30 MPG combined is respectable for the 2018 Infiniti Q70 Hybrid, but that’s not the complete picture. This isn’t a Prius focused only on ultimate efficiency; it’s a luxury sedan that prioritizes a smooth, powerful driving experience. Lower fuel costs are a secondary, but still important, consideration. The Q70 Hybrid appeals to buyers who want a taste of both worlds: the quiet refinement and occasional electric-only operation of a hybrid, along with the power of a V6 when needed.

City and highway performance

The Q70 Hybrid excels in city driving, achieving an EPA-estimated 28 MPG. The electric motor’s instant torque allows for brisk acceleration from a standstill, and the regenerative braking system helps recapture energy, boosting efficiency in stop-and-go traffic. The transition between electric and gasoline power is generally smooth, which adds to a relaxed driving experience. On the highway, the Q70 Hybrid is rated at 33 MPG. While this figure is good, it’s less impressive than the city rating, because the gasoline engine is used more at higher speeds. The Q70 remains a comfortable and composed cruiser, however, easily swallowing up miles.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2018 Infiniti Q70 Hybrid is $1,950. This is based on driving 15,000 miles per year, with a mix of city and highway driving conditions, and using the national average fuel price at the time of calculation. Your actual fuel costs may vary depending on your driving habits, local fuel prices, and the type of fuel you use (premium fuel is recommended for the Q70 Hybrid).

If you primarily drive in the city, or exceed 15,000 miles annually, you can expect to pay more than $1,950 per year. Fewer miles and more highway driving can reduce your fuel expenses.

Real-world expectations

While the EPA estimates provide a useful baseline, real-world fuel economy can vary. Some drivers have reported achieving figures close to the EPA estimates, particularly in mixed driving conditions. However, aggressive driving, heavy acceleration, and prolonged idling can significantly reduce fuel economy. Careful driving and maximizing the use of electric power can potentially improve upon the EPA estimates.

Owners who actively try to drive efficiently, paying attention to the power gauges and minimizing hard acceleration, often find their fuel economy exceeding 30 MPG in combined driving. Visit Q70 MPG across all years to see older models.

How it compares

The 2018 Q70 Hybrid competes in a segment where fuel economy varies considerably. The Lexus GS 450h, another hybrid luxury sedan, offers similar performance and fuel economy, with an EPA rating of 29 MPG combined. The Acura RLX Hybrid, with its advanced three-motor hybrid system, has a slightly better combined rating of 29 MPG. The Q70 Hybrid offers a clear advantage over non-hybrid competitors. The BMW 540i, with its turbocharged inline-six engine, achieves around 25 MPG combined, for example. The Mercedes-Benz E400, with its turbocharged V6, achieves similar figures. Buyers considering the Q70 Hybrid often weigh its fuel economy benefits against the performance and prestige of these non-hybrid luxury sedans. You can see all Infiniti fuel economy data.

Tips to maximize efficiency

Take advantage of the Q70 Hybrid’s Eco mode, which adjusts throttle response and other systems to prioritize fuel efficiency. While performance will be slightly reduced, the savings can be noticeable, especially in city driving. Regular maintenance is critical for optimal fuel economy. Make sure that your tires are properly inflated, and keep up with scheduled maintenance items such as oil changes and air filter replacements. A well-maintained vehicle runs more efficiently.

Anticipate traffic conditions and avoid unnecessary hard acceleration or braking. The Q70 Hybrid’s regenerative braking system can recapture energy during deceleration, but smooth, gradual braking is more efficient than sudden stops. When possible, use cruise control on the highway to maintain a consistent speed. This can help improve fuel economy, especially on long trips where variations in speed can consume additional fuel.

Minimize idling time. Idling consumes fuel without moving the car, so avoid unnecessary idling, especially in cold weather. If you’re waiting for someone or stopped for an extended period, turn off the engine to save fuel. Keep the vehicle’s weight down because excess cargo adds to the vehicle’s weight, which reduces fuel economy. Remove any unnecessary items from the trunk and passenger compartment to improve efficiency.