VS
At a Glance
Power
668hp @ 6500
375hp @ 5800
Torque
659lb-ft @ 3600
391lb-ft @ 1300
Fuel
16 mpg est.
20 mpg est.
Engine
6.2L/376ci
3.5 L/212ci
Choosing between the Cadillac Ct5 V and the Genesis G80 is one of the most common decisions car buyers in the United States face. The Cadillac Ct5 V delivers 668hp @ 6500 while the Genesis G80 produces 375hp @ 5800. On fuel, the Ct5 V returns 16 mpg est. while the G80 uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $58,300 for the Ct5 V and $78,350 for the G80. 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
Cadillac Ct5 V4dr Sdn Blackwing 2026 - From $58,300
Genesis G803.5T Sport Prestige AWD 2026 - From $78,350
Performance
Power Output (hp)
668hp @ 6500
375hp @ 5800
Torque (lb-ft)
659lb-ft @ 3600
391lb-ft @ 1300
Engine & Drivetrain
Engine Capacity
6.2L/376ci
3.5 L/212ci
Engine Layout
—
V
Cylinders
8
6
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Supercharged
Turbocharged
Transmission
Manual
Automatic
Number of Gears
6
8
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
16 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
13mpg
16 (2025)mpg
Fuel Economy - Highway (mpg)
20mpg
24 (2025)mpg
Fuel Tank Capacity (gal)
17.4gal
19.3gal
Dimensions
Length (in)
194.9in
197in
Width (in)
74.1in
75.8in
Height (in)
56.5in
57.7in
Wheelbase (in)
116in
118.5in
Curb Weight (lbs)
4123lbs
4508lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ 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 Ct5 V
2 / 4 categories
Performance
Ct5 V
Fuel Economy
G80
Value
Ct5 V
Practicality
Tied
Pros & Cons
Cadillac Ct5 V
Lower starting price ($58,300)
Higher fuel consumption (16 mpg est.)
Genesis G80
Better fuel economy (20 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the Ct5 V or G80?
The Ct5 V gets 16 mpg est. and the G80 gets 20 mpg est. on the combined cycle. The G80 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 Ct5 V or G80?
The Ct5 V produces 668hp @ 6500 and 659lb-ft @ 3600 of torque while the G80 delivers 375hp @ 5800 and 391lb-ft @ 1300 of torque. The Ct5 V is the more powerful option.
What is the price difference between the Ct5 V and G80?
The Ct5 V starts from $58,300 and the G80 from $78,350. The Ct5 V is cheaper by $20,050 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the Ct5 V or the G80?
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