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2021 Audi A6
2.9 TFSI Prestige
vs
2025 Audi Rs3
2.5 TFSI

From $74,400 vs From $63,400

Audi A6
Audi A6
2.9 TFSI Prestige
From $74,400
View Full Specs →
VS
Audi Rs3
Audi Rs3
2.5 TFSI
From $63,400
View Full Specs →
At a Glance
Power
444hp
394hp @ 5600
Torque
443lb-ft
369lb-ft @ 2250
Fuel
23 mpg est.
—
Engine
2.9 L/177ci
2.5 L/151ci

Choosing between the Audi A6 and the Audi Rs3 is one of the most common decisions car buyers in the United States face. The Audi A6 delivers 444hp while the Audi Rs3 produces 394hp @ 5600. Pricing starts at $74,400 for the A6 and $63,400 for the Rs3. 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 A62.9 TFSI Prestige 2021 - From $74,400
Audi Rs32.5 TFSI 2025 - From $63,400
Performance
Power Output (hp)
444hp
394hp @ 5600
Torque (lb-ft)
443lb-ft
369lb-ft @ 2250
Engine & Drivetrain
Engine Capacity
2.9 L/177ci
2.5 L/151ci
Engine Layout
V
—
Cylinders
6
5
Fuel Type
Hybrid
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
8
7
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
23 mpg est.
—
Fuel Economy - City (mpg)
18 (2020)mpg
—
Fuel Economy - Highway (mpg)
28 (2020)mpg
—
Fuel Tank Capacity (gal)
19.3gal
14.5gal
Dimensions
Length (in)
195in
178.8in
Width (in)
74.3in
72.9in
Height (in)
56.9in
55.6in
Wheelbase (in)
115.3in
103.6in
Curb Weight (lbs)
4486lbs
3627lbs
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

Which Wins?

Overall Winner
Tie
1 / 4 categories
Performance
A6
Fuel Economy
Tied
Value
Rs3
Practicality
Tied
Audi A6
+Well-rounded specification
-Higher starting price
Audi Rs3
+Lower starting price ($63,400)
-Few notable weaknesses
Frequently Asked Questions
Which has more power, the A6 or Rs3?
The A6 produces 444hp and 443lb-ft of torque while the Rs3 delivers 394hp @ 5600 and 369lb-ft @ 2250 of torque. The A6 is the more powerful option.
What is the price difference between the A6 and Rs3?
The A6 starts from $74,400 and the Rs3 from $63,400. The Rs3 is cheaper by $11,000 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the A6 or the Rs3?
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.

Audi A6 Variants

All A6 Specs →

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