VS
At a Glance
Power
261hp @ 5000
360hp @ 5400
Torque
273lb-ft @ 1600
405lb-ft @ 2350-4000
Fuel
28 mpg est.
22 mpg est.
Engine
2.0 L/121ci
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Choosing between the Audi A6 and the Cadillac Ct5 V is one of the most common decisions car buyers in the United States face. The Audi A6 delivers 261hp @ 5000 while the Cadillac Ct5 V produces 360hp @ 5400. On fuel, the A6 returns 28 mpg est. while the Ct5 V uses 22 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $58,100 for the A6 and $58,300 for the Ct5 V. 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 A6Premium Plus 45 TFSI quattro 2025 - From $58,100
Cadillac Ct5 V4dr Sdn 2026 - From $58,300
Performance
Power Output (hp)
261hp @ 5000
360hp @ 5400
Torque (lb-ft)
273lb-ft @ 1600
405lb-ft @ 2350-4000
Engine & Drivetrain
Engine Capacity
2.0 L/121ci
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Engine Layout
—
V
Cylinders
4
6
Fuel Type
—
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
7
—
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
28 mpg est.
22 mpg est.
Fuel Economy - City (mpg)
24mpg
18mpg
Fuel Economy - Highway (mpg)
31mpg
27mpg
Fuel Tank Capacity (gal)
19.3gal
17.4gal
Dimensions
Length (in)
194.4in
193.8in
Width (in)
74.3in
74.1in
Height (in)
57.4in
57.2in
Wheelbase (in)
115.1in
116in
Curb Weight (lbs)
4101lbs
3974lbs
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
Tie
1 / 4 categories
Performance
Ct5 V
Fuel Economy
A6
Value
Tied
Practicality
Tied
Pros & Cons
Audi A6
Better fuel economy (28 mpg est.)
Lower starting price ($58,100)
Few notable weaknesses
Cadillac Ct5 V
Well-rounded specification
Higher fuel consumption (22 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the A6 or Ct5 V?
The A6 gets 28 mpg est. and the Ct5 V gets 22 mpg est. on the combined cycle. The A6 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 A6 or Ct5 V?
The A6 produces 261hp @ 5000 and 273lb-ft @ 1600 of torque while the Ct5 V delivers 360hp @ 5400 and 405lb-ft @ 2350-4000 of torque. The Ct5 V is the more powerful option.
What is the price difference between the A6 and Ct5 V?
The A6 starts from $58,100 and the Ct5 V from $58,300, a difference of just $200, which is negligible. At this price point the two are essentially tied on starting price. Final on-the-road pricing varies by dealer and specification.
Should I buy the A6 or the Ct5 V?
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