Used 2018 Audi S4 for Sale nearPeoria, IL
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:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 38,728
- Stock #:
- 061291
- VIN:
- WAUB4AF42JA061291
Sponsored by Auto House of Bloomington
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
38,728 mi
$32,372
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 70,338
- Stock #:
- 001946
- VIN:
- WAUB4AF40JA001946
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
70,338 mi
$25,975
- 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:
- 8-Speed Automatic
- Mileage:
- 69,903
- Stock #:
- 913652
- VIN:
- WAUB4AF46JA135540
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
69,903 mi
$27,093
- 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:
- Automatic
- Mileage:
- 63,068
- Stock #:
- 28823072
- VIN:
- WAUC4AF43KA006273
2019 Audi S4
3.0T quattro Prestige Sedan AWD
63,068 mi
$32,347
- 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
$29,527
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 38,728
- Stock #:
- 061291
- VIN:
- WAUB4AF42JA061291
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
38,728 mi
$32,372
- 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:
- Gray
- Transmission:
- Automatic
- Mileage:
- 62,258
- Stock #:
- 28510312
- VIN:
- WAUB4AF47JA002480
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
62,258 mi
$30,897
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Black Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 78,981
- Stock #:
- KA017122P
- VIN:
- WAUB4AF4XKA017122
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
78,981 mi
$28,498
- Year:
- 2019
- 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:
- 8-Speed Automatic
- Mileage:
- 82,041
- Stock #:
- 089568
- VIN:
- WAUB4AF43KA089568
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
82,041 mi
$27,241
- 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
$28,064
- 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
$31,418
- Year:
- 2019
- 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:
- 8-Speed Automatic
- Mileage:
- 77,707
- Stock #:
- 10170
- VIN:
- WAUB4AF45KA003161
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
77,707 mi
$29,593
- 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:
- Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 86,685
- Stock #:
- 042786TK
- VIN:
- WAUB4AF49KA042786
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
86,685 mi
$25,772
CarGurus Analysis:
2018 Audi S4
With 135 currently listed for sale and an average price of $24,512.00, 35.6% of 2018 Audi S4s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 Audi S4 4.67 / 5 stars.
68.1% of 2018 S4 models on CarGurus are accident free.
The 2018 Audi S4 features a powerful 3.0-liter twin-scroll turbocharged V6 engine, producing 354 horsepower and 369 pound-feet of torque, paired with an eight-speed automatic transmission and standard all-wheel drive.
- 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
$19,476
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- BRILLIANT BLACK
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- Automatic
- Mileage:
- 96,592
- Stock #:
- 6104228
- VIN:
- WAUB4AF47JA097722
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
96,592 mi
$25,146
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 61,326
- Stock #:
- 27636047
- VIN:
- WAUB4AF45JA001960
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
61,326 mi
$29,897
- 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
$28,538
- 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:
- 73,027
- Stock #:
- 020491
- VIN:
- WAUA4AF47KA020491
2019 Audi S4
3.0T quattro Premium Sedan AWD
73,027 mi
$28,605
- Year:
- 2019
- 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:
- 128,253
- Stock #:
- 148AKR
- VIN:
- WAUB4AF46KA109148
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
128,253 mi
$19,172
- 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:
- Automatic
- Mileage:
- 40,222
- Stock #:
- 70061416
- VIN:
- WAUB4AF47JA001944
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
40,222 mi
$32,247
- 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
$19,712
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Brilliant Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 60,823
- Stock #:
- 065248
- VIN:
- WAUB4AF48KA065248
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
60,823 mi
$32,168
- 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:
- Automatic
- Mileage:
- 34,883
- Stock #:
- 27583602
- VIN:
- WAUC4AF43KA004510
2019 Audi S4
3.0T quattro Prestige Sedan AWD
34,883 mi
$36,247
CarGurus Analysis: 2018 Audi S4
Summary
With 135 currently listed for sale and an average price of $24,512.00, 35.6% of 2018 Audi S4s for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 Audi S4 4.67 / 5 stars.
68.1% of 2018 S4 models on CarGurus are accident free.
The 2018 Audi S4 features a powerful 3.0-liter twin-scroll turbocharged V6 engine, producing 354 horsepower and 369 pound-feet of torque, paired with an eight-speed automatic transmission and standard all-wheel drive.
Why it stands out
The 2018 Audi S4 is a standout in the luxury performance sedan segment, combining power, sophistication, and advanced technology. With its 3.0-liter twin-scroll turbocharged V6 engine, it delivers an impressive 354 horsepower, allowing for exhilarating acceleration and a zero-to-60 mph time of just 4.4 seconds. The standard Quattro all-wheel drive system enhances traction and stability, making it a joy to drive in various conditions. Inside, the S4 boasts a luxurious and well-appointed cabin, featuring high-quality materials and cutting-edge technology, including the reconfigurable Virtual Cockpit and a user-friendly infotainment system. While it may not be the most athletic handler compared to some rivals, it offers a smooth and comfortable ride, making it an appealing choice for those seeking a blend of performance and everyday usability.
Other model years to consider
- Average price: $27,934.00
- Good/great deal percentage: 33.3%
- User rating: 5 / 5
- Total listings: 144
- Average price: $43,677.00
- Good/great deal percentage: 38.9%
- Total listings: 149
This analysis is based on CarGurus' proprietary market data from July 13, 2026, CarGurus experts' opinions, and generative AI.
4.7 Overall rating
Filter by rating
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
Safiu I
Reviewed a 2018 Audi S4 on Mar 17, 2021
Bought the 2018 Audi S4. I love it. It has everything I wanted. Blind spot monitoring, Head up display, land keep assist pretty much everything. HP is Impressive as well does 354hp with 369 pounds of torque, packs quite a punch . Driving is very smooth and seats have massage capabilities . Definitely a comfort to drive.
Gabrielle S
Reviewed a 2018 Audi S4 on May 13, 2023
Great car. Some items for a 2019 model seem To be outdated. Examples - No built in navigation, side mirrors do not close in and out, other than that. Amazing car
2018 Audi S4 Trims
| Trim type | MSRP |
|---|---|
| 3.0 TFSI quattro Progressiv Sedan AWD | -- |
| 3.0T quattro Premium Plus Sedan AWD | $51,400 |
| 3.0T quattro Prestige Sedan AWD | $55,800 |
| 3.0 TFSI quattro Technik Sedan AWD | -- |
2018 Audi S4 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 Audi S4 prices has changed over time.
See more price trends2018 Audi S4 Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in New York: The New York, NY market commands the highest average price at $24,995, likely due to higher demand and limited supply.
- Lowest Prices in Atlanta: Atlanta, GA offers the lowest average price at $18,973, suggesting a more price-sensitive market or higher inventory turnover.
- Inventory Variation: Cities like Philadelphia (33 listings) and Boston (34 listings) have a strong inventory presence, which correlates with relatively high average prices around $24,161 and $24,392, respectively.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| New York, NY | 31 | $24,995 |
| Philadelphia, PA | 33 | $24,161 |
| Boston, MA | 34 | $24,392 |
| Chicago, IL | 29 | $22,162 |
| Dallas, TX | 27 | $24,995 |
| Washington, DC | 34 | $21,889 |
| Houston, TX | 27 | $21,750 |
| Miami, FL | 23 | $19,362 |
| Los Angeles, CA | 20 | $18,999 |
| Atlanta, GA | 33 | $18,973 |
Pricing Analysis by Model Year
Key Insights
- Significant Depreciation: The 2016 Audi S4 shows a steep decline in value, with an average price of $22,005, reflecting a -55.2% depreciation from its original MSRP.
- Best Value in Recent Models: The 2022 Audi S4 is priced at $39,323, which is -24.5% below its MSRP, indicating a favorable buying opportunity for newer models.
- Newer Models Retain Value: The 2024 Audi S4 is currently priced at $46,041, which is -15.5% below its MSRP, suggesting strong demand for the latest model year.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2024 | $54,500 | $46,041 | -15.5% |
| 2023 | $52,800 | $43,067 | -18.5% |
| 2022 | $51,900 | $39,323 | -24.5% |
| 2021 | $49,900 | $34,746 | -30.5% |
| 2020 | $49,900 | $31,484 | -37.0% |
| 2019 | $50,200 | $28,826 | -42.5% |
| 2016 | $49,200 | $22,005 | -55.2% |
| 2015 | $48,400 | $16,081 | -66.8% |
| 2014 | $48,100 | $17,452 | -63.7% |
| 2013 | $47,600 | $15,071 | -68.3% |
| 2012 | $47,300 | $12,706 | -73.1% |
These recommendations are based on CarGurus' proprietary market data from July 16, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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