24 MPG combined is what you can expect from the Audi S4, a price many are willing to pay for its balance of performance and practicality. This sport sedan isn’t designed to sip fuel, but its fuel economy is acceptable for its mission of driving enjoyment.

City and highway performance

The EPA estimates the 2019 Audi S4 gets 21 MPG in the city and 30 MPG on the highway. These numbers come from standardized testing to provide a consistent baseline, but your mileage will vary based on driving style, traffic, and location. The S4’s responsive 3.0L six-cylinder engine with its turbocharger encourages drivers to use its power, impacting real-world fuel consumption. Accelerating gently will get you closer to the EPA estimates. However, drivers who frequently use the S4’s sport mode and performance will likely see lower numbers.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2019 Audi S4 at $2,400. This assumes 15,000 miles of driving per year, mixing city and highway miles and using national average fuel prices. Several things can affect this estimate. Someone who drives mostly in stop-and-go city traffic will likely spend more. On the other hand, someone who mostly commutes on the highway in their S4 could see lower annual fuel expenses. Fluctuating fuel prices also directly impact cost. This $2,400 figure gives a general idea, but individual spending will differ.

Real-world expectations

Forget the EPA’s laboratory tests; most S4 owners report combined fuel economy between 20 and 26 MPG in the real world. The lower end is typical for aggressive drivers or those in heavy city traffic. The higher end is possible on long highway trips using cruise control and accelerating lightly. The S4’s quattro all-wheel-drive system provides better traction and handling, but it adds weight and complexity, influencing fuel consumption. While performance enthusiasts appreciate the enhanced capabilities, it can impact overall fuel efficiency.

How it compares

The 2019 Audi S4 is in the middle of its class for fuel economy. The BMW 340i, with a similar inline-six, gets about 25 MPG combined, a slight edge. The Mercedes-AMG C43 has more horsepower but typically returns about 22 MPG combined, showing the trade-off for higher performance. A Lexus IS 350 F Sport comes in around 23 MPG combined. See S4 MPG across all years. The S4 buyer often values the overall driving experience, including handling, interior quality, and technology, areas where the S4 shines. Saving money on gas is nice, but not usually the main reason people choose this car.

Tips to maximize efficiency

Gentle acceleration is key. The S4’s turbocharged engine delivers power quickly, so fight the urge to constantly floor it. Starting smoothly and gradually building speed will significantly reduce fuel consumption, especially in city driving. Use the Drive Select feature and select “Efficiency” mode for relaxed cruising. This setting optimizes the engine and transmission for better fuel economy, taming the S4’s eagerness.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, making the engine work harder and use more fuel. Check your tire pressure regularly and keep it at the recommended levels on the doorjamb sticker. This is especially important when the temperature changes.

Minimize idling. Letting your car idle for a long time wastes fuel. If you’re stopped for more than a minute, turn off the engine. Modern cars start quickly and reliably, a simple way to save fuel.

Plan your routes well. Avoid traffic and peak hours whenever possible. A longer route with fewer stops might be more fuel-efficient than a shorter route through traffic. This is especially true on short trips where the engine doesn’t reach its best operating temperature and efficiency.

Keep up with routine maintenance. Scheduled maintenance, like air filter replacements and spark plug checks, helps the engine run efficiently. Skipping these tasks can reduce performance and increase fuel consumption. View all Audi fuel economy data.