2027 Hyundai Ioniq 9 Specs: MPG, Gas Mileage, Engine Size & Dimensions
2027 Hyundai Ioniq 9 Specs at a Glance
The 2027 Hyundai Ioniq 9 gets 92 mpg combined on the Rear-Wheel Drive configuration, is EPA-rated for 335 miles of range, weighs 5,948 lbs, measures 199.2 in long. Figures are per configuration, not a single official number — other trims rate as low as 85 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 92 mpg (103 city / 81 hwy)
- Best configuration: Rear-Wheel Drive · Automatic (A1) · other 2027 trims rate 85–92 mpg combined
- EPA range
- 335 miles
- Curb weight
- 5,948 lbs
- Heaviest recorded configuration: IONIQ 9 PREFERRED LUXURY / ULTIMATE AWD 4DR SUV
- Length
- 199.2 in · 78 in wide · 70.5 in tall
- Wheelbase
- 123.2 in
2027 Hyundai Ioniq 9 trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 91 | 79 | 85 |
| Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 98 | 78 | 88 |
| Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 103 | 81 | 92 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →Electric Range & Charging Time
EV Range for every year and trim
View details →Hyundai Ioniq 9 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2027 | Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 91 | 79 | 85 | Electricity |
| 2027 | Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 98 | 78 | 88 | Electricity |
| 2027 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 103 | 81 | 92 | Electricity |
| 2026 | Auto (A1) | — | Automatic (A1) | Rear-Wheel Drive | 103 | 81 | 92 | Electricity |
| 2026 | Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 98 | 78 | 88 | Electricity |
| 2026 | Auto (A1) | — | Automatic (A1) | All-Wheel Drive | 91 | 79 | 85 | Electricity |
Compare across every brand
All Hyundai Ioniq 9 specifications
Hyundai Ioniq 9 — Frequently Asked Questions
What is the fuel economy of the 2027 Hyundai Ioniq 9?
The Hyundai Ioniq 9 is EPA-rated at up to 92 MPGe combined (103 city / 81 highway).
What engine does the 2027 Hyundai Ioniq 9 have?
The Hyundai Ioniq 9 is fully electric — it uses an electric motor with a single-speed transmission instead of a combustion engine.
How far can the 2027 Hyundai Ioniq 9 go on a full charge?
The Hyundai Ioniq 9 has an EPA-rated electric driving range of up to 335 miles.
What years of the Hyundai Ioniq 9 are covered here?
This page documents 6 verified Hyundai Ioniq 9 configurations across model years 2026–2027.
Which model year of the Hyundai Ioniq 9 is the most fuel efficient?
Every documented Hyundai Ioniq 9 model year lands on the same 92 MPG combined peak, so fuel economy is not a reason to prefer one year over another.
Is the 2027 Hyundai Ioniq 9 front-wheel drive or all-wheel drive?
The Hyundai Ioniq 9 appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2027 record on All-Wheel Drive.