Quick answer
The 2027 Hyundai Ioniq 9 is 199.2″ long, 78″ wide and 70.5″ tall on a 123.2″ wheelbase, and weighs 5,736 lb. At 16.6 ft it fits a standard garage and leaves 1.4 ft spare in an 18-foot street space.
Every Hyundai Ioniq 9 generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2025–2027 | 199.2″ | 78″ | 70.5″ | 123.2″ | 5,747 lb |
ROWS 1·SOURCE NHTSA vPIC / Transport Canada
Ioniq 9 year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2027 | 199.2″ | 78″ | 123.2″ | 3 | |
| 2026 | 199.2″ | 78″ | 123.2″ | 3 | |
| 2025 | 199.2″ | 78″ | 123.2″ | 3 |
ROWS 3·SOURCE Transport Canada vehicle specifications
Will a Ioniq 9 fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 16.6 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 16.6 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.5 ft | Room to open doors both sides |
ROWS 3·SOURCE ForCar, computed from vehicle dimensions
Against cars of the same length
Among the 784 cars within 10″ of its length, the Ioniq 9 is heavier than 96% and wider than 82%, and has a longer wheelbase than 94%.
| Measure | This car | Typical of 784 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 78″ | 74.4″ | +3.6″ |
| Wheelbase | 123.2″ | 114.6″ | +8.6″ |
| Curb weight | 5,736 lb | 4,187 lb | +1,549 lb |
ROWS 3·SOURCE ForCar, computed across vehicles of similar length
Ioniq 9 against its rivals
Next to the Toyota Highlander, Jeep Grand Cherokee and Ford Explorer, the Ioniq 9 is the longest and the heaviest of the four.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Hyundai Ioniq 9 (this car) | 2027 | 199.2″ | 78″ | 5,736 lb |
| Toyota Highlander | 2026 | 194.9″ | 76″ | 4,370 lb |
| Jeep Grand Cherokee | 2026 | 193.3″ | 77.6″ | 5,007 lb |
| Ford Explorer | 2026 | 198.8″ | 78.7″ | 4,713 lb |
ROWS 4·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Everything on the Hyundai Ioniq 9
Frequently asked questions
Is the 2027 Ioniq 9 bigger than the 2026?
No. The 2027 and 2026 Ioniq 9 are the same size and weight.
Which is bigger, the Ioniq 9 or the Toyota Highlander?
The 2026 Toyota Highlander is 4.3″ shorter and 1,366 lb lighter than the 2027 Ioniq 9.
Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 3 Ioniq 9 model years, 2025 to 2027. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
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