2015 · Midsize Car · Gas

2015 Infiniti Q70 MPG & fuel economy

The 2015 Infiniti Q70 is a midsize car offered in 4 EPA-rated configurations. The most efficient version returns 21 MPG combined (18 city / 26 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 21 MPG. Efficiency is unchanged from the 2014 model. Among 69 midsize cars rated for 2015, it ranks 57th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel.

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Combined 21 MPG 18 MPG city · 26 MPG hwy

Driving range — not published for this model

Your fuel cost $2,821 15,000 mi/yr · $18.81 per 100 mi

Class rank, 2015 #57 of 69 Midsize Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2015 Infiniti Q70's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 11.1 km/L on the highway.

	MPG	km/L	L/100 km
City	18	7.7	13.1
Highway	26	11.1	9.0
Combined	21	8.9	11.2

How it ranks among 2015 Midsize Cars

Full class ranking →

1Nissan Leaf114 MPGe $799
2Toyota Prius Plug-in Hybrid95 MPGe + 50 MPG $887
3Toyota Prius48 MPG $969
4Honda Accord Hybrid47 MPG $989
5Mercedes-Benz B-Class Electric Drive84 MPGe $1,080
···
57Infiniti Q7021 MPG $2,821
···
69Ferrari FF13 MPG $4,558

2015 Q70Other midsize carsClass median: $1,850/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Q70 MPG across model years

Full history →

4 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 3.7L 6-cyl · 7-speed automatic Q70	Gas	18 MPG	26 MPG	21 MPG	—	$2,821
AWD · 3.7L 6-cyl · 7-speed automatic Q70 AWD	Gas	18 MPG	24 MPG	20 MPG	—	$2,962
RWD · 5.6L 8-cyl · 7-speed automatic Q70	Gas	16 MPG	24 MPG	19 MPG	—	$3,118
AWD · 5.6L 8-cyl · 7-speed automatic Q70 AWD	Gas	16 MPG	23 MPG	18 MPG	—	$3,292

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.7L 6-cyl
Transmission: 7-speed automatic
Drivetrain: RWD
Passenger volume: 104 cu ft
Cargo volume: 15 cu ft
Tailpipe CO₂: 429 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2015 Infiniti Q70 vs. rivals

vs Lexus LS Hybrid 20 MPG · $2,962/yr Q70 saves $141/yr vs Lexus LS 19 MPG · $3,118/yr Q70 saves $297/yr vs Audi S8 20 MPG · $2,962/yr Q70 saves $141/yr vs Acura RLX 23 MPG · $2,576/yr RLX saves $245/yr vs Audi S6 20 MPG · $2,962/yr Q70 saves $141/yr vs Maserati Ghibli 19 MPG · $3,118/yr Q70 saves $297/yr vs Audi A7 21 MPG · $2,821/yr Same fuel cost vs Audi S7 20 MPG · $2,962/yr Q70 saves $141/yr vs Infiniti Q70 Hybrid 31 MPG · $1,911/yr Q70 Hybrid saves $910/yr

Compare the 2015 Q70

With any other car from any year, including other Q70 model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2015 Infiniti Q70 Hybrid (31 MPG)

Frequently asked questions

What is the gas mileage of the 2015 Infiniti Q70?

Up to 21 MPG combined (18 city / 26 highway); ratings range from 18 to 21 MPG depending on configuration.

What fuel does the 2015 Infiniti Q70 use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2015 Infiniti Q70?