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2017 FIAT 500X Trekking AWD
Shown: 2017 FIAT 500X Trekking AWD. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2018
  • Gas
  • Small SUVs

2016-2018 Fiat 500 X MPG & Fuel Cost

3 model years · 24–28 MPG combined

28 MPG
Combined
25 MPG
City
33 MPG
Highway
Annual fuel cost · 500 X 1.4L 4-cyl turbo FWD
$2,880

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 6 of 10 small SUV configurations, MY2018. Ranked against all rated configurations, not sales-weighted.

2016-2018 Fiat 500 X at a glance

The 2016-2018 Fiat 500 X covers 3 model years in the EPA database (9 configurations in all), rated 24–28 MPG combined. The newest model year, 2018, costs about $2,880 a year to fuel for its most efficient version, the 500 X 1.4L 4-cyl turbo FWD (28 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2017 and 2018.

2016-2018 Fiat 500 X by model year

2016-2018 Fiat 500 X: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2018 Gas 24–28 MPG $2,610–$2,880 Ratings changed
2017 Gas 24–28 MPG $2,600–$2,880 Ratings changed
2016 Gas 24–28 MPG $2,600–$2,880 First year

What the 2018 500 X 1.4L 4-cyl turbo FWD costs to drive

Per month

$240

$2,880 a year ÷ 12

Per 25 miles

$4.80

Per 100 miles

$19.20

Five years

$14,400

5 × the yearly cost, prices held at today's level

vs the small SUV median

$80less a year

Class median $2,960 a year, MY2018

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2018 Fiat 500 X MPG

Versus 2017: The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,880.

Gas · 1.4L, 2.4L
Combined
24–28 MPG
Per year
$2,610–$2,880

Gas configurations (3)

2018 Fiat 500 X gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 X 1.4L 4-cyl turbo (Most efficient) 1.4L 4-cyl turbo FWD 25 33 28 $2,880
500 X 2.4L 4-cyl FWD 2.4L 4-cyl FWD 22 30 25 $2,610
500 X 2.4L 4-cyl AWD 2.4L 4-cyl AWD 21 29 24 $2,690

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2017 Fiat 500 X MPG

24–28 MPG · $2,600–$2,880/yr

Versus 2016: The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,880.

Gas · 1.4L, 2.4L
Combined
24–28 MPG
Per year
$2,600–$2,880

Gas configurations (3)

2017 Fiat 500 X gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 X 1.4L 4-cyl turbo (Most efficient) 1.4L 4-cyl turbo FWD 25 33 28 $2,880
500 X 2.4L 4-cyl FWD 2.4L 4-cyl FWD 22 30 25 $2,600
500 X 2.4L 4-cyl AWD 2.4L 4-cyl AWD 21 29 24 $2,690

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2016 Fiat 500 X MPG

24–28 MPG · $2,600–$2,880/yr
Gas · 1.4L, 2.4L
Combined
24–28 MPG
Per year
$2,600–$2,880

Gas configurations (3)

2016 Fiat 500 X gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 X 1.4L 4-cyl turbo (Most efficient) 1.4L 4-cyl turbo FWD 25 33 28 $2,880
500 X 2.4L 4-cyl FWD 2.4L 4-cyl FWD 22 30 25 $2,600
500 X 2.4L 4-cyl AWD 2.4L 4-cyl AWD 21 29 24 $2,690

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Fuel cost by state

Yearly cost of the 500 X 1.4L 4-cyl turbo FWD: $3,440 in California and $2,500 in Texas, a $940 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2018 small SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2016-2018

Frequently asked questions

What gas mileage does the 2016-2018 Fiat 500 X get?

EPA rates the 2016-2018 Fiat 500 X at 24–28 MPG combined across 9 configurations and 3 model years. The most efficient version, the 2018 500 X 1.4L 4-cyl turbo FWD, is rated 28 MPG (25 city, 33 highway).

Which years had the best MPG in the 2016-2018 Fiat 500 X?

Every model year of the 2016-2018 Fiat 500 X tops out at 28 MPG combined, so no year is better than another.

Did EPA ratings change during the 2016-2018 Fiat 500 X?

Yes. Ratings changed in 2017 and 2018.

How much does it cost to fuel a 2018 Fiat 500 X per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the 500 X 1.4L 4-cyl turbo FWD costs about $2,880 a year. Across all 3 configurations the cost runs $2,610–$2,880 a year. That is a $270 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2018 Fiat 500 X 100 miles?

About $19.20 per 100 miles for the 500 X 1.4L 4-cyl turbo FWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $17.40 and $19.20 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2018 Fiat 500 X more efficient in the city or on the highway?

The 500 X 1.4L 4-cyl turbo FWD is rated 25 city and 33 highway MPG, so it is more efficient on the highway, by 8 MPG.

How does the 2018 Fiat 500 X compare with other small SUV configurations?

The 500 X 1.4L 4-cyl turbo FWD costs about $2,880 a year to fuel, $80 less than the class median of $2,960, and less than 6 of 10 small SUV configurations. The comparison covers all 223 rated small SUV configurations for MY2018, not weighted by sales.

Is the 2018 Fiat 500 X different from the 2017 model?

The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,880. EPA lists 3 configurations for 2018 against 3 configurations for 2017. See the 2017 Fiat 500 X for that year.