24 MPG isn’t winning any green awards, but it’s not a disaster for the 2023 Audi A6 quattro with the 3.0L V6. This car isn’t pitched at the hypermiling crowd; it’s aimed at professionals who want a blend of advanced engineering, refined power, and all-weather confidence. Fuel efficiency is a factor, but it’s secondary to the driving experience and the cachet of the four rings.

City and highway performance

The EPA estimates 21 MPG in the city and 30 MPG on the highway. The city figure is perhaps more telling for potential A6 owners. This car, while comfortable on long highway stretches, often finds itself navigating urban environments. Stop-and-go traffic, frequent red lights, and the occasional spirited acceleration from a standstill all contribute to the lower city rating.

The highway figure, however, is respectable, reflecting the engine’s ability to cruise comfortably at higher speeds and benefit from the automatic transmission’s efficiency-optimized gearing. The seven-speed automatic prioritizes fuel savings when possible, shifting smoothly and predictably. Ultimately, those who keep their A6 confined to city streets may find that real numbers are less than the 21 MPG, while highway-focused drivers will likely realize the 30 MPG or even slightly better.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Audi A6 quattro 3.0L at $2,400. This figure is based on driving 15,000 miles per year and using national average fuel prices. Of course, the actual cost will fluctuate depending on your driving habits, the type of fuel you use, and local fuel prices. This price point indicates that fuel isn’t the only concern for A6 buyers. If fuel economy were the driving force, shoppers would choose compact sedans or hybrid vehicles that can cost far less to fuel annually. But the A6 buyer wants all-wheel drive, the smooth power delivery of a six-cylinder engine, and the understated elegance of the A6’s design, and they’re willing to accept the higher average fuel costs for it.

Real-world expectations

While the EPA provides a standardized rating, real-world fuel economy often differs. Aggressive driving, frequent short trips, and carrying heavy loads can all negatively impact fuel consumption. Conversely, gentle acceleration, consistent highway speeds, and proper tire inflation can help improve MPG. Owners of the 2023 A6 quattro 3.0L should expect to see figures that hover around the EPA estimates, but variations are normal. Pay attention to your driving style and adjust accordingly if you want to maximize fuel efficiency. Understanding the factors that influence fuel economy is key to getting the most out of your A6. Also be aware that while premium fuel isn’t always strictly required, using it will help the engine deliver its peak performance numbers.

How it compares

In the mid-size luxury sedan segment, the A6’s 24 MPG combined competes with other similarly equipped models, but trade-offs exist. For example, the BMW 540i xDrive, another six-cylinder all-wheel-drive competitor, achieves a similar 25 MPG combined rating. The Mercedes-Benz E450 4MATIC posts numbers in the same ballpark. These cars prioritize performance and feature content over outright fuel savings. Stepping down to a four-cylinder version within each brand, like the Audi A6 45 TFSI, can yield slightly better fuel economy (around 28 MPG combined), but at the expense of power and the V6’s refined feel. Buyers choose the 3.0L V6 for its smooth torque delivery and confident acceleration; they understand that this level of performance comes with a corresponding fuel consumption penalty, which is typically a cost they are willing to accept.

Tips to maximize efficiency

Anticipate traffic flow and avoid unnecessary acceleration. The A6’s smooth and responsive engine can be tempting to unleash, but every hard acceleration burns fuel. When possible, maintain a consistent speed and use cruise control on the highway to minimize throttle variations. The A6’s all-wheel-drive system is great for traction but adds weight, so use it judiciously.

Regular maintenance is key to optimal fuel economy. Ensure your tires are properly inflated, and schedule regular oil changes and tune-ups. A well-maintained engine operates more efficiently, leading to improved MPG. Refer to your owner’s manual for the recommended maintenance schedule.

Lighten your load. Remove any unnecessary items from the trunk or backseat. Excess weight requires the engine to work harder, reducing fuel efficiency. While the A6 has ample cargo room, avoid carrying items that are not needed for your daily commute or planned trips. Also check A6 MPG across all years to see if earlier model years can offer similar benefits.

Use the Audi Drive Select system. This feature allows you to choose different driving modes, including an “Efficiency” or “Comfort” mode. These modes optimize various settings, such as throttle response and transmission shift points, to prioritize fuel savings. Experiment with these modes to find the balance between performance and efficiency that suits your driving style. Compare this to the all all Audi fuel economy data and weigh your options.