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Audi S6 Sedan vs BMW X3 - Differences and prices compared

Compare performance (444 HP vs 393 HP), trunk space and price (75,900 $ vs 50,000 $ ) at a glance. See which model fits your needs and budget better – Audi S6 Sedan or BMW X3?

Audi S6 Sedan vs BMW X3: Key differences

Audi S6 Sedan

  • slightly more power
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BMW X3

  • significantly cheaper
  • barely more efficient
  • very slightly lighter
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Here’s where it gets real: The technical differences in detail

S6 Sedan

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BMW X3 is significantly cheaper – starting at 50,000 $ , while the Audi S6 Sedan costs 75,900 $ . That’s a price difference of around 25,950 $.

When it comes to city fuel economy, the BMW X3 performs barely better – achieving 21 mpg, compared to 19 mpg for the Audi S6 Sedan. That’s a difference of about 2 mpg.

X3

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi S6 Sedan offers slightly more power – delivering 444 HP compared to 393 HP. That’s roughly 51 HP more horsepower.

There’s also a difference in torque: the Audi S6 Sedan delivers barely more torque with 442 lb-ft compared to 428 lb-ft. That’s about 14 lb-ft more.

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW X3 is very slightly lighter – 4,176 lbs compared to 4,519 lbs. The difference is around 343 lbs.

Who wins the race in the data check?

The BMW X3 is clearly ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $50,000
X3

BMW X3

  • Engine Type :
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 255 - 393 HP
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Audi S6 Sedan
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

General
View detailed analysis

Audi S6 Sedan

The Audi S6 Sedan is a captivating blend of performance and luxury, offering a thrilling yet refined driving experience. Its sporty design is complemented by a sophisticated interior that boasts high-end materials and advanced technology. With precision engineering and dynamic handling, the S6 Sedan seamlessly combines practicality with the excitement of a sports car.

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Reviews Audi S6 Sedan

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BMW X3

The BMW X3 blends real-world practicality with that familiar Bavarian poise, turning everyday errands into a small celebration of good steering. Inside, it feels classy without shouting, and the ride has the calm confidence that makes you invent detours just to keep driving.

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Audi S6 Sedan
BMW X3

Costs and Consumption
Price
75,900 - 84,100 $
Price
50,000 - 64,700 $
FuelEconomy City
19 mpg
FuelEconomy City
21 mpg
FuelEconomy Hwy
27 MPG
FuelEconomy Hwy
26 - 28 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
19.3 gal
Fuel tank capacity
17.2 gal

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
4,519 lbs
Curb weight
4,176 - 4,535 lbs
Trunk Volume
13.7 cu. ft.
Trunk Volume
-
Length
195 in.
Length
187.2 in.
Width
74.3 in.
Width
75.6 in.
Height
56 in.
Height
65 in.

Engine and Performance
Engine Type
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
444 HP
Power HP
255 - 393 HP
Torque
442 lb-ft
Torque
295 - 428 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
2.9 L
Engine Displacement
2 - 3 L
Gears
-
Gears
-

General
Model Year
2025
Model Year
2025
Brand
Audi
Brand
BMW
What is the price of the Audi S6 Sedan?

Base pricing begins at 75,900 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.