VS
At a Glance
Power
261hp @ 6300
523hp @ 6250
Torque
273lb-ft @ 4200
479lb-ft @ 2750
Fuel
28 mpg est.
19 mpg est.
Engine
2.0 L/121ci
3.0 L/183ci
Choosing between the Audi A5 and the BMW 4 Series is one of the most common decisions car buyers in the United States face. The Audi A5 delivers 261hp @ 6300 while the BMW 4 Series produces 523hp @ 6250. On fuel, the A5 returns 28 mpg est. while the 4 Series uses 19 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $46,700 for the A5 and $51,200 for the 4 Series. 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 A5S line Prestige 45 TFSI quattro 2023 - From $46,700
BMW 4 SeriesCompetition xDrive Convertible 2026 - From $51,200
Performance
Power Output (hp)
261hp @ 6300
523hp @ 6250
Torque (lb-ft)
273lb-ft @ 4200
479lb-ft @ 2750
Engine & Drivetrain
Engine Capacity
2.0 L/121ci
3.0 L/183ci
Engine Layout
—
Inline
Cylinders
4
6
Fuel Type
—
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
7
8
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
28 mpg est.
19 mpg est.
Fuel Economy - City (mpg)
24mpg
16mpg
Fuel Economy - Highway (mpg)
32mpg
22mpg
Fuel Tank Capacity (gal)
15.3gal
15.6gal
Dimensions
Length (in)
187.2in
189.1in
Width (in)
72.6in
74.3in
Height (in)
54.6in
54.9in
Wheelbase (in)
111.2in
112.5in
Curb Weight (lbs)
3759lbs
4306lbs
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
—
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
Audi A5
2 / 4 categories
Performance
4 Series
Fuel Economy
A5
Value
A5
Practicality
Tied
Pros & Cons
Audi A5
Better fuel economy (28 mpg est.)
Lower starting price ($46,700)
Few notable weaknesses
BMW 4 Series
Well-rounded specification
Higher fuel consumption (19 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the A5 or 4 Series?
The A5 gets 28 mpg est. and the 4 Series gets 19 mpg est. on the combined cycle. The A5 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 A5 or 4 Series?
The A5 produces 261hp @ 6300 and 273lb-ft @ 4200 of torque while the 4 Series delivers 523hp @ 6250 and 479lb-ft @ 2750 of torque. The 4 Series is the more powerful option.
What is the price difference between the A5 and 4 Series?
The A5 starts from $46,700 and the 4 Series from $51,200. The A5 is cheaper by $4,500 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A5 or the 4 Series?
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