Audi · 2024
A8 quattro 3.0L 6-cyl
✓ EPA Verified
Premium Gasoline
Large Cars
All-Wheel Drive
City
19
MPG
Combined
22
MPG
Highway
28
MPG
Annual Fuel Cost
$2,650
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$500
more per year
Class Comparison — Large Cars
Bottom 45%
Better than 45 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 22 MPG
This vehicle
22 MPG
Class average
33 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
5
Energy Score
Out of 10
5
GHG Score
Out of 10
400 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine3.0L 6-cyl
TransmissionAutomatic (S8)
DriveAll-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassLarge Cars
TrimHybrid
Engine DescSIDI; Mild Hybrid
Start-StopYes
EPA Vehicle ID47094

The 2024 Audi A8 quattro 3.0L gets 22 MPG combined. It’s a respectable number, but the A8 prioritizes effortless performance, exquisite luxury, and advanced technology. If saving gas is the only goal, other vehicles in the Audi lineup are better options. This is a flagship sedan, and its fuel consumption reflects that.

City and highway performance

The EPA estimates the 2024 Audi A8 quattro 3.0L gets 19 MPG in the city and 28 MPG on the highway. These numbers show how the car performs in different environments. The city figure accounts for stop-and-go traffic, idling, and lower average speeds, all factors that affect fuel consumption. The highway rating is helped by the A8’s aerodynamic design, efficient engine management, and the relaxed cruising of its eight-speed automatic transmission. Expect the highway number to increase on long drives at consistent speeds.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2024 Audi A8 quattro 3.0L is $2,650. This is based on driving 15,000 miles per year, with a 55/45 split between city and highway driving, and using the national average fuel price. Your fuel costs will vary depending on local fuel prices, driving habits, and city versus highway driving. If you drive mostly on the highway, you might see a lower annual cost, while mostly city driving will likely cost more. Premium fuel is recommended for best performance, which also raises the total cost.

Real-world expectations

Matching the EPA’s figures consistently, especially with mixed driving, can be difficult. The A8’s performance encourages spirited driving, and the quattro all-wheel-drive system can slightly reduce fuel economy, especially in bad weather. However, smooth acceleration, anticipation of traffic, and using the car’s driving modes can help you get close to the advertised numbers. The onboard trip computer shows real-time fuel consumption, helping you track your efficiency and change your driving.

How it compares

The A8’s fuel economy is similar to other large luxury sedans, but there are differences. The BMW 740i, with its similar 3.0L inline-six engine, gets a slightly better combined MPG of 25. The Mercedes-Benz S500, with a similar powertrain, also gets about 24 MPG combined. The Lexus LS 500, with its twin-turbo V6, is close to the A8’s MPG. These differences, while potentially significant, usually aren’t the main reason buyers choose a car in this class. Instead, brand preference, styling, technology, and driving experience often matter more. You can review A8 MPG across all years here.

Tips to maximize efficiency

Gentle acceleration is important. The A8’s 3.0L engine has plenty of torque, so pushing the accelerator hard isn’t necessary. Smooth, gradual acceleration saves fuel and makes for a more refined ride, suited to the A8’s character.

Use the Audi Drive Select system. The “Efficiency” mode optimizes the engine and transmission for fuel economy by reducing throttle response and encouraging earlier upshifts. Try different modes to learn how they affect fuel consumption in various conditions.

Keep tires properly inflated. Underinflated tires increase rolling resistance and waste fuel. Check your tire pressure regularly, ideally every two weeks, and make sure it matches the recommended level on the sticker on the driver’s side doorjamb. This simple step can improve fuel efficiency.

Avoid idling. Idling wastes fuel, especially in modern vehicles. If you’ll be stopped for more than a minute, turn off the engine. The A8 has auto start-stop, which shuts off the engine at stoplights and restarts it when you release the brake. This improves fuel economy in cities, though some drivers disable it for smoother operation.

Plan routes well. Avoiding traffic and choosing routes with fewer stops can improve fuel economy. Navigation apps with real-time traffic updates can suggest efficient routes to save fuel and reduce driving time. If you’re interested in seeing all Audi fuel economy data, please explore our site.