The 2018 Audi S3 is a compact performance sedan, a sportier version of the A3. This generation of the S3 spans model years 2014-2020. Key trims include Premium, Premium Plus, and Prestige. Pricing ranged from approximately $44,000 to $50,000 when new. The S3 is popular for its blend of luxury, performance, and practicality, offering a refined interior and powerful engine in a small package.
The Good
The 2018 Audi S3 offers impressive performance with quick acceleration, appealing to the enthusiast. Its comfortable and well-designed interior provides a premium experience. While not the most efficient, it balances power with reasonable fuel economy. It's a strong value proposition, blending luxury features and sporty driving dynamics, satisfying both emotional and practical needs.
The Bad
Potential weaknesses of the 2018 Audi S3 include possible issues with the infotainment system and water pump failures. Some owners have reported minor electrical glitches. Also, the ride can be firm, which may not appeal to all drivers. Regular maintenance is crucial to avoid more significant problems down the line. Carbon buildup on the intake valves is a potential long-term concern for direct-injection engines.
2018 Audi S3: Quick Overview
- Engine Options: 2.0-liter turbocharged inline-4
- Horsepower: 292 hp
- Fuel Economy:
- City: 22-23 mpg
- Highway: 29-31 mpg
- Combined: 25-27 mpg (estimated)
- 0–60 Times: Approximately 4.7-4.9 seconds
- Towing Capacity: Not recommended or rated for towing.
- Trim-Level Features:
- Premium: Leather upholstery, heated front seats, dual-zone automatic climate control, Audi pre sense basic and front, rearview camera, panoramic sunroof, MMI infotainment system with a 7-inch display, Apple CarPlay and Android Auto compatibility, and 18-inch wheels.
- Premium Plus: Adds features like Audi side assist with rear cross-traffic assist, S sport seats with diamond stitching, Audi virtual cockpit (12.3-inch digital instrument cluster), and Audi drive select (adjustable driving modes).
- Prestige: Includes adaptive cruise control, lane keep assist, automatic high beams, parking system plus with front and rear sensors, Bang & Olufsen sound system, and MMI navigation plus with an 8.3-inch display.
2018 Audi S3 Specifications
Vehicle Information
| Year | 2018 |
| Make | Audi |
| Model | S3 |
| Trim | - |
| Style | All-Wheel Drive 2.0-T |
| Type | Sedan |
| Category | Subcompact Car |
Manufacturing Details
| Made In | Hungary |
| Manufacturing City | GYOR |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 2.0-L I4 |
| Engine Size | 2L |
| Engine Cylinders | 4 |
| Transmission | 7-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 7-Speed |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $43,650 |
| Invoice Price | $40,596 |
| Delivery Charges | $975 |
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What Problems Does the 2018 Audi S3 Have?
Frequently reported problems for the 2018 Audi S3, and related models within the VW/Audi group, often revolve around the water pump. Failures are common and can lead to overheating if not addressed promptly. The direct injection engine is also prone to carbon buildup on the intake valves, which can reduce performance and fuel efficiency over time. This necessitates periodic cleaning. Some owners have also reported issues with the infotainment system, including glitches or freezes. There have been recalls related to airbag systems and fuel delivery components in similar Audi models, so checking the NHTSA database for specific recalls affecting the 2018 S3 is essential. Long-term reliability concerns include the potential for oil consumption, particularly as the car ages. Proper maintenance, including timely oil changes and addressing any warning signs, is crucial to mitigating these risks. While the S3 generally enjoys a good reputation for build quality, these specific areas require vigilance.
How long will the 2018 Audi S3 last?
With diligent maintenance, a 2018 Audi S3 can easily reach 150,000 miles or more. Based on owner data, expect to see many examples with over 100,000 miles after 5-6 years. Regular oil changes (every 5,000-7,500 miles), timely servicing of the DSG transmission, and addressing issues like water pump leaks and carbon buildup are essential. Long-term durability can be affected by neglecting these maintenance items. Weaknesses over time often involve the cooling system, turbocharger components, and electronic modules. Addressing minor issues promptly prevents them from escalating into costly repairs.
What Technology & Safety Features are Included?
The 2018 Audi S3 boasts a suite of technology, entertainment, driver-assistance, and safety features. Standard features include the MMI infotainment system with a 7-inch display, Apple CarPlay and Android Auto, Bluetooth connectivity, and a rearview camera. Optional upgrades include the Audi virtual cockpit, a 12.3-inch digital instrument cluster, MMI navigation plus with an 8.3-inch display, and a Bang & Olufsen sound system. Driver-assistance features, depending on the trim level, include Audi side assist with rear cross-traffic assist, adaptive cruise control, lane keep assist, and parking system plus with front and rear sensors. Safety features include Audi pre sense basic and front, which can detect potential collisions and initiate preventative measures.
The 2018 Audi S3 received good crash-test ratings from the IIHS. Specific ratings can vary slightly, so it's best to consult the IIHS and NHTSA websites for the most up-to-date information. Generally, the S3 is considered a safe vehicle due to its strong structure and available advanced safety technologies. The availability of features like blind-spot monitoring and lane-keeping assist contribute to enhanced driver awareness and accident prevention.
The 2018 Audi S3 received good crash-test ratings from the IIHS. Specific ratings can vary slightly, so it's best to consult the IIHS and NHTSA websites for the most up-to-date information. Generally, the S3 is considered a safe vehicle due to its strong structure and available advanced safety technologies. The availability of features like blind-spot monitoring and lane-keeping assist contribute to enhanced driver awareness and accident prevention.
What Colors Options are Available?
Exterior Colors
Brilliant Black
Glacier White Metallic
Mythos Black Metallic
Navarra Blue Metallic
Tango Red Metallic
Daytona Gray Pearl Effect
Interior Colors
Black w/Rock Gray Stitching
Black w/Red Stitching
2018 Audi S3 Prices and Market Value
The 2018 Audi S3 had a starting price around $44,000 when new, with higher trims reaching close to $50,000. Current used market prices typically range from $25,000 to $35,000, depending on mileage, condition, and trim. Depreciation is moderate, holding its value reasonably well for a luxury performance sedan. Factors affecting resale value include mileage, service history, the presence of desirable options (like the virtual cockpit and upgraded sound system), and overall condition. Cars with clean titles and comprehensive maintenance records command higher prices.
2018 Audi S3 Cost of Ownership
Insurance costs for the 2018 Audi S3 are moderate, reflecting its performance capabilities. Fuel costs are reasonable, averaging around 25 mpg combined. Maintenance and repair costs can be higher than average, especially for unscheduled repairs. Expect to pay more for specialized Audi service and parts. Long-term ownership costs are therefore somewhat costly, particularly if preventative maintenance is neglected. Addressing potential issues like water pump leaks and carbon buildup is critical to controlling expenses.
2018 Audi S3 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
25 gallons
City Mileage
22 miles/gallon
Highway Mileage
28 miles/gallon
2018 Audi S3 Safety Rating
2018 Audi S3 Recalls & Defects
AIR Bags:on-Off Switch Assembly
Recall date
2021-03-22
Recall no.
21v198000
Source
NHTSA
Summary
Volkswagen Group OF America, Inc. (Audi) IS Recalling Certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet Vehicles. THE Passenger Occupant Detection System (Pods) MAY Malfunction and Switch OFF THE Passenger AIR BAG Even When THE Seat IS Occupied.
Consequence
A Deactivated Passenger AIR BAG Increases THE Risk OF Injury During A Crash.
Remedy
Dealers Will Replace THE Pods Sensor MAT and Update THE Pods Control Module, Free OF Charge. Owners Letters Were Mailed December 23, 2021. Owners MAY Contact Audi Customer Service AT 1-800-253-2834. Audi's Number FOR This Recall IS 69by.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
AIR Bags:sensor:occupant Classification:front Passenger
Recall date
2021-03-22
Recall no.
21v198000
Source
NHTSA
Summary
Volkswagen Group OF America, Inc. (Audi) IS Recalling Certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet Vehicles. THE Passenger Occupant Detection System (Pods) MAY Malfunction and Switch OFF THE Passenger AIR BAG Even When THE Seat IS Occupied.
Consequence
A Deactivated Passenger AIR BAG Increases THE Risk OF Injury During A Crash.
Remedy
Dealers Will Replace THE Pods Sensor MAT and Update THE Pods Control Module, Free OF Charge. Owners Letters Were Mailed December 23, 2021. Owners MAY Contact Audi Customer Service AT 1-800-253-2834. Audi's Number FOR This Recall IS 69by.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
2018 Audi S3 Insurance
Insurance for a 2018 Audi S3 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Audi S3 Compare to Other Sedan?
The 2018 Audi S3 competes with the likes of the BMW 2 Series (M240i), Mercedes-Benz CLA 250/AMG CLA 45, and Acura ILX. In terms of performance, the S3 is comparable to the BMW M240i and AMG CLA 45, offering quick acceleration and sporty handling. The Mercedes-Benz CLA 250 is less performance-oriented. Features are similar across the class, though the Audi's virtual cockpit is a standout.
Reliability is a mixed bag. The BMW and Acura may have a slight edge in long-term reliability, while the Mercedes-Benz and Audi can be prone to certain issues (like water pump failures and carbon buildup). Price-wise, the Audi S3 is generally competitive.
Alternatives to consider:
* **BMW M240i:** Offers similar performance with rear-wheel-drive bias for driving enthusiasts.
* **Mercedes-AMG CLA 45:** More powerful and aggressive than the S3 but also more expensive.
* **Acura ILX:** Less powerful but more affordable and potentially more reliable.
* **Volkswagen Golf R:** Shares many components with the S3 but offers a hatchback configuration and a slightly lower price point.
Reliability is a mixed bag. The BMW and Acura may have a slight edge in long-term reliability, while the Mercedes-Benz and Audi can be prone to certain issues (like water pump failures and carbon buildup). Price-wise, the Audi S3 is generally competitive.
Alternatives to consider:
* **BMW M240i:** Offers similar performance with rear-wheel-drive bias for driving enthusiasts.
* **Mercedes-AMG CLA 45:** More powerful and aggressive than the S3 but also more expensive.
* **Acura ILX:** Less powerful but more affordable and potentially more reliable.
* **Volkswagen Golf R:** Shares many components with the S3 but offers a hatchback configuration and a slightly lower price point.
Ranks #926 Sedan
| 1 | 2023 Toyota Camry | (5.0★) |
| 2 | 2023 Honda Accord | (0.0★) |
| 3 | 2023 Lexus ES | (0.0★) |
| 4 | 2024 Subaru Legacy | (5.0★) |
| 5 | 2022 Mazda MX-30 | (4.0★) |
| 6 | 2024 BMW M3 | (0.0★) |
| 7 | 2023 Ford Mustang | (5.0★) |
| 8 | 2023 Mercedes-Benz AMG GT | (0.0★) |
| 9 | 2023 Audi A3 | (0.0★) |
| 10 | 2023 Chevrolet Camaro | (5.0★) |
| 11 | 2023 Hyundai Elantra Hybrid | (0.0★) |
| 12 | 2023 Nissan Altima | (4.0★) |
| 926 | 2018 Audi S3 | (0.0★) |
Final Verdict: Is the 2018 Audi S3 a Good Sedan?
The 2018 Audi S3 is ideal for those seeking a compact, sporty, and luxurious sedan with all-wheel drive. It's worth buying if you appreciate its blend of performance and refinement, and if you're willing to keep up with scheduled maintenance. Buying used is generally recommended due to depreciation, but prioritize examples with complete service records. The Premium Plus trim offers a good balance of features and value. Be prepared for potentially higher maintenance costs compared to non-luxury brands. A pre-purchase inspection is highly recommended to identify any potential issues.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.