Used 2018 Audi S4 for Sale near Quincy, IL
27 results
CarGurus Analysis:
2018 Audi S4
With 136 currently listed for sale and an average price of $24,003.00, 30.1% 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.
61.8% of 2018 Audi S4 models on CarGurus are accident free.
The 2018 Audi S4 is powered by a 3.0-liter twin-scroll turbocharged V6 engine producing 354 horsepower, offering a thrilling performance alongside luxurious interior features.
CarGurus Analysis: 2018 Audi S4
Summary
With 136 currently listed for sale and an average price of $24,003.00, 30.1% 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.
61.8% of 2018 Audi S4 models on CarGurus are accident free.
The 2018 Audi S4 is powered by a 3.0-liter twin-scroll turbocharged V6 engine producing 354 horsepower, offering a thrilling performance alongside luxurious interior features.
Why it stands out
The 2018 Audi S4 continues the tradition of providing a performance-oriented driving experience while maintaining luxurious comforts. Its strong twin-scroll turbocharged V6 engine delivers impressive acceleration (0-60 mph in 4.4 seconds) combined with the practicality of all-wheel drive, standard on all models. The S4 is designed for those who appreciate a blend of sportiness and everyday usability, making it a solid choice for both commuting and spirited drives. Moreover, the vehicle's lack of a V8 engine in favor of a more efficient and reliable V6 contributes to lower maintenance costs, exemplifying a balance between performance and practicality. Enhanced with sophisticated technology such as a reconfigurable Virtual Cockpit and optional adaptive cruise control, the 2018 Audi S4 is an appealing option for buyers looking for a compact luxury sports sedan with a great mix of comfort, performance, and modern features.
Other model years to consider
- Average price: $28,252.00
- Good/great deal percentage: 31.1%
- User rating: 5 / 5
- Total listings: 148
- Average price: $44,008.00
- Good/great deal percentage: 33.8%
- Total listings: 136
This analysis is based on CarGurus' proprietary market data from May 4, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles
2025 Audi S4 Pricing, Specs, and Release Date
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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
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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
- Most Affordable in New York City: The lowest average price is observed in New York, NY ($19,799), indicating a likely higher inventory and regional demand for this model.
- Highest Prices in Philadelphia: Philadelphia, PA ($27,900) commands the highest average price, suggesting limited supply or higher demand in that market.
- Pricing Consistency: Markets like Chicago, IL (34 listings) and Dallas, TX (27 listings) show relatively stable averages around $23,416 and $21,728, reflecting a balanced inventory and pricing landscape.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 30 | $27,900 |
| Los Angeles, CA | 27 | $24,876 |
| Boston, MA | 36 | $24,329 |
| Chicago, IL | 34 | $23,416 |
| Houston, TX | 28 | $22,996 |
| Dallas, TX | 27 | $21,728 |
| Washington, DC | 35 | $20,632 |
| Miami, FL | 23 | $19,995 |
| New York, NY | 35 | $19,799 |
Pricing by Trim Packages
Key Insights
- Dominance of the Premium Plus Trim: The 3.0T quattro Premium Plus Sedan AWD (179 listings) is the most common configuration, reflecting significant market demand for features like leather seats and advanced tech.
- Prestige Trim Availability: The 3.0T quattro Prestige Sedan AWD (65 listings) brings a higher MSRP of $55,800, justifying its premium positioning with additional luxury features.
- AWD Appeal: Both trims offer all-wheel drive, indicating strong regional preferences for AWD in the market.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.0T quattro Premium Plus Sedan AWD | 179 | $51,400 | AWD | 3.0L 354 hp V6 |
| 3.0T quattro Prestige Sedan AWD | 65 | $55,800 | AWD | 3.0L 354 hp V6 |
Pricing Analysis by Model Year
Key Insights
- Depreciation Trends: The 2024 model is currently $46,878, reflecting a strong demand as it's still priced -14.3% below its starting MSRP.
- Best Value in Older Models: Notably, the 2016 Audi S4 averages $20,445, translating to significant depreciation at -58.4% from its original MSRP, providing a potential bargain for shoppers on a budget.
- Moderate Decline in 2-4 Year Range: Prices for models from 2021 to 2022 remain relatively stable with only modest depreciation of around -5.9% to -11.1%, indicating slow depreciation and sustained demand.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2024 Audi S4 | $54,500 | $46,878 | -14.3% |
| 2023 Audi S4 | $52,800 | $43,517 | -17.6% |
| 2022 Audi S4 | $51,900 | $39,572 | -23.8% |
| 2021 Audi S4 | $49,900 | $34,372 | -31.0% |
| 2020 Audi S4 | $49,900 | $31,062 | -37.7% |
| 2019 Audi S4 | $50,200 | $28,487 | -43.3% |
| 2016 Audi S4 | $49,200 | $20,445 | -58.4% |
| 2015 Audi S4 | $48,400 | $16,767 | -65.3% |
| 2014 Audi S4 | $48,100 | $17,204 | -64.4% |
| 2013 Audi S4 | $47,600 | $14,652 | -69.2% |
| 2012 Audi S4 | $47,300 | $12,873 | -72.8% |
These recommendations are based on CarGurus' proprietary market data from May 14, 2026, CarGurus experts' opinions, and generative AI.
