VS
At a Glance
Power
450hp @ 8250
500hp @ 5000
Torque
317lb-ft @ 4000
418lb-ft @ 4900
Fuel
19 mpg est.
19 mpg est.
Engine
4.2 L/254ci
5.0 L/302ci
Choosing between the Audi A5 and the Ford Mustang is one of the most common decisions car buyers in the United States face. The Audi A5 delivers 450hp @ 8250 while the Ford Mustang produces 500hp @ 5000. On fuel, the A5 returns 19 mpg est. while the Mustang uses 19 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $79,200 for the A5 and $63,080 for the Mustang. 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 2015 - From $79,200
Ford MustangDark Horse Fastback 2026 - From $63,080
Performance
Power Output (hp)
450hp @ 8250
500hp @ 5000
Torque (lb-ft)
317lb-ft @ 4000
418lb-ft @ 4900
Engine & Drivetrain
Engine Capacity
4.2 L/254ci
5.0 L/302ci
Cylinders
8
8
Fuel Type
Gasoline
Gasoline
Transmission
Auto-Shift Manual w/OD
Automatic
Number of Gears
7
6
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
19 mpg est.
19 mpg est.
Fuel Economy - City (mpg)
16mpg
15 (2025)mpg
Fuel Economy - Highway (mpg)
22mpg
23 (2025)mpg
Fuel Tank Capacity (gal)
16.1gal
16gal
Dimensions
Length (in)
182.1in
189.7in
Width (in)
73in
76.1in
Height (in)
54.4in
55.2in
Wheelbase (in)
108.3in
107in
Curb Weight (lbs)
4420lbs
3879lbs
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
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Ford Mustang
2 / 4 categories
Performance
Mustang
Fuel Economy
Tied
Value
Mustang
Practicality
Tied
Pros & Cons
Audi A5
Well-rounded specification
Higher starting price
Ford Mustang
Lower starting price ($63,080)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the A5 or Mustang?
The A5 gets 19 mpg est. and the Mustang gets 19 mpg est. on the combined cycle. The Mustang 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 Mustang?
The A5 produces 450hp @ 8250 and 317lb-ft @ 4000 of torque while the Mustang delivers 500hp @ 5000 and 418lb-ft @ 4900 of torque. The Mustang is the more powerful option.
What is the price difference between the A5 and Mustang?
The A5 starts from $79,200 and the Mustang from $63,080. The Mustang is cheaper by $16,120 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A5 or the Mustang?
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