VS
At a Glance
Power
335hp @ 5000
255hp @ 4700
Torque
369lb-ft @ 1370
295lb-ft @ 1600
Fuel
26 mpg est.
31 mpg est.
Engine
3.0 L/183ci
2.0 L/122ci
Choosing between the Audi A6 and the BMW 5 Series is one of the most common decisions car buyers in the United States face. The Audi A6 delivers 335hp @ 5000 while the BMW 5 Series produces 255hp @ 4700. On fuel, the A6 returns 26 mpg est. while the 5 Series uses 31 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $62,600 for the A6 and $60,500 for the 5 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 A6Prestige 55 TFSI quattro 2024 - From $62,600
BMW 5 Series530i xDrive Sedan 2026 - From $60,500
Performance
Power Output (hp)
335hp @ 5000
255hp @ 4700
Torque (lb-ft)
369lb-ft @ 1370
295lb-ft @ 1600
Engine & Drivetrain
Engine Capacity
3.0 L/183ci
2.0 L/122ci
Engine Layout
V
—
Cylinders
6
4
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.)
26 mpg est.
31 mpg est.
Fuel Economy - City (mpg)
22mpg
27mpg
Fuel Economy - Highway (mpg)
30mpg
35mpg
Fuel Tank Capacity (gal)
19.3gal
15.9gal
Dimensions
Length (in)
194.4in
199.2in
Width (in)
74.3in
74.8in
Height (in)
57.4in
59.6in
Wheelbase (in)
115.1in
117.9in
Curb Weight (lbs)
4266lbs
4158lbs
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
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
BMW 5 Series
2 / 4 categories
Performance
A6
Fuel Economy
5 Series
Value
5 Series
Practicality
Tied
Pros & Cons
Audi A6
Well-rounded specification
Higher fuel consumption (26 mpg est.)
Higher starting price
BMW 5 Series
Better fuel economy (31 mpg est.)
Lower starting price ($60,500)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the A6 or 5 Series?
The A6 gets 26 mpg est. and the 5 Series gets 31 mpg est. on the combined cycle. The 5 Series 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 A6 or 5 Series?
The A6 produces 335hp @ 5000 and 369lb-ft @ 1370 of torque while the 5 Series delivers 255hp @ 4700 and 295lb-ft @ 1600 of torque. The A6 is the more powerful option.
What is the price difference between the A6 and 5 Series?
The A6 starts from $62,600 and the 5 Series from $60,500. The 5 Series is cheaper by $2,100 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A6 or the 5 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