2026 Cadillac CT4 vs. CT5 Engine Specs & Fuel Economy

Under the hood, the 2026 Cadillac CT4 and 2026 Cadillac CT5 offer a variety of robust engine options engineered to provide confident performance on every drive. Each model shares a potent 2.0L twin-scroll turbocharged four-cylinder engine, paired with an eight-speed automatic transmission in the CT4 and a ten-speed automatic transmission in the CT5.

Each Cadillac model comes equipped with selectable drive modes for tailored control, including tour, snow/ice, sport, and My Mode. When you want to make the most of your time between fill-ups, the CT4 can achieve up to 32 highway MPG, and the CT5 can achieve up to 31 highway MPG.

See the accompanying comparison of engine and performance specifications.

2026 Cadillac CT4 vs. CT5 Exterior Design

The 2026 Cadillac CT4 and 2026 Cadillac CT5 showcase a premium approach to luxury sedan design that feels both functional and contemporary. Shared features like 18- or 19-inch wheels, a rear spoiler, and black, red, or bronze exterior accents add a sporty, customizable flair. When you want enhanced practicality and convenience, the CT5 offers exclusive features like illuminating door handles and power-folding outside mirrors.

Shared available exterior features:

• 18- or 19-in. wheels
• Black, red, or bronze exterior accents
• Rocker moldings with extensions
• Rear spoiler
• Heated, power-adjustable, manual-folding outside mirrors with driver’s side auto dimming, driver’s side memory settings, and integrated LED turn signal indicators
• LED taillamps, front cornering lamps, and auto on/off headlamps
• Acoustic laminated glass
• Rainsense™ automatic windshield wipers

Exclusive available CT4 exterior features:

• 17-in. wheels

Exclusive available CT5 exterior features:

• 20-in. wheels
• Illuminating door handles
• Power-folding outside mirrors
• Solar-absorbing glass
• Hands-free decklid release

2026 Cadillac CT4 vs. CT5 Interior Design & Technology

The interiors of the 2026 Cadillac CT4 and 2026 Cadillac CT5 are designed to elevate every drive, offering a refined blend of comfort, convenience, and cultivated craftsmanship. Sophistication abounds with shared available features like Inteluxe™ or leather seat upholstery, heated and ventilated front seats, a heated steering wheel, and sporty interior accents. When it comes to connectivity, the CT4 and CT5 offer seamless features like wireless smartphone integration, Wi-Fi® hotspot capability, and wireless charging. For concert-like sound, each model offers a premium audio system — a Bose 14-speaker surround sound system in the CT4 and a 15-speaker AKG™ surround sound system in the CT5.

Shared available interior and technology features:

• Inteluxe or leather seat upholstery
• 18-way power-adjustable front seats with four-way power lumbar, power lumbar massage, power seatback bolsters, and manual cushion length adjustments
• Heated and ventilated front seats
• Split-folding rear seat
• Memory settings for driver’s seat and steering column
• Driver’s-side foot rest
• Heated, leather-wrapped steering wheel with alloy paddle shifters
• Power tilt and telescoping steering column
• Dual-zone automatic climate control
• Auto-dimming rearview mirror
• Universal home remote
• Ambient interior lighting
• Alloy sport pedals
• Keyless open, entry, and start
• Remote start
• Rotary infotainment controller with jog control
• Natural voice recognition technology
• Navigation
• Wireless Apple CarPlay® and Android Auto™
• HD Radio™
• Bluetooth®
• SiriusXM® with 360L capability
• Wi-Fi hotspot capability
• SD card reader
• Head-up display
• Wireless phone charging
• Front and rear USB ports and 12V power outlets

Exclusive available CT4 interior and technology features:

• Power sunroof
• Dual digital driver information center display or 12-in. HD color reconfigurable driver cluster
• Cadillac user experience with 8-in. multi-touch HD touchscreen
• Eight-speaker premium audio system or Bose 14-speaker premium surround sound audio system

Exclusive available CT5 interior and technology features:

• UltraView power sunroof
• Semi-aniline leather seat upholstery
• 33-in. advanced color LED display
• 15-speaker AKG premium surround sound audio system
• Rear camera mirror

2026 Cadillac CT4 vs. CT5 Size & Trunk Space

Access an accommodating cabin designed for your lifestyle in the 2026 Cadillac CT4 and 2026 Cadillac CT5. Each model can seat up to five passengers, with the CT4 being the more compact of the two. Both sedans offer a spacious 42.4 inches of front legroom for you and your co-pilot to enjoy. When you require storage for groceries, luggage, and the like, the CT4 delivers a 10.7-cubic-foot trunk, and the CT5 offers an 11.9-cubic-foot trunk.

See the accompanying comparison of size and trunk dimensions.

2026 Cadillac CT4 vs. CT5 Safety Options & Features

Equipped with modern driver assistance technology, the 2026 Cadillac CT4 and 2026 Cadillac CT5 are engineered to help support you on every journey. Features like enhanced automatic emergency braking, rear cross-traffic alert, adaptive cruise control, and HD surround vision can be found on either model. The CT5 offers an expanded list of innovative safety options, including intersection automatic emergency braking, blind zone steering assist, driver attention assist, and traffic sign recognition.

Shared available safety features:

• Enhanced automatic emergency braking
• Reverse automatic braking
• Automatic vehicle hold
• HD rear vision camera
• HD surround vision
• LED reflective windshield collision alert
• Forward collision alert
• Buckle to Drive technology
• Safety alert seat
• Rear seat reminder
• Super Cruise hands-free driver assistance technology
• Teen Driver technology
• Rear cross-traffic alert
• IntelliBeam® auto high beam assist
• Adaptive cruise control
• Reverse automatic braking

Exclusive available CT4 safety features:

• Front pedestrian braking
• Following distance indicator
• Lane change alert with side blind zone alert
• Lane keep assist with lane departure warning
• Front park assist

Exclusive available CT5 safety features:

• Intersection automatic emergency braking
• Front pedestrian and bicyclist braking
• Enhanced automatic parking assist
• Blind zone steering assist
• Side bicyclist alert
• Rear pedestrian alert
• Driver attention assist
• Traffic sign recognition

New Cadillac for Sale in Kokomo, IN

Whether your tastes align with the CT4 or CT5, you can find your ideal new Cadillac for sale right here in Kokomo, IN, at McGonigal Cadillac. Explore our inventory, then experience the model you love with a test drive. When you’re ready to plan your visit, see our directions. Have questions? Contact us online or call us at (765) 252-0143.