VS
At a Glance
Power
394hp @ 5850
290hp @ 5800
Torque
354lb-ft @ 1700
311lb-ft @ 1650
Fuel
24 mpg est.
28 mpg est.
Engine
2.5 L/151ci
2.5 L/152ci
Choosing between the Audi A3 and the Hyundai Sonata is one of the most common decisions car buyers in the United States face. The Audi A3 delivers 394hp @ 5850 while the Hyundai Sonata produces 290hp @ 5800. On fuel, the A3 returns 24 mpg est. while the Sonata uses 28 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $56,200 for the A3 and $35,900 for the Sonata. 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)
394hp @ 5850
290hp @ 5800
Torque (lb-ft)
354lb-ft @ 1700
311lb-ft @ 1650
Engine & Drivetrain
Engine Capacity
2.5 L/151ci
2.5 L/152ci
Cylinders
5
4
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Auto-Shift Manual w/OD
Number of Gears
7
8
Drive Wheels
All Wheel
Front Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
24 mpg est.
28 mpg est.
Fuel Economy - City (mpg)
19mpg
23 (2025)mpg
Fuel Economy - Highway (mpg)
28mpg
32 (2025)mpg
Fuel Tank Capacity (gal)
14.5gal
15.9gal
Dimensions
Length (in)
176.3in
193.3in
Width (in)
70.7in
73.2in
Height (in)
55in
56.9in
Wheelbase (in)
103.6in
111.8in
Curb Weight (lbs)
3593lbs
3534lbs
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
—
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
Hyundai Sonata
2 / 4 categories
Performance
A3
Fuel Economy
Sonata
Value
Sonata
Practicality
Tied
Pros & Cons
Audi A3
Well-rounded specification
Higher fuel consumption (24 mpg est.)
Higher starting price
Hyundai Sonata
Better fuel economy (28 mpg est.)
Lower starting price ($35,900)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the A3 or Sonata?
The A3 gets 24 mpg est. and the Sonata gets 28 mpg est. on the combined cycle. The Sonata 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 A3 or Sonata?
The A3 produces 394hp @ 5850 and 354lb-ft @ 1700 of torque while the Sonata delivers 290hp @ 5800 and 311lb-ft @ 1650 of torque. The A3 is the more powerful option.
What is the price difference between the A3 and Sonata?
The A3 starts from $56,200 and the Sonata from $35,900. The Sonata is cheaper by $20,300 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A3 or the Sonata?
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