VS
At a Glance
Power
450hp @ 8250
480hp @ 7150
Torque
317lb-ft @ 4000
415lb-ft @ 4900
Fuel
19 mpg est.
20 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 480hp @ 7150. On fuel, the A5 returns 19 mpg est. while the Mustang uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $79,200 for the A5 and $46,560 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 MustangGT Fastback 2026 - From $46,560
Performance
Power Output (hp)
450hp @ 8250
480hp @ 7150
Torque (lb-ft)
317lb-ft @ 4000
415lb-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
Manual
Number of Gears
7
6
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
19 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
16mpg
15 (2025)mpg
Fuel Economy - Highway (mpg)
22mpg
24 (2025)mpg
Fuel Tank Capacity (gal)
16.1gal
16gal
Dimensions
Length (in)
182.1in
189.4in
Width (in)
73in
75.4in
Height (in)
54.4in
55in
Wheelbase (in)
108.3in
107in
Curb Weight (lbs)
4420lbs
3741lbs
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
—
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
—
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Ford Mustang
3 / 4 categories
Performance
Mustang
Fuel Economy
Mustang
Value
Mustang
Practicality
Tied
Pros & Cons
Audi A5
Well-rounded specification
Higher fuel consumption (19 mpg est.)
Higher starting price
Ford Mustang
Better fuel economy (20 mpg est.)
Lower starting price ($46,560)
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 20 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 480hp @ 7150 and 415lb-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 $46,560. The Mustang is cheaper by $32,640 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