2018 head-to-head · Midsize Car

2018 Honda Clarity Plug-in Hybrid vs Hyundai Ioniq Plug-in Hybrid

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
$910/ year to fuel
110 MPGe + 42 MPG

FWD · 1.5L 4-cyl · CVT · 110 MPGe + 42 MPG

✓ Cheaper to run
$815/ year to fuel
119 MPGe + 52 MPG

FWD · 1.6L 4-cyl · 6-speed dual-clutch · 119 MPGe + 52 MPG

The 2018 Hyundai Ioniq Plug-in Hybrid 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 $815 a year to fuel (119 MPGe + 52 MPG), versus $910 for the 2018 Honda Clarity Plug-in Hybrid (110 MPGe + 42 MPG). That's roughly $95 a year, or about $473 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

  • Honda Clarity Plug-in Hybrid
  • Hyundai Ioniq Plug-in Hybrid

Side by side

Honda Clarity Plug-in HybridHyundai Ioniq Plug-in Hybrid
$910 Your annual fuel cost $815
110 MPGe + 42 MPG Combined efficiency 119 MPGe + 52 MPG
117 MPGe / 44 MPG City 123 MPGe / 53 MPG
102 MPGe / 40 MPG Highway 114 MPGe / 52 MPG
31 kWh Electricity use (kWh/100 mi) 28 kWh
340 mi Driving range 630 mi
48 mi All-electric range 29 mi
102 cu ft Passenger volume 96 cu ft
15 cu ft Cargo volume 23 cu ft
57 g/mi Tailpipe CO₂ (g/mi) 75 g/mi
10/10 EPA fuel economy score 10/10
10/10 EPA greenhouse gas score 10/10
2.2 hrs Charge time at 240V 2.3 hrs
Plug-in hybrid Powertrain Plug-in hybrid
Regular gas + electricity Fuel Regular gas + electricity
1.5L 4-cyl Engine / motor 1.6L 4-cyl
CVT Transmission 6-speed dual-clutch
FWD 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.

Honda Clarity Plug-in Hybrid vs Hyundai Ioniq Plug-in Hybrid across model years

  • Honda Clarity Plug-in Hybrid
  • Hyundai Ioniq Plug-in Hybrid

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

The Hyundai Ioniq Plug-in Hybrid goes farther between stops: about 630 miles on a full tank and charge, compared with 340 miles for the Honda Clarity Plug-in Hybrid.

Per EPA interior volume figures, the Honda Clarity Plug-in Hybrid has more passenger space (102 vs. 96 cu ft); the Hyundai Ioniq Plug-in Hybrid has more cargo space (23 vs. 15 cu ft).

Among 74 2018 midsize cars, the Honda Clarity Plug-in Hybrid ranks 9th and the Hyundai Ioniq Plug-in Hybrid 6th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Honda Clarity Plug-in Hybrid or the 2018 Hyundai Ioniq Plug-in Hybrid?

Measured by cost to drive, the Hyundai Ioniq Plug-in Hybrid. The Honda Clarity Plug-in Hybrid is rated 110 MPGe + 42 MPG combined and the Hyundai Ioniq Plug-in Hybrid 119 MPGe + 52 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Honda Clarity Plug-in Hybrid vs. the Hyundai Ioniq Plug-in Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $910 for the Honda Clarity Plug-in Hybrid and $815 for the Hyundai Ioniq Plug-in Hybrid.

Which has more range?

The Hyundai Ioniq Plug-in Hybrid: about 630 miles versus 340 miles.

Which has more cargo space?

The Hyundai Ioniq Plug-in Hybrid, with 23 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Honda Clarity Plug-in Hybrid vs Hyundai Ioniq Plug-in Hybrid in other years

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