Is 15 MPG good or bad?

Getting 15 MPG driving around town might be entirely acceptable for some people as good fuel economy. For others, this might be too low. But 25 MPG combined for a sports car is not bad. And most people do not buy sports cars or full-size trucks for their excellent fuel economy.

Why is my BMW getting bad gas mileage?

Bad oxygen sensors and air filters can reduce gas mileage by as much as 20\%! Dirty air filters, clogged with sand and debris, simply need to be replaced so that the engine can perform at its peak.

Is BMW gas mileage accurate?

On average, the BMW’s trip computer reported mileage 1.4 mpg higher—nearly 6 percent better—than calculated. However, its trip computer padded that figure by 1.1 mpg to 25.7—a 4.5-percent inflation. Every fill-up was slightly optimistic.

How do I reset my BMW MPG?

On the turn signal lever. Push the button to scroll thru the menu, when you get to MPG hold the button in until it resets.

What car has the best fuel economy?

Small Cars With the Best Gas Mileage in 2021

• 2021 Hyundai Accent | 36 mpg.
• 2021 Kia Rio | 36 mpg.
• 2021 Mitsubishi Mirage | 39 mpg.
• 2021 Honda Insight | 52 mpg.
• 2021 Toyota Corolla Hybrid | 52 mpg.
• 2021 Hyundai Elantra Hybrid | 54 mpg.
• 2021 Toyota Prius | 56 mpg.
• Hyundai Ioniq Hybrid| 59 mpg.

What is a good mpg for a car?

But with all that being said, a good MPG figure to aim for is anything between 50 and 60MPG. This will ensure that your car is efficient and economical, which means low running costs and car tax rates.

How can I get better gas mileage in my BMW?

20 Ways to Get Better BMW Gas Mileage

1. Get Premium Grade Gasoline.
2. Go Easy on the Gas Petal.
3. Drive in BMW ECO Pro Mode.
4. Use the BMW ECO PRO Route Function.
5. Know About the BMW Brake Energy Regeneration Function.
6. Know the Benefit of the BMW On-Demand Ancillary Unit.
7. Utilize the BMW Coasting Function.

Why does my MPG keep changing?

Your spark plugs are responsible for sparking combustion in your engine. If they misfire, or are working poorly, this can affect your gas mileage in a negative way. Having bad fuel injectors can cause bad mileage. This causes more fuel to be used, and will use up more gas than you need.

How is car MPG calculated?

To calculate your fuel economy, simply divide the number of miles you drove by the number of gallons you just purchased. For instance, if you drove 300 miles and purchased 10 gallons of gas, your fuel economy would be 30 miles per gallon.