Used Audi S4 for Sale nearKeystone, SD
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,766
- Stock #:
- 003381
- VIN:
- WAUC4AF44JA003381
2018 Audi S4
3.0T quattro Prestige Sedan AWD
57,766 mi
$29,566
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 94,733
- Stock #:
- 111743
- VIN:
- WAUB4AF48KA111743
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
94,733 mi
$27,642
- Year:
- 2012
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 105,645
- Stock #:
- 091156
- VIN:
- WAUKGAFL1CA091156
2012 Audi S4
3.0T quattro Prestige Sedan AWD
105,645 mi
$14,600
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Quantum Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 60,420
- Stock #:
- HL10875
- VIN:
- WAUB4AF41KA031829
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
60,420 mi
$30,903
- Year:
- 2023
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- Automatic
- Mileage:
- 46,075
- Stock #:
- FNF044461
- VIN:
- WAUB4AF43PA044461
2023 Audi S4
3.0T quattro Premium Plus AWD
46,075 mi
$39,361
- Year:
- 2020
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- Automatic
- Mileage:
- 56,150
- Stock #:
- U17245Z
- VIN:
- WAUB4AF45LA060915
2020 Audi S4
3.0T quattro Premium Plus Sedan AWD
56,150 mi
$34,303
- Year:
- 2024
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Magma Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 31,026
- Stock #:
- 26228
- VIN:
- WAUB4AF40RA017480
2024 Audi S4
3.0T quattro Premium Plus AWD
31,026 mi
$43,592
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Daytona Gray Pearl Effect
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Magma Red
- Transmission:
- Automatic
- Mileage:
- 120,474
- Stock #:
- 8054M
- VIN:
- WAUC4AF41JA002463
2018 Audi S4
3.0T quattro Prestige Sedan AWD
120,474 mi
$19,807
- Year:
- 2023
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Chronos Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Magma Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 18,585
- Stock #:
- 2D5847
- VIN:
- WAUB4AF40PA074534
2023 Audi S4
3.0T quattro Premium Plus AWD
18,585 mi
$47,204
- Year:
- 2021
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Turbo Blue
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 39,208
- Stock #:
- 045374
- VIN:
- WAUB4AF48MA045374
2021 Audi S4
3.0T quattro Premium Plus AWD
39,208 mi
$38,030
- Year:
- 2020
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 31,441
- Stock #:
- A039062
- VIN:
- WAUB4AF45LA039062
2020 Audi S4
3.0T quattro Premium Plus Sedan AWD
31,441 mi
$33,424
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 83,389
- Stock #:
- 069752
- VIN:
- WAUB4AF46KA069752
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
83,389 mi
$28,114
- Year:
- 2020
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 42,989
- Stock #:
- C2129
- VIN:
- WAUB4AF49LA058438
2020 Audi S4
3.0T quattro Premium Plus Sedan AWD
42,989 mi
$36,299
Recommended model year:
2019 Audi S4
Shop 2019 Audi S4 »With 148 currently listed for sale and an average price of $28,282.00, 29.1% of 2019 Audi S4s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2019 Audi S4 5 / 5 stars.
70.3% of 2019 Audi S4 models on CarGurus are accident free.
The 2019 Audi S4 features a powerful 3.0-liter twin-scroll turbocharged V6 engine, delivering 354 horsepower and 369 lb-ft of torque, paired with an eight-speed automatic transmission for smooth performance.
- Year:
- 2012
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 92,767
- Stock #:
- CN5063B
- VIN:
- WAUBGAFL2CA118283
2012 Audi S4
3.0T quattro Premium Plus Sedan AWD
92,767 mi
$14,425
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 121,038
- Stock #:
- ND3603A
- VIN:
- WAUB4AF46JA232107
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
121,038 mi
$20,008
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 64,315
- Stock #:
- 014298
- VIN:
- WAUB4AF4XKA014298
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
64,315 mi
$32,064
- Year:
- 2023
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 41,530
- Stock #:
- 5835
- VIN:
- WAUC4AF48PA007751
2023 Audi S4
3.0T quattro Prestige AWD
41,530 mi
$42,164
- Year:
- 2021
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 106,277
- Stock #:
- 26140
- VIN:
- WAUC4AF46MA010837
2021 Audi S4
3.0T quattro Prestige AWD
106,277 mi
$26,983
- Year:
- 2020
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Daytona Gray Pearl Effect
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Magma Red
- Transmission:
- Automatic
- Mileage:
- 65,554
- Stock #:
- A8331
- VIN:
- WAUB4AF48LA059242
2020 Audi S4
3.0T quattro Premium Plus Sedan AWD
65,554 mi
$33,078
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 73,060
- Stock #:
- A005927
- VIN:
- WAUB4AF45JA005927
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
73,060 mi
$28,038
- Year:
- 2023
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Glacier White Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 29,885
- Stock #:
- 27388G
- VIN:
- WAUB4AF4XPA015801
-$1,580
2023 Audi S4
3.0T quattro Premium Plus AWD
29,885 mi
$43,078
$41,498
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 105,762
- Stock #:
- 003887
- VIN:
- WAUC4AF43JA003887
2018 Audi S4
3.0T quattro Prestige Sedan AWD
105,762 mi
$20,676
- Year:
- 2012
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 66,427
- Stock #:
- 115867
- VIN:
- WAUBGAFL9CA115865
2012 Audi S4
3.0T quattro Premium Plus Sedan AWD
66,427 mi
$20,065
FAQs
How much does the Audi S4 cost in Keystone, SD?
How many Audi S4 vehicles in Keystone, SD have no reported accidents or damage?
What fuel types are available?
4.8 Overall rating
Customers say
The Audi S4 is highly regarded for its outstanding performance and luxurious features across multiple model years. Owners consistently praise its powerful engine and exceptional handling, often highlighting the all-wheel drive capability that provides excellent traction in various conditions. The interiors are noted for their quality and comfort, making for a rewarding driving experience. However, some drivers express concerns about high maintenance costs and fuel economy, especially in older models. Overall, the S4 is seen as a fantastic choice for those seeking a blend of sportiness and everyday usability.
AI generated from the text of customer reviews.
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What people say
Dave B
Reviewed a 2024 Audi S4 on Oct 22, 2025
Excellent ride, great power, good gas mileage, loaded with safety features.
Jaykob A
Reviewed a 2022 Audi S4 on Aug 3, 2024
Such an awesome car, very comfortable for daily driving but still fun for spirited drives. Interior build quality is amazing compared to bmw and mercedes. Very good value buying 2-3 years old
Diego G
Reviewed a 2020 Audi 3.0T quattro Premium Plus Sedan AWD on Mar 31, 2026
Absolutely beautiful everything about it. This vehicle is perfect for sport yet daily
Byron L
Reviewed a 2018 Audi 3.0T quattro Premium Plus Sedan AWD on Jun 27, 2025
Smooth car runs nice very nice interior worth the price for all the features
Audi S4 Trims
| Trim type | MSRP |
|---|---|
| 3.0T quattro Prestige AWD | $61,500 |
| 3.0T quattro Premium Plus AWD | $58,800 |
| 3.0 TFSI quattro Technik AWD | -- |
| 3.0T quattro Premium AWD | $54,900 |
Audi S4 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of Audi S4 prices has changed over time.
See more price trendsAudi S4 Pricing Analysis
Pricing Analysis by Model Year
Key Insights
- Significant Depreciation: The 2024 Audi S4 shows a current average price of $45,989, reflecting a -15.9% depreciation from its MSRP, indicating a strong initial drop in value.
- Best Value Year: The 2015 Audi S4 is priced at $16,020, representing a -66.8% depreciation, making it the most affordable option for budget-conscious buyers.
- Older Models Hold Value Better: The 2016 Audi S4 has a current average price of $22,078, which is relatively high compared to its MSRP, indicating better retention of value among older models.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2024 Audi S4 | $54,500 | $45,989 | -15.9% |
| 2023 Audi S4 | $52,800 | $42,623 | -19.3% |
| 2022 Audi S4 | $51,900 | $38,684 | -25.5% |
| 2021 Audi S4 | $49,900 | $34,175 | -31.7% |
| 2020 Audi S4 | $49,900 | $30,592 | -38.8% |
| 2019 Audi S4 | $50,200 | $29,498 | -41.2% |
| 2018 Audi S4 | $51,400 | $24,454 | -52.5% |
| 2016 Audi S4 | $49,200 | $22,078 | -55.2% |
| 2015 Audi S4 | $48,400 | $16,020 | -66.8% |
| 2014 Audi S4 | $48,100 | $17,119 | -64.4% |
| 2013 Audi S4 | $47,600 | $15,209 | -68.1% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Boston: The average price in Boston, MA is $30,845, indicating a premium market likely driven by demand and limited supply.
- Lowest Prices in Houston: Houston, TX offers the lowest average price at $17,583, suggesting a more price-sensitive market with higher inventory levels.
- Price Variability Across Cities: Cities like Dallas, TX ($29,840) and Los Angeles, CA ($28,915) show moderate pricing, reflecting regional demand dynamics.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Boston, MA | 97 | $30,845 |
| Dallas, TX | 81 | $29,840 |
| Los Angeles, CA | 73 | $28,915 |
| Philadelphia, PA | 100 | $28,177 |
| New York, NY | 115 | $27,763 |
| Atlanta, GA | 86 | $24,964 |
| Miami, FL | 66 | $25,296 |
| Chicago, IL | 92 | $26,830 |
| Washington, DC | 112 | $21,681 |
| Houston, TX | 85 | $17,583 |
Pricing by Trim Packages
Key Insights
- Most Common Trim: The 3.0T quattro Premium Plus AWD is the most listed trim with 151 listings, indicating strong demand for this configuration.
- Premium Pricing for Higher Trims: The 3.0T quattro Prestige AWD has the highest MSRP at $61,500, reflecting the added luxury features and technology.
- AWD Dominance: All trims listed are AWD, highlighting a market preference for all-weather capability.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.0T quattro Premium Plus AWD | 151 | $58,800 | AWD | 3.0L 349 hp V6 |
| 3.0T quattro Prestige AWD | 33 | $61,500 | AWD | 3.0L 349 hp V6 |
| 3.0T quattro Premium AWD | 10 | $54,900 | AWD | 3.0L 349 hp V6 |
These recommendations are based on CarGurus' proprietary market data from July 23, 2026, CarGurus experts' opinions, and generative AI.
CarGurus recommends the 2019 Audi S4
Summary
With 148 currently listed for sale and an average price of $28,282.00, 29.1% of 2019 Audi S4s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2019 Audi S4 5 / 5 stars.
70.3% of 2019 Audi S4 models on CarGurus are accident free.
The 2019 Audi S4 features a powerful 3.0-liter twin-scroll turbocharged V6 engine, delivering 354 horsepower and 369 lb-ft of torque, paired with an eight-speed automatic transmission for smooth performance.
Why it stands out
The 2019 Audi S4 is celebrated for its blend of performance and luxury, making it a standout choice in the compact sports sedan segment. With its robust V6 engine and standard Quattro all-wheel drive, the S4 offers exhilarating acceleration and confident handling, ensuring a thrilling driving experience. The interior is crafted with high-quality materials, providing a comfortable and upscale environment for both driver and passengers. Additionally, the S4 is equipped with advanced technology features, including a user-friendly infotainment system and driver assistance options, enhancing both convenience and safety. This combination of power, luxury, and technology makes the 2019 Audi S4 an appealing option for those seeking a sporty yet practical vehicle.
Other model years to consider
- Average price: $43,478.00
- Good/great deal percentage: 34.9%
- Total listings: 152
- Accident-free percentage: 88.8%
- Average price: $24,185.00
- Good/great deal percentage: 32.1%
- Total listings: 134
- Accident-free percentage: 70.9%
These recommendations are based on CarGurus' proprietary market data from July 20, 2026, CarGurus experts' opinions, and generative AI.
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