Used 2018 Audi S4 for Sale nearPhiladelphia, PA
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
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 69,821
- Stock #:
- 3006
- VIN:
- WAUC4AF43JA132292
Sponsored by Evolution Imports Inc
2018 Audi S4
3.0T quattro Prestige Sedan AWD
69,821 mi
$25,468
- 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
- Transmission:
- Automatic
- Mileage:
- 31,184
- Stock #:
- L26419A
- VIN:
- WAUB4AF4XKA119701
Sponsored Listing
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
31,184 mi
$35,270
- 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:
- 69,821
- Stock #:
- 3006
- VIN:
- WAUC4AF43JA132292
2018 Audi S4
3.0T quattro Prestige Sedan AWD
69,821 mi
$25,468
- 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:
- Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 66,668
- Stock #:
- EA002173
- VIN:
- WAUB4BF41JA002173
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
66,668 mi
$27,675
- 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
- Transmission:
- Automatic
- Mileage:
- 31,184
- Stock #:
- L26419A
- VIN:
- WAUB4AF4XKA119701
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
31,184 mi
$35,270
- 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
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 99,171
- Stock #:
- NG108451A
- VIN:
- WAUB4AF47JA232018
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
99,171 mi
$19,679
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Exterior color:
- Black Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 65,698
- Stock #:
- 172978
- VIN:
- WAUB4AF41JA172978
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
65,698 mi
$24,778
- 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
- Transmission:
- Automatic
- Mileage:
- 110,771
- Stock #:
- 03200D
- VIN:
- WAUB4AF42JA003200
-$1,000
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
110,771 mi
$20,358
$19,358
- 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
$31,961
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Glacier White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 39,704
- Stock #:
- 1TC3993A
- VIN:
- WAUB4AF40KA023740
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
39,704 mi
$33,918
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 75,414
- Stock #:
- 042946
- VIN:
- WAUA4AF40KA042946
2019 Audi S4
3.0T quattro Premium Sedan AWD
75,414 mi
$25,089
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 70,949
- Stock #:
- 13840YA
- VIN:
- WAUA4AF4XKA032554
2019 Audi S4
3.0T quattro Premium Sedan AWD
70,949 mi
$28,902
- 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:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 56,824
- Stock #:
- 034651
- VIN:
- WAUB4AF41KA034651
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
56,824 mi
$32,079
CarGurus Analysis:
2018 Audi S4
With 131 currently listed for sale and an average price of $23,628.00, 29.8% 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.
78.6% of 2018 S4 models on CarGurus are accident free.
- 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:
- 59,610
- Stock #:
- B60142P
- VIN:
- WAUB4AF45KA003516
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
59,610 mi
$31,280
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Red
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 33,972
- Stock #:
- 28787830
- VIN:
- WAUB4AF48KA030628
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
33,972 mi
$35,998
- 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
$19,494
- 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:
- WAUB4AF46KA109149
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
128,253 mi
$19,214
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Red
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 72,260
- Stock #:
- 049367CL
- VIN:
- WAUB4BF45KA049367
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
72,260 mi
$29,678
- Year:
- 2019
- 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:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,634
- Stock #:
- 70015252
- VIN:
- WAUB4AF47KA112625
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
58,634 mi
$31,997
- 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:
- Gray
- Transmission:
- Automatic
- Mileage:
- 119,649
- Stock #:
- 17308
- VIN:
- WAUC4AF49JA010620
2018 Audi S4
3.0T quattro Prestige Sedan AWD
119,649 mi
$18,011
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 49,220
- Stock #:
- B009820
- VIN:
- WAUB4AF47JA009820
Preparing for a close up...
Photos coming soon
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
49,220 mi
No Price Listed
- 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:
- 74,980
- Stock #:
- 043513
- VIN:
- WAUB4AF41KA043513
Preparing for a close up...
Photos coming soon
2019 Audi S4
3.0T quattro Premium Plus Sedan AWD
74,980 mi
No Price Listed
- Year:
- 2019
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 349 hp 3L V6
- Exterior color:
- Navarra Blue Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 47,656
- Stock #:
- 19892
- VIN:
- WAUC4AF48KA105803
2019 Audi S4
3.0T quattro Prestige Sedan AWD
47,656 mi
$38,534
CarGurus Analysis: 2018 Audi S4
Summary
With 131 currently listed for sale and an average price of $23,628.00, 29.8% 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.
78.6% of 2018 S4 models on CarGurus are accident free.
Why it stands out
The 2018 Audi S4 is a standout in the luxury performance sedan segment, offering a blend of power, comfort, and advanced technology. It features a robust 3.0-liter twin-scroll turbocharged V6 engine that produces 354 horsepower, paired with an eight-speed automatic transmission and standard Quattro all-wheel drive, ensuring excellent traction and handling. The S4's interior is both luxurious and functional, equipped with high-quality materials and the latest infotainment technology, including a reconfigurable Virtual Cockpit. While it may not be the most athletic option compared to rivals like the BMW M340i, it excels in providing a smooth and comfortable ride, making it appealing for those who prioritize a refined driving experience. Additionally, the 2018 model benefits from a solid reliability rating and a good balance of features, making it a compelling choice for buyers looking for a used luxury sedan.
Other model years to consider
- Average price: $29,485.00
- Good/great deal percentage: 28.6%
- User rating: 5 / 5
- Total listings: 147
- Average price: $43,029.00
- Good/great deal percentage: 36.6%
- Total listings: 142
This analysis is based on CarGurus' proprietary market data from August 3, 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: Philadelphia, PA Market Report
Pricing by Nearby Locations
Market Area: Philadelphia, PA
Key Insights
- Lowest Prices in Allentown: The market in Allentown, PA ($22,094) offers the most competitive pricing, likely due to higher inventory levels and lower demand.
- Highest Prices in Atlantic City: Conversely, Atlantic City, NJ ($26,995) commands the highest average price, which may reflect a more affluent buyer demographic or lower inventory.
- Moderate Pricing Across the Region: Cities like Newark, DE ($23,214) and New Brunswick, NJ ($24,214) show average prices that are relatively close to the regional average, indicating stable demand.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Atlantic City, NJ | 32 | $26,995 |
| Toms River, NJ | 31 | $25,497 |
| New York, NY | 34 | $24,929 |
| New Brunswick, NJ | 35 | $24,214 |
| Newark, DE | 38 | $23,214 |
| Reading, PA | 38 | $22,916 |
| Trenton, NJ | 36 | $23,856 |
| Lancaster, PA | 36 | $23,458 |
| Allentown, PA | 34 | $22,094 |
Pricing Analysis by Model Year
Key Insights
- Significant Depreciation for Older Models: The 2016 Audi S4 shows a steep decline, priced at $22,995, which is -53.7% compared to its original MSRP, indicating strong depreciation over time.
- Best Value in Recent Models: The 2021 Audi S4 is priced at $27,799, reflecting a modest depreciation of -44.1%, making it a compelling option for buyers seeking a balance of price and features.
- Newer Models Retain Value: The 2023 Audi S4 is currently priced at $40,498, which is -23.1% below its MSRP, suggesting that while it depreciates, it retains more value compared to older models.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2023 | $52,800 | $40,498 | -23.1% |
| 2021 | $49,900 | $27,799 | -44.1% |
| 2020 | $49,900 | $30,995 | -38.0% |
| 2019 | $50,200 | $33,394 | -33.4% |
| 2016 | $49,200 | $22,995 | -53.7% |
These recommendations are based on CarGurus' proprietary market data from July 30, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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Discover the ultimate buying guide for purchasing a used Audi S4, covering every generation since 2000. Whether you're a first-time buyer or a Audi enthusiast, this comprehensive overview will help you research your next pre-owned Audi S4.
