25 MPG combined is a perfectly acceptable figure for the 2021 Mercedes-Benz AMG CLA35 4matic. Nobody buys this car expecting Prius-like efficiency. This is a compact, aggressively styled performance sedan that delivers engaging driving dynamics and a level of luxury that justifies its price tag. The MPG is simply a factor, not the defining characteristic, for the target buyer.

City and highway performance

The EPA estimates for the 2021 AMG CLA35 break down to 22 MPG in the city and 29 MPG on the highway. The city figure reflects the stop-and-go nature of urban driving, where the turbocharger is constantly spooling up and the engine is working harder. The highway number, conversely, showcases the engine’s ability to cruise efficiently at steady speeds, aided by the AMG Speedshift DCT 7G transmission. Getting close to 30 MPG on the open road is achievable if you resist exploiting the car’s passing power.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2021 Mercedes-Benz AMG CLA35 is $2,300. This figure is based on driving 15,000 miles per year and using national average fuel prices. Keep in mind that the AMG CLA35 requires premium fuel, which is more expensive than regular unleaded. Fluctuations in gas prices will directly impact your actual fuel costs, but $2,300 is a suitable benchmark when budgeting for ownership.

Real-world expectations

While the EPA estimates provide a baseline, your real-world MPG will vary depending on your driving style and conditions. Expect to see numbers close to the official figures during relaxed commutes and highway cruising. However, if you frequently use the AMG’s performance capabilities, spirited acceleration, aggressive cornering, your fuel economy will undoubtedly dip below 22 MPG in the city and potentially even below 29 MPG on the highway. This is the price you pay for enjoying the car’s full potential. Aggressive driving will punish your fuel economy. Conversely, very conservative driving could yield slightly better-than-rated fuel economy, but that defeats the purpose of owning an AMG model.

How it compares

In comparison to its rivals, the AMG CLA35’s fuel economy is competitive but not class-leading. The BMW M235i xDrive Gran Coupe, for instance, offers a similar blend of performance and practicality and achieves around 26 MPG combined. The Audi S3, another direct competitor, hovers around 25 MPG combined as well. The Acura Integra Type S, a newer entry which prioritizes performance, is rated for 24 MPG combined. These comparisons are important for buyers cross-shopping in this segment, because they highlight that the AMG CLA35’s fuel consumption is within an acceptable range for its power and performance level.

Tips to maximize efficiency

Be mindful of your acceleration. The AMG CLA35 is tempting to push hard, but smooth, gradual acceleration will significantly improve your fuel economy, particularly in city driving. Avoid unnecessary bursts of speed and harsh braking, as these actions waste fuel. Anticipate traffic flow to maintain momentum, reducing the need for constant acceleration and deceleration.

Use the car’s drive modes wisely. The AMG CLA35 offers various drive modes, including Comfort, Sport, and Sport+. Comfort mode prioritizes fuel efficiency by optimizing throttle response and transmission mapping. Switching to Comfort mode during relaxed commutes can make a noticeable difference in your fuel consumption compared to the more aggressive Sport and Sport+ modes, which are best reserved for more spirited driving scenarios.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, which negatively impacts fuel economy. Regularly check your tire pressure and inflate them to the recommended level, which can be found on the sticker inside the driver’s side doorjamb. Proper tire inflation can improve fuel efficiency by a few MPG, adding up to significant savings over time. See all Mercedes Benz fuel economy data.

Reduce unnecessary weight. Carrying excess weight in your car puts additional strain on the engine, reducing fuel efficiency. Remove any unnecessary items from your trunk and backseat. Every pound you eliminate reduces the amount of energy required to accelerate and maintain speed. Some small changes can add up over time.

Consider the long-term benefits of regular maintenance. Keeping your AMG CLA35 properly maintained is essential for achieving optimal fuel economy. Regular oil changes with the recommended synthetic oil, air filter replacements, and a properly tuned engine will ensure that your car runs efficiently for years to come. Neglecting these routine maintenance tasks can cause a decrease in MPG. Also check out AMG MPG across all years.