2018 · Midsize Car · Gas

2018 Infiniti Q50 MPG & fuel economy

The 2018 Infiniti Q50 is a midsize car offered in 6 EPA-rated configurations. The most efficient version returns 25 MPG combined (23 city / 30 highway) on premium gasoline. Across the lineup, combined ratings range from 22 to 25 MPG. That's down 1 MPG from the 2017 model. Among 74 midsize cars rated for 2018, it ranks 59th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel.

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Combined 25 MPG 23 MPG city · 30 MPG hwy

Driving range — not published for this model

Your fuel cost $2,370 15,000 mi/yr · $15.80 per 100 mi

Class rank, 2018 #59 of 74 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 2018 Infiniti Q50's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.8 km/L in the city and 12.8 km/L on the highway.

	MPG	km/L	L/100 km
City	23	9.8	10.2
Highway	30	12.8	7.8
Combined	25	10.6	9.4

How it ranks among 2018 Midsize Cars

Full class ranking →

1Hyundai Ioniq EV136 MPGe $675
2Tesla Model 3130 MPGe $699
3Toyota Prius Prime133 MPGe + 54 MPG $763
4Honda Clarity EV114 MPGe $796
5Nissan Leaf112 MPGe $810
···
59Infiniti Q5025 MPG $2,370
···
74Honda Clarity68 MPGe $7,941

2018 Q50Other midsize carsClass median: $1,921/yr

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

Q50 MPG across model years

Full history →

6 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 2.0L 4-cyl turbo · 7-speed automatic Q50	Gas	23 MPG	30 MPG	25 MPG	—	$2,370
AWD · 2.0L 4-cyl turbo · 7-speed automatic Q50 AWD	Gas	22 MPG	28 MPG	24 MPG	—	$2,469
RWD · 3.0L 6-cyl turbo · 7-speed automatic Q50	Gas	20 MPG	29 MPG	23 MPG	—	$2,576
AWD · 3.0L 6-cyl turbo · 7-speed automatic Q50 AWD	Gas	19 MPG	27 MPG	22 MPG	—	$2,693
RWD · 3.0L 6-cyl turbo · 7-speed automatic Q50 Red Sport	Gas	20 MPG	26 MPG	22 MPG	—	$2,693
AWD · 3.0L 6-cyl turbo · 7-speed automatic Q50 Red Sport AWD	Gas	19 MPG	26 MPG	22 MPG	—	$2,693

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 2.0L 4-cyl turbo
Transmission: 7-speed automatic
Drivetrain: RWD
Passenger volume: 102 cu ft
Cargo volume: 13 cu ft
Tailpipe CO₂: 349 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2018 Infiniti Q50 vs. rivals

vs Volvo S90 27 MPG · $2,194/yr S90 saves $176/yr vs Mercedes-Benz E-Class 25 MPG · $2,370/yr Same fuel cost vs Acura RLX 23 MPG · $2,576/yr Q50 saves $206/yr vs Lexus GS 26 MPG · $2,279/yr GS saves $91/yr vs Acura RLX Hybrid 28 MPG · $2,116/yr RLX Hybrid saves $254/yr vs Alfa Romeo Giulia 27 MPG · $2,194/yr Giulia saves $176/yr vs Lexus LS 23 MPG · $2,576/yr Q50 saves $206/yr vs Audi A7 23 MPG · $2,576/yr Q50 saves $206/yr vs Infiniti Q50 Hybrid 29 MPG · $2,043/yr Q50 Hybrid saves $327/yr

Compare the 2018 Q50

With any other car from any year, including other Q50 model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2018 Infiniti Q50 Hybrid (29 MPG)

Frequently asked questions

What is the gas mileage of the 2018 Infiniti Q50?

Up to 25 MPG combined (23 city / 30 highway); ratings range from 22 to 25 MPG depending on configuration.

What fuel does the 2018 Infiniti Q50 use?

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

What is the fuel average in km/L for the 2018 Infiniti Q50?