by VIN, Year, Make, Model by License Plate

2018 Audi A3 Sedan Overview, Reviews, Ratings & Specs

Rating: 0.00
Based on 0 Owner Reviews
Jovan | March 28, 2026
The 2018 Audi A3 Sedan, a compact luxury car, entered its second generation with a refresh. Available from 2015 to 2021, key trims included the Premium, Premium Plus, and Prestige. Initially priced in the mid-$30,000s, it stands out for its sophisticated interior, refined driving dynamics, and advanced technology, making it a popular choice for those seeking premium German engineering in a smaller package.
The Good

The 2018 Audi A3 Sedan offers a compelling blend of engaging performance and impressive fuel efficiency. Its upscale interior and sleek design appeal to emotions, while its solid build quality and advanced safety features provide practical reassurance and value.

The Bad

Potential owners of the 2018 Audi A3 Sedan should be aware of a few common issues. Some owners have reported problems with the infotainment system, particularly the MMI interface. Additionally, the dual-clutch transmission can sometimes exhibit hesitations or jerky shifts, especially at lower speeds.

2018 Audi A3 Sedan: Quick Overview

  • Engine Options: The 2018 Audi A3 Sedan primarily offered two gasoline engine options in the U.S. market:
    • 2.0L TFSI (FWD): This turbocharged four-cylinder engine produced 186 horsepower and 221 lb-ft of torque.
    • 2.0L TFSI (Quattro AWD): The all-wheel-drive version of the 2.0L turbocharged four-cylinder engine delivered 228 horsepower and 258 lb-ft of torque.
  • Horsepower: Ranging from 186 hp to 228 hp, depending on the engine and drivetrain.
  • Fuel Economy (EPA Estimated MPG):
    • 2.0L TFSI (FWD): Approximately 29 mpg city / 34 mpg highway / 31 mpg combined.
    • 2.0L TFSI (Quattro AWD): Approximately 27 mpg city / 36 mpg highway / 30 mpg combined.
  • 0-60 Times:
    • With the 186 hp engine (FWD): Around 6.2 seconds.
    • With the 228 hp engine (Quattro AWD): Around 5.8 seconds.
  • Towing Capacity: The Audi A3 Sedan is not designed for towing and does not have a specified towing capacity.
  • Trim-Level Features:
    • Premium: Standard features often include leather upholstery, heated front seats, power driver's seat, a panoramic sunroof, automatic climate control, Xenon headlights, LED daytime running lights, and the Audi MMI infotainment system with a 7-inch display.
    • Premium Plus: Adds to the Premium trim with features like keyless entry and ignition, auto-dimming rearview mirror, driver-side auto-dimming exterior mirror, Audi Advanced Key, and often includes more advanced driver-assistance features as standard or optional.
    • Prestige: The top trim level typically includes all Premium Plus features plus a premium Bang & Olufsen sound system, full LED headlights, S line exterior styling, and a suite of advanced driver-assistance systems.

2018 Audi A3 Sedan Specifications

Vehicle Information
Year 2018
Make Audi
Model A3
Trim -
Style All-Wheel Drive
Type Convertible
Category Subcompact Car
Manufacturing Details
Made In Germany
Manufacturing City GYOR
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height 140.97 cm
Overall Length 442.72 cm
Overall Width -
Wheelbase Length 259.59 cm
Standard Seating 4
Engine & Performance
Engine 2L I4
Engine Size 2L
Engine Cylinders 4
Transmission 6-Speed Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $49,500 USD
Invoice Price $46,038 USD
Delivery Charges $975 USD

Vehicle History Report

Vehicle
Specifications
Ownership
History
All History
Events
NMVTIS Title
History Check
Salvage/Rebuilt
Check
Accident
Check
Theft
Check
Open Lien
Check
Past Sale
Listings
Safety
Recalls
Odometer
Check
Market Price
Analysis

What Problems Does the 2018 Audi A3 Sedan Have?

The 2018 Audi A3 Sedan, while generally well-regarded, has a few frequently reported issues and considerations for long-term ownership. One common area of concern involves the infotainment system, specifically the Audi MMI (Multi Media Interface). Owners have sometimes reported glitches, freezing, or connectivity issues with Apple CarPlay and Android Auto, particularly in earlier iterations of the software. While Audi has released software updates to address some of these, it remains a point of attention.

Another area that garnishes some attention is the performance of the S tronic dual-clutch transmission. While providing quick shifts and contributing to the car's sporty feel, some owners have noted occasional jerkiness or hesitation at low speeds, particularly in stop-and-go traffic. This is not necessarily indicative of a major failure but can be an annoyance for some drivers. In terms of reliability, the 2018 model year generally falls within acceptable ranges for its class, but it's worth noting that German luxury vehicles can sometimes have higher maintenance costs compared to their mainstream counterparts.

Regarding recalls, it's essential for any potential buyer to check for any outstanding recalls associated with a specific vehicle identification number (VIN). For the 2018 model year, recalls have touched upon areas like potential issues with the airbag system, possibly related to the occupant detection system, and some minor concerns with brake light switch functionality. These are typically addressed by dealerships at no cost to the owner.

Long-term reliability is generally considered good, especially with proper and consistent maintenance. However, as with any turbocharged vehicle, components like the turbocharger and the direct-injection system require diligent upkeep. The Quattro all-wheel-drive system is generally robust, but like any complex mechanical system, it needs periodic checks.

While the 2018 A3 is not plagued by widespread, catastrophic failures, vigilance regarding the infotainment system and transmission behavior, coupled with adherence to the maintenance schedule, will contribute to the most positive ownership experience.

How long will the 2018 Audi A3 Sedan last?

Based on owner data and typical maintenance habits, a well-maintained 2018 Audi A3 Sedan can reasonably be expected to last between 150,000 to 200,000 miles, or even more, before requiring major repairs. This translates to roughly 10-14 years of service for the average driver who puts about 12,000-15,000 miles per year. Long-term durability is generally strong, with the powertrain and chassis proving resilient. However, as the vehicle ages, owners might encounter more frequent minor electrical issues or wear and tear on suspension components. Regular servicing, especially fluid changes for the transmission and engine oil, is crucial for maximizing its lifespan and avoiding premature component failure. Neglecting maintenance can accelerate the onset of weaknesses, particularly in the transmission and turbocharger.

What Technology & Safety Features are Included?

The 2018 Audi A3 Sedan impressed with its technology suite, offering a blend of convenience and modern connectivity. Standard on all trims was the Audi MMI infotainment system, controlled via a rotary dial and buttons on the center console, featuring a 7-inch power-retractable color display. Apple CarPlay and Android Auto integration were also standard, allowing seamless smartphone mirroring for navigation, music, and communication.

Optional technology enhancements included a navigation system, a premium Bang & Olufsen Sound System with 14 speakers for a truly immersive audio experience, and Audi Connect PRIME & PLUS, which provided 4G LTE Wi-Fi hotspot capability and advanced online services. The available Audi Virtual Cockpit, a 12.3-inch fully digital instrument cluster, could replace the traditional gauges with customizable information displays, including navigation maps and media.

Driver-assistance and safety features were well-represented. Standard safety equipment included multiple airbags (front, side, and knee), anti-lock brakes, stability control, and a rearview camera. The 2018 A3 offered a range of optional driver-assistance systems designed to enhance safety and reduce driver fatigue. These included:
  • Audi Parking System Plus: Front and rear parking sensors to aid maneuvering.
  • Adaptive Cruise Control: Automatically maintains a set distance from the vehicle ahead.
  • Audi Active Lane Assist: Helps keep the vehicle centered within its lane.
  • Audi Side Assist: Blind-spot monitoring.
  • High-Beam Assistant: Automatically adjusts headlights.
  • Pre Sense front: A forward-collision warning system that can initiate automatic braking to help avoid or mitigate a collision.
In terms of crash-test ratings, the 2018 Audi A3 Sedan performed very well. The National Highway Traffic Safety Administration (NHTSA) awarded it an overall safety rating of 5 out of 5 stars. The Insurance Institute for Highway Safety (IIHS) gave it a top rating of "Good" in all five crashworthiness tests, earning it an IIHS Top Safety Pick designation.

What Colors Options are Available?

We’re working on this section!
In the meantime, feel free to explore the other sections for more content.

2018 Audi A3 Sedan Prices and Market Value

When new, the 2018 Audi A3 Sedan had a Manufacturer's Suggested Retail Price (MSRP) starting in the mid-$30,000s, with higher trims and optional packages pushing the price closer to or above $40,000. Currently, the used market prices for a 2018 Audi A3 Sedan typically range from approximately $15,000 to $25,000, heavily depending on mileage, condition, trim level, and location. The A3 experiences depreciation typical of luxury vehicles, losing a significant portion of its value in the first few years. Factors affecting resale value include its condition, maintenance history, number of owners, and the presence of desirable options like the Quattro all-wheel-drive system and advanced technology packages. Well-maintained models with lower mileage command higher prices.

2018 Audi A3 Sedan Cost of Ownership

Owning a 2018 Audi A3 Sedan is generally considered moderately costly, positioned between mainstream sedans and larger luxury vehicles. Insurance premiums can be higher than for non-luxury cars due to the vehicle's premium branding and component costs. Fuel costs are reasonable, especially with the efficient 2.0L engine, offering good MPG. Maintenance costs, however, are where the premium nature becomes apparent; expect higher costs for routine services, oil changes, and parts compared to economy cars. Repairs, especially for complex systems or specialized components, can also be significantly more expensive. Overall, while not prohibitively costly, the A3 is more expensive to own and maintain than a comparable non-luxury vehicle.

2018 Audi A3 Sedan Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 32.93 liters
City Mileage 4.12 km/l
Highway Mileage 3.19 km/l

2018 Audi A3 Sedan Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating Not Tested
Side Barrier Star Ratings Not Tested
Side Pole Star Rating Not Tested
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2018 Audi A3 Sedan Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Powertrain
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2018 Audi A3 Sedan Insurance

Insurance for a 2018 Audi A3 Sedan is moderately priced, reflecting its status as a Convertible with strong safety ratings and
reasonable repair costs.

How Does the 2018 Audi A3 Sedan Compare to Other Convertible?

The 2018 Audi A3 Sedan competes in the highly contested compact luxury sedan segment, primarily against rivals like the BMW 2 Series, Mercedes-Benz CLA-Class, and Acura ILX.

Performance: The A3 offers a balanced performance profile. The 228-hp Quattro model provides brisk acceleration and confident all-wheel-drive grip, while the 186-hp front-wheel-drive version is more focused on efficiency. The BMW 2 Series often edges out the A3 in raw driving engagement and sportiness, particularly with its rear-wheel-drive platform and more powerful engine options. The Mercedes-Benz CLA offers a more dramatic, coupe-like styling and a comfortable ride, though its handling can be less sharp. The Acura ILX, while offering good value, generally lags behind in performance and engine refinement.

Features: Audi historically excels in interior quality and technology, and the 2018 A3 is no exception. Its MMI infotainment system with Apple CarPlay/Android Auto is user-friendly, and optional features like the Virtual Cockpit are class-leading. The BMW 2 Series offers a well-appointed cabin but can feel a bit more driver-focused and less tech-heavy depending on options. The CLA also boasts a stylish interior, though its infotainment can be less intuitive for some. The ILX offers a decent feature set for its price but often feels a step behind the German rivals in terms of premium materials and cutting-edge tech.

Reliability: In terms of long-term reliability, all German luxury brands can present higher maintenance costs than their Japanese counterparts. The Acura ILX generally holds a stronger reputation for bulletproof reliability and lower long-term ownership costs. While the 2018 A3 is considered reasonably reliable within its class, potential buyers should be mindful of the possibility of more expensive repairs as the vehicle ages compared to the ILX.

Price: The 2018 Audi A3 Sedan was competitively priced at launch, often slotting between the more affordable Acura ILX and the slightly pricier BMW 2 Series and Mercedes-Benz CLA. On the used market, its depreciation makes it an attractive option, often offering a more premium experience for a similar price point to higher-trim mainstream sedans.

Recommendations:
  • For driving enthusiasts: The BMW 2 Series (especially the M240i) offers superior performance and handling.
  • For ultimate reliability and value: The Acura ILX is a strong contender, offering a comfortable ride and lower ownership costs, though with less prestige and driving dynamics.
  • For stylish comfort: The Mercedes-Benz CLA-Class provides a sleek design and a luxurious cabin, though it can be pricier and its ride can be firm.
Overall, the 2018 Audi A3 Sedan remains a compelling choice for its refined interior, strong tech integration, and balanced driving experience, especially for those who prioritize luxury and style.

Final Verdict: Is the 2018 Audi A3 Sedan a Good Convertible?

The 2018 Audi A3 Sedan is an excellent choice for individuals or couples seeking a premium compact car that blends sophisticated styling, advanced technology, and a refined driving experience without the exorbitant price tag of larger luxury sedans. It's ideal for city dwellers who appreciate maneuverability and a comfortable interior, as well as those looking for a stylish daily driver with good fuel economy. It is definitely worth buying, particularly on the used market where its depreciation makes it a smart value proposition. Opting for a used model, especially one with the Quattro all-wheel-drive system and in Premium Plus or Prestige trim, offers a high level of luxury and features for the money. Thorough pre-purchase inspection is recommended, focusing on the infotainment system and transmission, to ensure a smooth ownership experience.

2018 Audi A3 Sedan Owner Reviews

0.00
Consumer Rating, Based on 0 Consumer Reviews
Overall rating
Cancel
Thank You for Your Review!

We truly appreciate the time and effort you took to share your experience with us.

Uh oh!

Something went wrong, please try again later.

Author Image
Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.