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Cadillac CT4 vs Hyundai Ioniq 6

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Cadillac logo

2026 Cadillac CT4

Hyundai logo

2025 Hyundai Ioniq 6

Overview

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
Selected trimLuxurySE Standard Range
Body styleSedanSedan
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (recommended)electric
Transmission8-speed shiftable automatic1-speed direct drive
Engine typegaselectric
Model year20262025

Pricing & market

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
MSRP$35,600 (best)$37,850
Lowest listing price$21,900$21,780 (best)
Median listing price$26,892$22,470 (best)
Highest listing price$42,900$23,987 (best)
For sale now10 (best)4

Fuel economy & range

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
Combined MPG26 MPG (best)
City MPG22 MPG (best)
Highway MPG32 MPG (best)
Combined MPGe135 MPGe (best)
Electric range240 mi (best)
Battery capacity53 kWh (best)
240V charge time6.1 hr (best)
Fuel tank17 gal (best)

Performance

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
Horsepower237 hp (best)149 hp
Torque258 lb-ft258 lb-ft
Engine size2 L (best)
CylindersI4

Size & capability

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
Seating5 seats5 seats
Doors44
Cargo volume10.7 cu ft11.7 cu ft (best)
Curb weight3,422 lbs (best)3,935 lbs
Ground clearance5.6 in (best)
Wheelbase109 in116.1 in (best)
Length187.2 in191.1 in (best)
Width71.4 in74 in (best)
Height56 in58.9 in (best)

Safety & recalls

SpecCadillac CT4LuxuryHyundai Ioniq 6SE Standard Range
NHTSA overallNot Rated5 / 5 ★ (best)
Frontal crash (driver)Not Rated4 / 5 ★ (best)
Frontal crash (passenger)Not Rated5 / 5 ★ (best)
Side crash (driver)Not Rated5 / 5 ★ (best)
Side crash (passenger)Not Rated5 / 5 ★ (best)
Side poleNot Rated5 / 5 ★ (best)
RolloverNot Rated5 / 5 ★ (best)
Open recalls (YMM scope)None reported (best)3

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimCadillac CT4Hyundai Ioniq 6
1

Luxury

$35,600 MSRP(Currently comparing)

SE Standard Range

$37,850 MSRP(Currently comparing)

2

Premium Luxury

$39,900 MSRP

SE

$42,800 MSRP

3

Sport

$43,800 MSRP

SE

$46,300 MSRP

4

V

$50,000 MSRP

SEL

$45,600 MSRP

5

V Blackwing

$62,700 MSRP

SEL

$49,100 MSRP

6

Limited

$51,100 MSRP

7

Limited

$54,600 MSRP

Live inventory

Cadillac CT4 vs Hyundai Ioniq 6 FAQ

Which is better: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
It depends on priorities. OpenDealer compares 2026 Cadillac CT4 vs 2025 Hyundai Ioniq 6 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
Based on starting MSRP, the 2026 Cadillac CT4 starts lower at $35,600. Live Cadillac CT4 listings start at $21,900. Live Hyundai Ioniq 6 listings start at $21,780.
Which has better startingMsrp: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
The 2026 Cadillac CT4 leads on startingMsrp in this comparison (35,600).
Which has better combinedMpg: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
The 2026 Cadillac CT4 leads on combinedMpg in this comparison (26).
Which has better electricRangeMi: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
The 2025 Hyundai Ioniq 6 leads on electricRangeMi in this comparison (342).
Which has better horsepower: 2026 Cadillac CT4 or 2025 Hyundai Ioniq 6?
The 2026 Cadillac CT4 leads on horsepower in this comparison (472).
How do the NHTSA safety ratings compare for 2026 Cadillac CT4 vs 2025 Hyundai Ioniq 6?
NHTSA overall crash-test ratings in this comparison: Cadillac CT4 (Not Rated/5 NHTSA overall); Hyundai Ioniq 6 (5/5 NHTSA overall).