VS
At a Glance
Power
147hp @ 6200
186hp @ 6000
Torque
132lb-ft @ 4500
186lb-ft @ 4000
Engine
2.0 L/122cc
2.5 L/152cc
Choosing between the KIA K4 and the Mazda Mazda3 is one of the most common decisions car buyers in the United States face. The KIA K4 delivers 147hp @ 6200 while the Mazda Mazda3 produces 186hp @ 6000. Pricing starts at $23,390 for the K4 and $31,450 for the Mazda3. 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)
147hp @ 6200
186hp @ 6000
Torque (lb-ft)
132lb-ft @ 4500
186lb-ft @ 4000
Engine & Drivetrain
Engine Capacity
2.0 L/122cc
2.5 L/152cc
Cylinders
4
4
Fuel Type
Gasoline
Gasoline
Transmission
Automatic
Manual
Number of Gears
—
6
Drive Wheels
Front Wheel Drive
Front Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
29 (2025)mpg
25 (Est)mpg
Fuel Economy - Highway (mpg)
39 (2025)mpg
34 (Est)mpg
Fuel Tank Capacity (gal)
12.4gal
13.2gal
Dimensions
Length (in)
185.4in
175.6in
Width (in)
72.8in
70.7in
Height (in)
55.9in
56.7in
Wheelbase (in)
107.1in
107.3in
Curb Weight (lbs)
2956lbs
3058lbs
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
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Sunroof
—
✓ Standard
Heated Seats
—
✓ Standard
Power Seat Adjustment
—
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
KIA K4
1 / 4 categories
Performance
Tied
Fuel Economy
Tied
Value
K4
Practicality
Tied
Pros & Cons
KIA K4
Lower starting price ($23,390)
Few notable weaknesses
Mazda Mazda3
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the K4 or Mazda3?
The K4 produces 147hp @ 6200 and 132lb-ft @ 4500 of torque while the Mazda3 delivers 186hp @ 6000 and 186lb-ft @ 4000 of torque. They produce similar power outputs.
What is the price difference between the K4 and Mazda3?
The K4 starts from $23,390 and the Mazda3 from $31,450. The K4 is cheaper by $8,060 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the K4 or the Mazda3?
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