Used 2018 Audi S4 for Sale near Providence, RI
39 results
CarGurus Analysis:
2018 Audi S4
With 134 currently listed for sale and an average price of $23,911.00, 29.1% 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.
58.2% of 2018 S4 models on CarGurus are accident-free.
The 2018 Audi S4 is powered by a 3.0-liter twin-scroll turbocharged V6 engine, delivering 354 horsepower and a sporty driving experience, with standard all-wheel drive for enhanced traction.
CarGurus Analysis: 2018 Audi S4
Summary
With 134 currently listed for sale and an average price of $23,911.00, 29.1% 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.
58.2% of 2018 S4 models on CarGurus are accident-free.
The 2018 Audi S4 is powered by a 3.0-liter twin-scroll turbocharged V6 engine, delivering 354 horsepower and a sporty driving experience, with standard all-wheel drive for enhanced traction.
Why it stands out
The 2018 Audi S4 stands out for its combination of performance and luxury, serving as a sporty upgrade to the A4 model. With its robust 3.0-liter V6 engine generating 354 horsepower and 369 pound-feet of torque, it delivers exhilarating acceleration without sacrificing everyday usability. Standard all-wheel drive ensures that power is distributed effectively, enhancing stability and control. Additionally, the interior reflects Audi's commitment to quality, with luxurious materials and a well-thought-out design that prioritizes driver comfort and technology. While it might not be as agile as competitors from BMW or Mercedes, the S4 is celebrated for its smooth ride and overall driving experience. Moreover, the diverse range of included features, such as advanced infotainment systems, adds considerable value for tech-savvy buyers.
Other model years to consider
- Average price: $28,786.00
- Good/great deal percentage: 28.7%
- User rating: 5 / 5
- Total listings: 143
- Average price: $44,028.00
- Good/great deal percentage: 32.2%
- Accident-free percentage: 83.6%
- Total listings: 146
This analysis is based on CarGurus' proprietary market data from June 1, 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 Prices in Philadelphia: The highest average price can be found in Philadelphia, PA ($30,914), indicating a strong demand for premium vehicles in urban markets.
- Lowest Price in New York: New York, NY ($21,752) offers the lowest average price among the cities, suggesting a price-sensitive market or possibly higher inventory turnover.
- Regional Variations: Cities like Los Angeles ($25,191) and Dallas ($24,564) present intermediate pricing levels, which may reflect regional preferences or market dynamics influenced by availability and demand.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 37 | $30,914 |
| Dallas, TX | 32 | $24,564 |
| Los Angeles, CA | 28 | $25,191 |
| Chicago, IL | 34 | $23,357 |
| Boston, MA | 37 | $23,327 |
| Houston, TX | 31 | $22,996 |
| New York, NY | 40 | $21,752 |
| Washington, DC | 40 | $21,855 |
Pricing Analysis by Model Year
Key Insights
- Strong Retention on New Models: The 2024 Audi S4 is priced at $47,721, which is approximately -12.6% below its MSRP, indicating a minor depreciation relative to its original price reflective of strong demand.
- Oldest Models Exhibit Significant Depreciation: The older models like the 2012 Audi S4 show the most substantial depreciation, with an average price of $12,680, down -73.3% from its original MSRP.
- Mid-Year Models Offer Good Value: The pricing for mid-year models such as the 2020 and 2021 Audi S4 reflects notable savings compared to their MSRP by approximately -38.9% and -30.9%, respectively, indicating they may present good value to buyers.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2024 Audi S4 | $54,500 | $47,721 | -12.6% |
| 2023 Audi S4 | $52,800 | $43,695 | -17.3% |
| 2022 Audi S4 | $51,900 | $39,662 | -23.5% |
| 2021 Audi S4 | $49,900 | $34,437 | -30.9% |
| 2020 Audi S4 | $49,900 | $30,391 | -38.9% |
| 2019 Audi S4 | $50,200 | $29,086 | -42.1% |
| 2016 Audi S4 | $49,200 | $21,416 | -56.4% |
| 2015 Audi S4 | $48,400 | $17,120 | -64.7% |
| 2014 Audi S4 | $48,100 | $15,857 | -67.0% |
| 2013 Audi S4 | $47,600 | $14,881 | -68.7% |
| 2012 Audi S4 | $47,300 | $12,680 | -73.3% |
These recommendations are based on CarGurus' proprietary market data from May 28, 2026, CarGurus experts' opinions, and generative AI.
