2026 Cadillac CT4 vs 2026 Toyota Prius Plug-In Hybrid

$35,600 · Sedan

$33,775 · Hatchback

Comparison Overview

Are you torn between the sleek excitement of traditional luxury performance and the undeniable logic of plug-in efficiency? That's the core dilemma comparing the 2026 Cadillac CT4 against the 2026 Toyota Prius Plug-In Hybrid. The CT4 starts slightly higher at $35,600, offering 237 horsepower and a traditional RWD setup. Conversely, the Prius targets the budget and environment with an MSRP of $33,775 and boasts an incredible 52 combined MPG, offering a massive 26 MPG advantage over the Cadillac’s 26 MPG combined. While the CT4 is slightly longer at 187.2 inches, the Prius counters with nearly double the cargo space, providing 20.3 cubic feet compared to the Cadillac's 10.7 cubic feet. For daily driving, the Prius's 45-mile electric range makes short trips cheap, whereas the CT4 relies on recommended premium unleaded fuel for its performance focus.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Toyota Prius Plug-In Hybrid

The Prius Plug-In Hybrid is the clear winner for daily commuting due to its superior 52 combined MPG and usable 45-mile electric range.

👨‍👩‍👧‍👦 Best for Families

2026 Toyota Prius Plug-In Hybrid

The Toyota offers substantially more usable space, boasting 20.3 cubic feet of cargo capacity versus the CT4's 10.7 cubic feet.

🏎️ Best for Enthusiasts

2026 Cadillac CT4

The Cadillac CT4 appeals more to driving enthusiasts with its higher 237 hp output and traditional rear-wheel-drive configuration.

💰 Best Value

2026 Toyota Prius Plug-In Hybrid

With a lower starting price of $33,775 and drastically lower running costs from superior fuel economy, the Prius delivers better overall value.

Choose the Cadillac CT4 if...

You prioritize luxury feel and performance, evidenced by its 237 hp engine.
You prefer the dynamic handling characteristics of rear-wheel drive.
You are comfortable using premium unleaded fuel to maintain performance.

Choose the Toyota Prius Plug-In Hybrid if...

Fuel efficiency is paramount, given its 52 combined MPG rating.
You need practical cargo hauling, benefiting from 20.3 cubic feet of space.
Your daily driving falls within the 45-mile electric range for near-zero running costs.

Key Dimensions

Dimension	Cadillac CT4	Toyota Prius Plug-In Hybrid
Length	187.2"	181.1"
Width	71.4"	70.2"
Height	56.0"	55.9"
Wheelbase	109.0"	108.3"

Features Comparison

Safety

Feature	Cadillac	Toyota
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	—
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	—
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	2	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Front Cross Traffic Alert	—	✓
Rear Solid Disc Brakes	—	✓

Engine

Feature	Cadillac	Toyota
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	plug-in hybrid
Horsepower	237 hp @ 5000 rpm	220 hp
Torque	258 lb-ft @ 1500 rpm	—
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	Cadillac	Toyota
Transmission Type	8-speed shiftable automatic	continuously variable-speed automatic
Drivetrain Type	rear wheel drive	front wheel drive

Fuel

Feature	Cadillac	Toyota
Fuel Type	premium unleaded (recommended)	regular unleaded
EPA Fuel Economy (City/Highway)	22/32 MPG	53/51 MPG
EPA Fuel Economy (Combined)	26 MPG	52 MPG
EPA Driving Range (City/Highway)	374.0/544.0 mi.	561.8/540.6 mi.
Fuel Tank Capacity	17.0 gal.	10.6 gal.
EPA Efficiency (City/Highway MPGe)	—	140/115 MPGe
EPA Efficiency (Combined MPGe)	—	127 MPGe
EPA Electric Driving Range	—	45 mi.
EPA Energy Consumption (kWh/100 mi)	—	26
Charging Time (240V)	—	4.0 hr.
DC Fast Charging Port Type	—	SAE J1772

Comfort & Convenience

Feature	Cadillac	Toyota
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	—
Cruise Control on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Rear Parking Sensors	✓	—
Wireless Charging Pad	✓	—
Cruise Control	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	—
Leather Steering Wheel	✓	—
Heated Steering Wheel	✓	✓
Dual Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	—
Interior Air Filtration	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Turn Signal Indicators in Mirrors	✓	—
Adaptive Cruise Control	—	✓
Leatherette Steering Wheel	—	✓
Single Zone Climate Control	—	✓

In Car Entertainment

Feature	Cadillac	Toyota
Infotainment Display	8.0 in	8.0 in
AM/FM Stereo	✓	✓
Speaker System	8	6
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Memory Card Slot	✓	—
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	—

Power Feature

Feature	Cadillac	Toyota
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Cadillac	Toyota
Front Head Room	38.3 in.	38.0 in.
Front Leg Room	42.4 in.	42.4 in.
Front Shoulder Room	55.2 in.	55.3 in.
Front Hip Room	53.0 in.	54.7 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	—
Passenger Seat Power Adjustments	6-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	—
Passenger Seat Heating	Multi-level	—
Seat Material: Cloth	—	✓
Driver Seat Manual Adjustments	—	6-way
Passenger Seat Manual Adjustments	—	6-way

Rearseats

Feature	Cadillac	Toyota
Rear Head Room	36.5 in.	36.4 in.
Rear Leg Room	33.4 in.	35.9 in.
Rear Shoulder Room	53.9 in.	52.8 in.
Rear Hip Room	52.5 in.	51.7 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—

Tires and Wheels

Feature	Cadillac	Toyota
Wheel Finish	Painted Alloy	—
Wheel Diameter	17 in	17 in
Tire Size	P225/45R17	195/60R17
Tire Type	✓	All Season
Wheel Material	—	Alloy
Wheel Cover Type	—	✓

Suspension

Feature	Cadillac	Toyota
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Cadillac	Toyota
Basic Warranty	4 yr./ 50000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	5 yr./ 60000 mi.
Corrosion/Rust Warranty	4 yr./ 50000 mi.	5 yr./ unlimited mi.
Roadside Assistance	6 yr./ 70000 mi.	3 yr./ unlimited mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	2 yr./ 25000 mi.
Hybrid Component Warranty	—	10 yr./ 150000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 Cadillac CT4 and 2026 Toyota Prius Plug-In Hybrid.

How much more fuel-efficient is the Prius compared to the CT4?

The Toyota Prius Plug-In Hybrid is significantly more efficient, achieving 52 combined MPG compared to the Cadillac CT4's 26 combined MPG. This results in a 26 MPG difference in everyday driving efficiency.

Does the Cadillac CT4 require a specific type of gasoline?

Yes, the 2026 Cadillac CT4 recommends the use of premium unleaded fuel to maximize its 237 horsepower performance. In contrast, the Prius can run on regular unleaded gasoline.

Which vehicle offers more practical storage for gear or groceries?

The Toyota Prius Plug-In Hybrid wins handily in cargo utility, offering 20.3 cubic feet of space because it is a hatchback. The CT4 sedan provides only 10.7 cubic feet of trunk space.

What is the electric-only capability of the Prius?

The 2026 Toyota Prius Plug-In Hybrid is capable of traveling 45 miles solely on electric power before needing to engage the gasoline engine. This makes many short daily commutes entirely emissions-free.

Is the CT4 significantly larger than the Prius?

The Cadillac CT4 is slightly larger overall, measuring 187.2 inches in length compared to the Prius's 181.1 inches. However, the Prius is only marginally narrower and shorter in height, making the size difference minor in maneuverability.

Who is the RWD Cadillac CT4 best suited for?

The CT4 is best suited for buyers who value the feel of traditional rear-wheel drive performance and want the premium status associated with Cadillac, accepting the trade-off in fuel economy and cargo space.