The 2020 Audi S3 gets 25 MPG combined according to the EPA. It’s not a hybrid, nor is it trying to be. It’s a sporty, turbocharged sedan built for backroad blasts and confident all-weather commuting. The kind of buyer considering an S3 knows that performance requires fuel and they’re willing to accept this balance in exchange for a premium driving experience.

City and highway performance

The EPA estimates 22 MPG in the city and 29 MPG on the highway for the 2020 Audi S3. The city figure reflects stop-and-go driving, where the S3’s turbocharger works harder and its seven-speed dual-clutch transmission spends more time in lower gears. The highway number is more appealing, showcasing the efficiency that can be achieved at a steady cruise. While 29 MPG isn’t groundbreaking, it’s reasonable for a car that can deliver potent acceleration when needed. These numbers are based on the EPA’s testing cycle, and individual results will vary depending on driving style and conditions.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2020 Audi S3 is $2,300. This figure is based on driving 15,000 miles per year and using national average fuel prices. It’s critical to note that this is just an estimate. If you drive more than 15,000 miles annually or if fuel prices in your area are higher than the national average, your actual fuel costs will likely be higher. Conversely, if you drive less and fuel is cheaper where you are, you’ll spend less. This $2,300 figure provides a useful benchmark, but it’s best to tailor your budget based on your individual circumstances. For more information on fuel costs, including all Audi fuel economy data, check other articles on FuelEconomyHub.com.

Real-world expectations

While the EPA numbers provide a baseline, drivers often see slightly different fuel economy in the real world. The S3 encourages spirited driving, and frequent use of its sport mode and launch control will undoubtedly lower your MPG. Conscientious drivers who prioritize smooth acceleration and anticipate traffic flow may be able to exceed the EPA’s estimates. The blend of performance and practicality is a key selling point, but achieving the advertised MPG requires some restraint. The S3’s size and responsive engine makes navigating city streets fun, but remember, constant short trips with cold starts will reduce fuel efficiency.

How it compares

The 2020 Audi S3 competes with other small performance sedans and hatchbacks. The BMW M235i xDrive Gran Coupe, a direct competitor, delivers around 26 MPG combined. The Mercedes-AMG A35, another all-wheel-drive contender, is rated at approximately 25 MPG combined, mirroring the S3’s figures. Even within the Audi family, comparing to an A4 reveals interesting trade-offs. The standard A4, with its less powerful engine, can achieve closer to 27 MPG combined. The S3 buyer prioritizes performance over ultimate efficiency, accepting the fuel economy trade-off for the added power and sporty driving dynamics. Consumers can also analyze S3 MPG across all years to see broader trends.

Tips to maximize efficiency

The S3’s turbocharger is sensitive to driving style. Avoid aggressive acceleration and hard braking whenever possible. Gentle and consistent throttle inputs will help keep the turbo from spooling up unnecessarily, conserving fuel. Anticipate traffic flow to minimize stop-and-go situations, which are fuel-intensive.

Use the S3’s drive select system. In “Comfort” or “Efficiency” mode, the car adjusts engine mapping, throttle response, and transmission behavior to prioritize fuel economy. While “Dynamic” mode is tempting, reserve it for occasions when you truly want to unleash the car’s full potential.

Regular maintenance, particularly air filter replacement, is important for optimal fuel efficiency. A clogged air filter restricts airflow to the engine, forcing it to work harder and consume more fuel. Following the recommended maintenance schedule helps ensure the engine operates at peak efficiency. And correct tire inflation is also important in getting the best miles per gallon.

Minimize cargo weight. The S3 is a small car, and extra weight has a noticeable impact on fuel economy. Remove any unnecessary items from the trunk or passenger compartment that could be burdening the engine and impeding efficiency.