VS
At a Glance
Power
261hp @ 6300
671hp @ 6750
Torque
273lb-ft @ 4200
752lb-ft @ 5000
Fuel
28 mpg est.
20 mpg est.
Engine
2.0 L/121ci
2.0 L/121ci
Choosing between the Audi A5 and the Mercedes-Benz Glc Class is one of the most common decisions car buyers in the United States face. The Audi A5 delivers 261hp @ 6300 while the Mercedes-Benz Glc Class produces 671hp @ 6750. On fuel, the A5 returns 28 mpg est. while the Glc Class uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $46,700 for the A5 and $49,550 for the Glc Class. 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 Premium 45 TFSI quattro 2023 - From $46,700
Mercedes-Benz Glc ClassAMG GLC 63 S E Performance 4MATIC SUV 2026 - From $49,550
Performance
Power Output (hp)
261hp @ 6300
671hp @ 6750
Torque (lb-ft)
273lb-ft @ 4200
752lb-ft @ 5000
Engine & Drivetrain
Engine Capacity
2.0 L/121ci
2.0 L/121ci
Cylinders
4
4
Fuel Type
—
Plug-In Hybrid
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
7
—
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
28 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
24mpg
19 (Est)mpg
Fuel Economy - Highway (mpg)
32mpg
21 (Est)mpg
Fuel Tank Capacity (gal)
15.3gal
17.2gal
Dimensions
Length (in)
184.9in
187in
Width (in)
72.7in
75.6in
Height (in)
54in
64.4in
Wheelbase (in)
108.8in
113.7in
Curb Weight (lbs)
3682lbs
5115lbs
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
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Trailer Hitch
—
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Audi A5
2 / 4 categories
Performance
Glc Class
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
Mercedes-Benz Glc Class
Well-rounded specification
Higher fuel consumption (20 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the A5 or Glc Class?
The A5 gets 28 mpg est. and the Glc Class gets 20 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 Glc Class?
The A5 produces 261hp @ 6300 and 273lb-ft @ 4200 of torque while the Glc Class delivers 671hp @ 6750 and 752lb-ft @ 5000 of torque. The Glc Class is the more powerful option.
What is the price difference between the A5 and Glc Class?
The A5 starts from $46,700 and the Glc Class from $49,550. The A5 is cheaper by $2,850 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A5 or the Glc Class?
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