VS
At a Glance
Power
505hp @ 6500
190hp @ 6000
Torque
443lb-ft @ 2500
195lb-ft @ 1700
Fuel
21 mpg est.
31 mpg est.
Engine
2.9 L/176ci
1.6 L/98ci
Choosing between the Alfa Romeo Giulia Quadrifoglio and the KIA K4 is one of the most common decisions car buyers in the United States face. The Alfa Romeo Giulia Quadrifoglio delivers 505hp @ 6500 while the KIA K4 produces 190hp @ 6000. On fuel, the Giulia Quadrifoglio returns 21 mpg est. while the K4 uses 31 mpg est. — important in a market where fuel prices change monthly. Pricing starts at on application for the Giulia Quadrifoglio and $28,390 for the K4. 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
Alfa Romeo Giulia QuadrifoglioQuadrifoglio RWD 2023
KIA K4GT-Line Turbo Sedan 2026 - From $28,390
Performance
Power Output (hp)
505hp @ 6500
190hp @ 6000
Torque (lb-ft)
443lb-ft @ 2500
195lb-ft @ 1700
Engine & Drivetrain
Engine Capacity
2.9 L/176ci
1.6 L/98ci
Engine Layout
V
—
Cylinders
6
4
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
8
8
Drive Wheels
Rear Wheel Drive
Front Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
21 mpg est.
31 mpg est.
Fuel Economy - City (mpg)
17mpg
26 (2025)mpg
Fuel Economy - Highway (mpg)
25mpg
36 (2025)mpg
Fuel Tank Capacity (gal)
15.3gal
12.4gal
Dimensions
Length (in)
182.5in
185.4in
Width (in)
73.7in
72.8in
Height (in)
56.1in
55.9in
Wheelbase (in)
111in
107.1in
Curb Weight (lbs)
3806lbs
3283lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ 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
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
Giulia Quadrifoglio
Fuel Economy
K4
Value
Tied
Practicality
Tied
Pros & Cons
Alfa Romeo Giulia Quadrifoglio
Well-rounded specification
Higher fuel consumption (21 mpg est.)
KIA K4
Better fuel economy (31 mpg est.)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the Giulia Quadrifoglio or K4?
The Giulia Quadrifoglio gets 21 mpg est. and the K4 gets 31 mpg est. on the combined cycle. The K4 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 Giulia Quadrifoglio or K4?
The Giulia Quadrifoglio produces 505hp @ 6500 and 443lb-ft @ 2500 of torque while the K4 delivers 190hp @ 6000 and 195lb-ft @ 1700 of torque. The Giulia Quadrifoglio is the more powerful option.
Should I buy the Giulia Quadrifoglio or the K4?
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