2025 Audi A6 Fuel Economy: Four-Cylinder Wins
The four-cylinder version of the 2025 Audi A6 beats the V6 in fuel efficiency. EPA numbers rate the 2.0L turbo four-cylinder at 24 mpg city, 31 mpg highway, and 27 mpg combined. The 3.0L V6 scores 22 mpg city, 29 mpg highway, and 25 mpg combined. You save gas with the smaller engine.
Engine Specs
The base four-cylinder makes 261 horsepower. It pairs with a 7-speed dual-clutch transmission and Quattro all-wheel drive. Power delivery stays smooth for city streets and daily commutes.
The V6 delivers 335 horsepower and 369 lb-ft of torque. It reaches 0-60 mph in 5.1 seconds. The four-cylinder takes 5.8 seconds. Choose the four-cylinder for better mpg with a small speed trade-off.
| Engine | City MPG | Highway MPG | Combined MPG | 0-60 MPH |
|---|---|---|---|---|
| Four-Cylinder (2.0L) | 24 | 31 | 27 | 5.8 sec |
| V6 (3.0L) | 22 | 29 | 25 | 5.1 sec |
Real-World Fuel Use
Tests log the V6 at 21 mpg overall and up to 32 mpg on highways. The four-cylinder matches those highway numbers in everyday driving. Both engines perform well on long trips. Cold weather drops mpg by 1-2 for each. Use 87-octane gas for top results.
Drive 15,000 miles a year at $3.50 per gallon? The four-cylinder costs $1,650 in fuel. The V6 costs $1,850. You save $200 yearly. Savings grow over time.
Tips to Boost MPG
- Select Efficiency mode. It adjusts throttle response and gear shifts for better fuel use.
- Inflate tires to 35 psi. Underinflated tires cut mpg by 3%.
- Accelerate smoothly. Maintain steady speeds on highways.
- Plan routes wisely. Avoid traffic and find cheap gas with apps.
Sidekick lets you enter your 2025 Audi A6 details for custom fuel reports.
Most drivers pick the four-cylinder. It offers strong power and top mpg ratings.