TLX vs Ioniq 6
The TLX and the Ioniq 6 are direct rivals in the compact luxury car class, one from Acura and one from Hyundai. The scorecard favors the TLX, which leads in 2 of 3 areas. Its strongest showing is in the engine & performance category.
At a glance
- Engine & Performance TLX wins
- Space & Practicality TLX wins
- Off-road & Towing Tie
- Engine & Performance6.8
- 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 TLX has 123 hp more power
Big gap, real consequences. The TLX’s 272 hp versus the Ioniq 6’s 149 hp changes how the two compare in daily use. The TLX’s extra output gives it more in reserve when you need to get up to speed.
-
The TLX has 21% more cargo space
The Ioniq 6 is clearly behind on cargo (behind rear seats) (11.2 cu ft against 13.5 cu ft), and that’s one of its biggest weak spots in this matchup. Cargo space behind the rear seats is what you use every day for groceries, strollers and luggage.
-
The TLX has 22 lb-ft more torque
Slight advantage to the TLX: 280 lb-ft compared with 258 lb-ft. The TLX’s extra torque makes it more relaxed when fully loaded or towing.
Design & Size
- TLX 194.6 in × 75.2 in × 56.4 in
- Ioniq 6 191.1 in × 74 in × 58.9 in
Neither is the “big one” here; the TLX and the Ioniq 6 are matched on size.
Dimensions
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Length | 194.6 in | 191.1 in |
| Width (no mirrors) | 75.2 in | 74 in |
| Height | 56.4 in | 58.9 in |
| Wheelbase | 113 in | 116.1 in |
Engine & Performance
TLX leads
The TLX is the clear pick if engine & performance is what you care about most. The TLX answers with 123 hp more power. More power helps with merging, overtaking and climbing hills, especially with passengers and luggage on board. If engine & performance is your priority, the TLX is the car to pick.
Total system output
TLX: 272 hp Ioniq 6: 149 hp Power is only part of the story; weight, gearing and torque delivery shape how quick a car feels.
Torque
TLX: 280 lb-ft Ioniq 6: 258 lb-ft Electrified powertrains deliver torque instantly, so compare torque figures alongside the powertrain type.
Space & Practicality
TLX leads
The Ioniq 6 has a tough time in the space & practicality section, where the TLX pulls well ahead. Choose the TLX and you get 21% more cargo space. The TLX’s larger cargo area makes family trips and big shopping runs easier. The space & practicality verdict goes to the TLX.
Cargo (behind rear seats)
TLX: 13.5 cu ft Ioniq 6: 11.2 cu ft Cargo figures are measured in different ways by different makers, so small gaps may not show in practice.
Off-road & Towing
Too close to call
Neither the TLX nor the Ioniq 6 has a real advantage in the off-road & towing category. In short, off-road & towing is a draw; the decision lies elsewhere.
Safety & Tech
This area doesn’t reduce to a single number. The table shows the safety & tech details for both, so you can judge what matters to you.
Full Specifications
Engine & Performance
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Powertrain | Gas | Battery electric |
| Engine | 2.0L turbo I4 | Single motor (rear) |
| Total system output | 272 hp (winner) | 149 hp Least powerful in class |
| Torque | 280 lb-ft (winner) | 258 lb-ft |
| Transmission | 10-speed automatic | Single-speed reduction gear |
| Drivetrain | FWD (SH-AWD available) | RWD (AWD available) |
Fuel Economy & Range
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 25 mpg | N/A (not specified) |
| Fuel economy (city) | 22 mpg | N/A (not specified) |
| Fuel economy (highway) | 31 mpg | N/A (not specified) |
| Electric range | N/A (not specified) | 240 mi Shortest electric range |
| Fuel tank | 15.9 gal | N/A (not specified) |
Space & Practicality
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Seats | 5 seats | 5 seats |
| Cargo (behind rear seats) | 13.5 cu ft (winner) | 11.2 cu ft |
Off-road & Towing
| Spec | TLX | Ioniq 6 |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Largest touchscreen | N/A (not specified) | 12.3 in |
| Driver-assist suite | AcuraWatch | Hyundai SmartSense |
| Basic warranty | 4 yr / 50,000 mi | 5 yr / 60,000 mi |
Dimensions
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Length | 194.6 in | 191.1 in |
| Width (no mirrors) | 75.2 in | 74 in |
| Height | 56.4 in | 58.9 in |
| Wheelbase | 113 in | 116.1 in |
Price
| Spec | TLX | Ioniq 6 |
|---|---|---|
| Starting MSRP | $45,400 | N/A (not specified) |
“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 TLX if…
- you merge, overtake or climb hills with a full load (272 hp vs 149 hp)
- you want more cargo space behind the rear seats (13.5 cu ft vs 11.2 cu ft)
- you want more pulling power from low speeds (280 lb-ft vs 258 lb-ft of torque)
Also Compared
Frequently Asked Questions
Which is better for most people, the TLX or the Ioniq 6?
On the specs compared here, the TLX makes more sense for most buyers; the Ioniq 6 doesn’t win a single measurable area.
Which is larger, the TLX or the Ioniq 6?
Neither by much. The TLX and the Ioniq 6 have nearly identical dimensions.
Executive Summary
The TLX from Acura and the Ioniq 6 from Hyundai go after the same buyer. Here’s how I see them. Practically speaking, the TLX’s biggest advantage is 123 hp more power. Beyond that, 21% more cargo space gives the TLX another edge.
Who should get which? The TLX for engine & performance, the Ioniq 6 for the things a spec sheet can’t capture.
My pick: the TLX.
Personal opinion based on the data above. Your priorities may differ.