2027 head-to-head · Midsize & Large SUV
2027 Hyundai Ioniq 9 vs VinFast VF 9
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · Electric motor (300 kW) · Single-speed · 68 MPGe · 287 mi
The 2027 Hyundai Ioniq 9 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $999 a year to fuel (92 MPGe), versus $1,345 for the 2027 VinFast VF 9 (68 MPGe). That's roughly $346 a year, or about $1,728 over five years.
Your numbers
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Fuel cost over 10 years
- Hyundai Ioniq 9
- VinFast VF 9
Side by side
| Hyundai Ioniq 9 | VinFast VF 9 | |
|---|---|---|
| $999 | Your annual fuel cost | $1,345 |
| 92 MPGe | Combined efficiency | 68 MPGe |
| 103 MPGe | City | 70 MPGe |
| 81 MPGe | Highway | 65 MPGe |
| 37 kWh | Electricity use (kWh/100 mi) | 49.8 kWh |
| 335 mi | Driving range | 287 mi |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 11.7 hrs | Charge time at 240V | 15 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (160 kW) | Engine / motor | Electric motor (300 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | Drivetrain | AWD |
✓ 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.
Hyundai Ioniq 9 vs VinFast VF 9 across model years
- Hyundai Ioniq 9
- VinFast VF 9
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 9 goes farther between stops: about 335 miles on a charge, compared with 287 miles for the VinFast VF 9.
Among 58 2027 midsize & large SUVs, the Hyundai Ioniq 9 ranks 10th and the VinFast VF 9 17th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2027 Hyundai Ioniq 9 or the 2027 VinFast VF 9?
Measured by cost to drive, the Hyundai Ioniq 9. The Hyundai Ioniq 9 is rated 92 MPGe combined and the VinFast VF 9 68 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Hyundai Ioniq 9 vs. the VinFast VF 9 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $999 for the Hyundai Ioniq 9 and $1,345 for the VinFast VF 9.
Which has more range?
The Hyundai Ioniq 9: about 335 miles versus 287 miles.
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