VS
At a Glance
Power
450hp @ 8250
335hp
Torque
317lb-ft @ 4000
317lb-ft
Fuel
19 mpg est.
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Engine
4.2 L/254ci
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Choosing between the Audi A5 and the BMW I4 is one of the most common decisions car buyers in the United States face. The Audi A5 delivers 450hp @ 8250 while the BMW I4 produces 335hp. Pricing starts at $77,900 for the A5 and $57,900 for the I4. 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 A5RS 5 2dr Cabriolet 2014 - From $77,900
BMW I4eDrive40 Gran Coupe 2026 - From $57,900
Performance
Power Output (hp)
450hp @ 8250
335hp
Torque (lb-ft)
317lb-ft @ 4000
317lb-ft
Engine & Drivetrain
Engine Capacity
4.2 L/254ci
—
Cylinders
8
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Fuel Type
Gasoline
Electric
Transmission
Auto-Shift Manual w/OD
Automatic
Number of Gears
7
1
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
19 mpg est.
—
Fuel Economy - City (mpg)
16mpg
—
Fuel Economy - Highway (mpg)
22mpg
—
Fuel Tank Capacity (gal)
16.1gal
—
Dimensions
Length (in)
182.1in
188.5in
Width (in)
73in
72.9in
Height (in)
54.4in
57in
Wheelbase (in)
108.3in
112.4in
Curb Weight (lbs)
4045lbs
4680lbs
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
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
1 / 4 categories
Performance
A5
Fuel Economy
Tied
Value
I4
Practicality
Tied
Pros & Cons
Audi A5
Well-rounded specification
Higher starting price
BMW I4
Lower starting price ($57,900)
Few notable weaknesses
Frequently Asked Questions
Which has more power, the A5 or I4?
The A5 produces 450hp @ 8250 and 317lb-ft @ 4000 of torque while the I4 delivers 335hp and 317lb-ft of torque. The A5 is the more powerful option.
What is the price difference between the A5 and I4?
The A5 starts from $77,900 and the I4 from $57,900. The I4 is cheaper by $20,000 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A5 or the I4?
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.