VS
At a Glance
Power
237hp @ 5000
311hp @ 6600
Torque
258lb-ft @ 1500-4000
280lb-ft @ 4800
Engine
—
3.5 L/211cc
Choosing between the Cadillac Ct4 and the Lexus IS is one of the most common decisions car buyers in the United States face. The Cadillac Ct4 delivers 237hp @ 5000 while the Lexus IS produces 311hp @ 6600. Pricing starts at $44,400 for the Ct4 and $47,500 for the IS. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Performance
Power Output (hp)
237hp @ 5000
311hp @ 6600
Torque (lb-ft)
258lb-ft @ 1500-4000
280lb-ft @ 4800
Engine & Drivetrain
Engine Capacity
—
3.5 L/211cc
Engine Layout
—
V
Cylinders
4
6
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
8
6
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
22mpg
19 (Est)mpg
Fuel Economy - Highway (mpg)
32mpg
26 (Est)mpg
Fuel Tank Capacity (gal)
17gal
17.4gal
Dimensions
Length (in)
187.2in
185.4in
Width (in)
71.4in
72.4in
Height (in)
56.0in
56.5in
Wheelbase (in)
109in
110.2in
Curb Weight (lbs)
3468lbs
3913lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
—
✓ Standard
Traction Control
—
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Cadillac Ct4
1 / 4 categories
Performance
Tied
Fuel Economy
Tied
Value
Ct4
Practicality
Tied
Pros & Cons
Cadillac Ct4
Lower starting price ($44,400)
Few notable weaknesses
Lexus IS
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the Ct4 or IS?
The Ct4 produces 237hp @ 5000 and 258lb-ft @ 1500-4000 of torque while the IS delivers 311hp @ 6600 and 280lb-ft @ 4800 of torque. They produce similar power outputs.
What is the price difference between the Ct4 and IS?
The Ct4 starts from $44,400 and the IS from $47,500. The Ct4 is cheaper by $3,100 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the Ct4 or the IS?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider