Used 2018 Audi S4 for Sale near Pennsylvania
36 results
CarGurus Analysis:
2018 Audi S4
With 127 currently listed for sale and an average price of $23,772.00, 31.5% 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.
58.3% of 2018 S4 models on CarGurus are accident free.
CarGurus Analysis: 2018 Audi S4
Summary
With 127 currently listed for sale and an average price of $23,772.00, 31.5% 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.
58.3% of 2018 S4 models on CarGurus are accident free.
Why it stands out
The 2018 Audi S4 is a standout model in the luxury sports sedan segment, known for its blend of performance and elegance. Equipped with a turbocharged V6 engine producing 354 horsepower, this model balances speed and everyday usability, achieving a 0-60 mph time of just 4.4 seconds. Its standard Quattro all-wheel drive ensures excellent traction and stability, making it a reliable choice in various driving conditions. The S4 also boasts an upscale interior with high-quality materials and advanced technology features, including a reconfigurable Virtual Cockpit and optional adaptive cruise control. While it doesn’t offer the most thrilling driving experience compared to some of its rivals, the S4 compensates with a smooth ride and ample comfort. This combination of performance, luxury, and practicality makes the 2018 Audi S4 appealing to a wide range of buyers.
Other model years to consider
- Average price: $44,077.00
- Good/great deal percentage: 31.7%
- Accident-free percentage: 84.5%
- Total listings: 142
- Average price: $28,473.00
- Good/great deal percentage: 30.9%
- User rating: 5 / 5
- Total listings: 136
This analysis is based on CarGurus' proprietary market data from May 25, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles
2025 Audi S4 Pricing, Specs, and Release Date
The 2025 Audi S4, the high-performance version of the the brand's A4 model, returns with its 349-horsepower turbocharged engine and an updated array of features.
Who Makes Audi Cars?
Audi is a German luxury automaker that makes a full line of cars, SUVs, performance vehicles, and EVs. Volkswagen Group owns Audi, and there are multiple Audi models that share platforms with VW counterparts.
Audi S4 Buying Guide: Cost, Reliability, and the Best Years to Buy
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.
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 Average Price in Philadelphia: The city boasts the highest average price at $30,858, indicating robust demand in this market.
- Lowest Price in New York and Chicago: Both cities have closely aligned average prices at $22,143 (New York) and $22,179 (Chicago), highlighting more competitive pricing landscapes.
- Volume and Inventory Influence: The highest number of listings is seen in Boston (37 listings) and Philadelphia (35 listings), where average prices are relatively high, suggesting that listing inventory can support favorable pricing dynamics.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 35 | $30,858 |
| Los Angeles, CA | 25 | $25,496 |
| Dallas, TX | 28 | $23,997 |
| Houston, TX | 28 | $22,996 |
| Chicago, IL | 36 | $22,179 |
| New York, NY | 39 | $22,143 |
| Washington, DC | 38 | $20,265 |
| Boston, MA | 37 | $23,869 |
Pricing Analysis by Model Year
Key Insights
- Recent Models Hold Value: The 2024 Audi S4 is currently averaging $48,009, which is around 12.1% lower than its MSRP, signaling slight depreciation but strong demand for new models.
- Steep Depreciation for Older Models: The 2015 Audi S4 has depreciated significantly, with a current price of $16,421, reflecting a -66.0% depreciation versus its original MSRP.
- Best Value in 2022 Model Year: The 2022 Audi S4 shows a current average price of $40,456, approximately 22.3% below MSRP, representing a balance between affordability and modern features.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2024 Audi S4 | $54,500 | $48,009 | -12.1% |
| 2023 Audi S4 | $52,800 | $43,901 | -16.8% |
| 2022 Audi S4 | $51,900 | $40,456 | -22.3% |
| 2021 Audi S4 | $49,900 | $34,477 | -30.9% |
| 2020 Audi S4 | $49,900 | $31,169 | -37.5% |
| 2019 Audi S4 | $50,200 | $29,066 | -42.0% |
| 2016 Audi S4 | $49,200 | $20,445 | -58.5% |
| 2015 Audi S4 | $48,400 | $16,421 | -66.0% |
| 2014 Audi S4 | $48,100 | $16,050 | -66.7% |
| 2013 Audi S4 | $47,600 | $14,767 | -68.9% |
| 2012 Audi S4 | $47,300 | $12,827 | -72.9% |
These recommendations are based on CarGurus' proprietary market data from May 21, 2026, CarGurus experts' opinions, and generative AI.
