-oriented competitors. The Porsche Macan S offers similar performance and a comparable driving experience to the QX70; however, comes in at a similar 19 MPG combined.

Tips to maximize efficiency

The easiest way to boost your QX70’s fuel economy is to adjust your driving style. Avoid aggressive acceleration and braking, and maintain a steady speed on the highway. The QX70’s responsive throttle is tempting, but gentle inputs make a significant difference over time.

Ensure your tires are properly inflated. Low tire pressure increases rolling resistance, forcing the engine to work harder and burning more fuel. Check your tire pressure regularly and inflate to the recommended levels listed on the driver’s side doorjamb.

Use cruise control on the highway whenever possible. Maintaining a consistent speed reduces unnecessary acceleration and deceleration, leading to improved fuel efficiency. The QX70’s adaptive cruise control system can be helpful in maintaining a safe and efficient following distance.

Consider using premium fuel, even though it isn’t strictly required. The QX70’s 3.7L V6 is designed to perform optimally with premium fuel. While standard fuel might not cause any immediate issues, using premium can potentially improve performance and fuel economy, especially under demanding driving conditions.