VS
At a Glance
Power
349hp @ 6300
237hp @ 5000
Torque
369lb-ft @ 3200
258lb-ft @ 1500-4000
Fuel
24 mpg est.
26 mpg est.
Engine
3.0 L/183ci
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Choosing between the Audi A4 and the Cadillac Ct5 is one of the most common decisions car buyers in the United States face. The Audi A4 delivers 349hp @ 6300 while the Cadillac Ct5 produces 237hp @ 5000. On fuel, the A4 returns 24 mpg est. while the Ct5 uses 26 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $49,900 for the A4 and $49,200 for the Ct5. 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.
Specification
Audi A4Premium Plus 3.0 TFSI quattro 2021 - From $49,900
Cadillac Ct54dr Sdn Premium Luxury 2026 - From $49,200
Performance
Power Output (hp)
349hp @ 6300
237hp @ 5000
Torque (lb-ft)
369lb-ft @ 3200
258lb-ft @ 1500-4000
Engine & Drivetrain
Engine Capacity
3.0 L/183ci
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Engine Layout
V
V
Cylinders
6
6
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
8
—
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
24 mpg est.
26 mpg est.
Fuel Economy - City (mpg)
20 (2020)mpg
22mpg
Fuel Economy - Highway (mpg)
28mpg
31mpg
Fuel Tank Capacity (gal)
15.3gal
17.4gal
Dimensions
Length (in)
187.5in
193.8in
Width (in)
72.7in
74.1in
Height (in)
56.2in
57.2in
Wheelbase (in)
111in
116in
Curb Weight (lbs)
3847lbs
3663lbs
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
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Cadillac Ct5
2 / 4 categories
Performance
A4
Fuel Economy
Ct5
Value
Ct5
Practicality
Tied
Pros & Cons
Audi A4
Well-rounded specification
Higher fuel consumption (24 mpg est.)
Higher starting price
Cadillac Ct5
Better fuel economy (26 mpg est.)
Lower starting price ($49,200)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the A4 or Ct5?
The A4 gets 24 mpg est. and the Ct5 gets 26 mpg est. on the combined cycle. The Ct5 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the A4 or Ct5?
The A4 produces 349hp @ 6300 and 369lb-ft @ 3200 of torque while the Ct5 delivers 237hp @ 5000 and 258lb-ft @ 1500-4000 of torque. The A4 is the more powerful option.
What is the price difference between the A4 and Ct5?
The A4 starts from $49,900 and the Ct5 from $49,200. The Ct5 is cheaper by $700 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A4 or the Ct5?
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