2021 head-to-head · Wagon

2021 Ford Mustang Mach-E vs Kia Soul

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$899/ year to fuel
101 MPGe
✓ Cheaper to run
$1,500/ year to fuel
31 MPG

The 2021 Ford Mustang Mach-E is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $899 a year to fuel (101 MPGe), versus $1,500 for the 2021 Kia Soul (31 MPG). That's roughly $601 a year, or about $3,005 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Ford Mustang Mach-E
  • Kia Soul

Side by side

Ford Mustang Mach-EKia Soul
$899 Your annual fuel cost $1,500
101 MPGe Combined efficiency 31 MPG
108 MPGe City 29 MPG
94 MPGe Highway 35 MPG
33.3 kWh Electricity use (kWh/100 mi) —
305 mi Driving range —
101 cu ft Passenger volume 101 cu ft
24 cu ft Cargo volume 24 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 287 g/mi
10/10 EPA fuel economy score 7/10
10/10 EPA greenhouse gas score 7/10
11.4 hrs Charge time at 240V —
Electric Powertrain Gas
Electricity Fuel Regular gasoline
Electric motor (216 kW) Engine / motor 2.0L 4-cyl
Single-speed Transmission CVT
RWD Drivetrain FWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Ford Mustang Mach-E vs Kia Soul across model years

  • Ford Mustang Mach-E
  • Kia Soul

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 14 2021 wagons, the Ford Mustang Mach-E ranks 3rd and the Kia Soul 7th for lowest fuel cost.

Because the Ford Mustang Mach-E is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Kia Soul; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2021 Ford Mustang Mach-E or the 2021 Kia Soul?

Measured by cost to drive, the Ford Mustang Mach-E. The Ford Mustang Mach-E is rated 101 MPGe combined and the Kia Soul 31 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Ford Mustang Mach-E vs. the Kia Soul per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $899 for the Ford Mustang Mach-E and $1,500 for the Kia Soul.

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