A4 vs Ioniq 6
Two makers, one class, one decision: the A4 from Audi or the Ioniq 6 from Hyundai. Think of these two as neighbors: the overlap is large and the gaps are few.
At a glance
- Engine & Performance A4 wins
- Space & Practicality Tie
- Off-road & Towing Tie
- Engine & Performance3.1
- Engine & Performance2.1
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
-
The A4 has 52 hp more power
The spread here is large: 201 hp on the A4 versus 149 hp on the Ioniq 6. Expect to notice it. Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels.
-
The Ioniq 6 has 22 lb-ft more torque
If everything else were equal, this small edge would favor the Ioniq 6: 258 lb-ft against 236 lb-ft. Electrified powertrains deliver torque instantly, so compare torque figures alongside the powertrain type.
Design & Size
Dimensions
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Length | N/A (not specified) | 191.1 in |
| Width (no mirrors) | N/A (not specified) | 74 in |
| Height | N/A (not specified) | 58.9 in |
| Wheelbase | N/A (not specified) | 116.1 in |
Engine & Performance
A4 leads
The Ioniq 6 is outclassed on engine & performance; the A4 leads by a clear margin. The A4 scores with 52 hp more power. The A4’s extra output gives it more in reserve when you need to get up to speed. The Ioniq 6 takes this one with 22 lb-ft more torque. If this section decides it for you, choose the A4.
Total system output
A4: 201 hp Ioniq 6: 149 hp More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board.
Torque
A4: 236 lb-ft Ioniq 6: 258 lb-ft The Ioniq 6’s extra torque makes it more relaxed when fully loaded or towing.
Space & Practicality
Too close to call
If space & practicality matters most to you, this section won’t make the decision for you: they’re level. If space & practicality was going to be your tiebreaker, you’ll need a different one.
Off-road & Towing
Too close to call
In the off-road & towing category, the A4 and the Ioniq 6 land in almost the same place. On off-road & towing alone, you can’t go far wrong with either.
Safety & Tech
There isn’t a number to compare on safety & tech, just names. Look at the rows below to see how the A4 and the Ioniq 6 differ.
Full Specifications
Engine & Performance
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Powertrain | Gas (12V mild hybrid) | Battery electric |
| Engine | 2.0L turbo I4 | Single motor (rear) |
| Total system output | 201 hp (winner) | 149 hp Least powerful in class |
| Torque | 236 lb-ft | 258 lb-ft (winner) |
| Transmission | 7-speed dual-clutch (S tronic) | Single-speed reduction gear |
| Drivetrain | AWD (quattro) | RWD (AWD available) |
Fuel Economy & Range
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 29 mpg | N/A (not specified) |
| Fuel economy (city) | 26 mpg | N/A (not specified) |
| Fuel economy (highway) | 36 mpg | N/A (not specified) |
| Electric range | N/A (not specified) | 240 mi Shortest electric range |
Space & Practicality
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Seats | 5 seats | 5 seats |
| Cargo (behind rear seats) | N/A (not specified) | 11.2 cu ft |
Off-road & Towing
| Spec | A4 | Ioniq 6 |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Largest touchscreen | N/A (not specified) | 12.3 in |
| Driver-assist suite | N/A (not specified) | Hyundai SmartSense |
| Basic warranty | 4 yr / 50,000 mi | 5 yr / 60,000 mi |
Dimensions
| Spec | A4 | Ioniq 6 |
|---|---|---|
| Length | N/A (not specified) | 191.1 in |
| Width (no mirrors) | N/A (not specified) | 74 in |
| Height | N/A (not specified) | 58.9 in |
| Wheelbase | N/A (not specified) | 116.1 in |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Which One Should You Buy?
Choose the A4 if…
- you merge, overtake or climb hills with a full load (201 hp vs 149 hp)
- you already use other Audi products
Choose the Ioniq 6 if…
- you want more pulling power from low speeds (258 lb-ft vs 236 lb-ft of torque)
- you prefer staying with Hyundai
Also Compared
Frequently Asked Questions
Should I buy the A4 or the Ioniq 6?
The A4 makes more sense overall. Consider the alternative only if you’d rather have 22 lb-ft more torque on the Ioniq 6.
Executive Summary
Here’s my honest read on a classic rivalry: Audi’s A4 against Hyundai’s Ioniq 6. For me, the deciding factor is that only the A4 gives you 52 hp more power. The Ioniq 6’s strongest argument is 22 lb-ft more torque.
I’d match them like this: engine & performance to the A4, pulling power to the Ioniq 6.
My pick: the A4. The Ioniq 6 only comes out ahead if you know that 22 lb-ft more torque would make a real difference in your routine.
Personal opinion based on the data above. Your priorities may differ.