What is Mileage in Cars? Meaning, Types & How It’s Calculated

When you are in a showroom, looking to buy a car, you tend to ask several questions. ‘Is this a diesel or petrol car?’, ‘How much does it cost?’, ‘How frequently will I need to service it?’ and most importantly, ‘How much mileage does it give?’

So, what is mileage in cars? To put it simply, it refers to the distance a car usually travels using a specific amount of fuel, and is expressed as kilometers per liter (kmpl). Mileage tells you how far your car goes before you need to refuel.

In India, fuel prices are high and constantly changing. So a car’s mileage meaning is not limited to just numbers; it also becomes a major deciding factor for car purchases. If a vehicle has better mileage, it will have lower running costs, a better resale value, and even greater long-term savings. For many Indian families, the mileage in cars is more important than horsepower, luxury features, or even brand reputation.

Do you want to know more about what mileage means in cars? You are at the right place; in this guide, we will explore everything there is to know about it, from measurement methods, influencing factors, and how you can get the best performance out of your car! 

What is Mileage in Cars?

A car’s mileage definition is easy to understand: it means the distance that your car can travel per litre of fuel. So if your car runs at 20 kilometres on 1 litre of petrol, its mileage is 20 kmpl. 

Mileage vs Fuel Efficiency

• Mileage is the actual distance traveled per unit of fuel. 

• Fuel efficiency, on the other hand, is how effectively the engine converts the fuel into motion.

So, mileage is what you see, while fuel is what the engine does 

How is Car Mileage Measured?

Car mileage is expressed differently across the world: 

• In India, Asia, and across Europe, it is kmpl or kilometers per litre. 

• In the USA and the UK, it is mpg, or miles per gallon. 

• L/100km is a standard unit of measurement in the EU.

Let’s get a better understanding through this table:

Note: Remember that 1 US gallon = 3.78 litres, while 1 UK gallon is 4.54 litres. 

Types of Car Mileage

There are four main types of car mileage. 

City Mileage

City mileage refers to the amount of mileage a car delivers in urban conditions, where there is traffic congestion, frequent signals, and short trips. In stop-and-go traffic, the engine spends more time idling and restarting, which means there is extra fuel used without covering much distance. So, when you compare city mileage vs highway mileage, you will find that the former is usually lower, by 20% to 30%. Smaller, hybrid cars often perform better in cities due to lighter weight and start-stop technology. 

Highway Mileage

Highway mileage is usually measured on long, open roads, where the car can maintain a steady speed with fewer interruptions. Since there is less braking, gear shifting, and minimal idling, the fuel consumption is more efficient. Be mindful of overspeeding or carrying excess luggage, as it can reduce highway mileage. 

ARAI-Certified Mileage

ARAI, or the Automotive Research Association of India, tests vehicles under controlled conditions in a lab to determine how much mileage they give. Cars are usually driven on test tracks with ideal road conditions, minimal load, and no real-world traffic interruptions. The ARAI-mileage meaning is higher than what you may experience while on the road, and is thus used as a benchmark for comparison instead of an exact expectation. 

Real-World Mileage 

Real-world mileage is what a driver experiences on a day-to-day basis, usually influenced by traffic, terrain, and driving habits. It is usually lower than the ARAI numbers, but it is a more practical picture of how much fuel your car consumes in daily life. 

How to Calculate Car Mileage?

Car mileage calculation is usually done with the following methods:

Tank-to-Tank Method

• Fill the fuel tank full. 

• Reset the trip meter

• Drive until the fuel level drops 

• Refill the tank fully again

• Divide the kilometres driven by litres. 

MID Method

The Multi-Information Display Method, or MID, is a simple way for car mileage calculation. Modern cars show real-time mileage on the dashboard. It is convenient, but comes with the risk of inaccuracy. 

Formula Method

The formula for car mileage calculation is easy to understand: 

Mileage =  Distance Travelled / Fuel Consumed.

For example, 

Distance = 400 km, 

Fuel consumed = 20 litres, 

Mileage = 400/20

Mileage = 20 kmpl

Factors That Affect Car Mileage

So, what affects car mileage?

• Driving Style: Aggressive acceleration, speeding, and hard braking can lower the mileage.

• Traffic Conditions: Frequent idling and stop-and-go traffic can reduce city mileage.

• Fuel Type and Quality: Poor quality or adulterated fuel decreases efficiency.

• Car Maintenance: Regular servicing, cleaning the filters, and changing oil on time can improve mileage.

• Tyre Pressure and Load: Under-inflated tyres and excessive load increase fuel consumption. 

Mileage by Fuel Type

Mileage vs Fuel Efficiency: Are They The Same?

Sometimes, car owners get confused and think that both terms are more or less the same. That’s not exactly true. Let’s make a clear distinction between mileage vs fuel efficiency.

Mileage, as we have seen above, is essentially the output: how far a car can be driven per litre or kWh. It is what the driver experiences. Fuel efficiency, on the other hand, is the input, or how well the engine converts the fuel into power. It depends on how well the engine has been designed. 

Best Mileage Cars in India

Three cars in the Indian market give the best mileage. Let’s take a look:

• Maruti Suzuki Celerio: The car gives up to 21 kmpl in real-world mileage, with an ARAI mileage of 26 kmpl.

• Maruti Alto K10: This car has a real-world mileage of 22 kmpl and 27 kmpl ARAI mileage.

• Maruti WagonR: The WagonR has a 26 kmpl in real-world mileage, and 33 kmpl in ARAI mileage.

Explore and learn more about the best mileage cars in India in this detailed blog.

Protecting Mileage Efficiency with PPF (Paint Protection Film)

Mileage largely depends on the engine and fuel, and long-term efficiency also relates to car maintenance. Take an extra step to maintain your car with Paint Protection Films, or PPF. Made from Thermoplastic Polyurethane, this protective layer shields your car from scratches and helps retain resale value, indirectly supporting aerodynamics by maintaining a smooth surface. High-quality PPFs, like the range offered by Garware Hi-Tech films, also come with a 3-year to lifetime warranty.

There are several benefits of using a PPF for your car:

• Shields paint from scratches, stone chips, and UV rays. 

• Keeps the car looking new for longer. 

• Enhances the car’s resale value. 

• Lowers long-term maintenance costs.

To protect your car’s exterior and keep it running for a long time, explore Garware PPF and safeguard your vehicle’s performance and value! 

FAQs on Car Mileage

1. What is mileage in cars?
   Mileage is defined as the distance a car travels per unit of fuel, usually measured in kmpl.

2. What is a good mileage for a car in India?
   Anything above 18 kmpl (for petrol cars) and 22 kmpl (for diesel cars) is considered good.

3. How is mileage calculated in cars?
   Mileage is usually calculated by dividing the distance travelled by fuel consumed.

4. What is the difference between mileage and fuel efficiency?
   Mileage is the distance covered, while fuel efficiency is the process (engine performance)

5. What affects the mileage of a car?
   Driving style, traffic, fuel quality, maintenance, tyre pressure, and load are major influencing factors.

6. What is ARAI mileage in cars?
   ARAI mileage is the number certified by the Automotive Research Association of India, and is usually determined under test conditions.

7. Why is my car mileage lower than the company-claimed mileage?
   Real-world conditions are different from lab-test numbers; you encounter traffic, load, and different road quality, which a car in a showroom does not.

8. How can I increase my car mileage?
   Maintain proper tyre pressure, drive smoothly, service the car regularly, and use good fuel.

9. Which type of car gives the best mileage – petrol, diesel, or hybrid?
   CNG and hybrid cars usually offer the best mileage, followed by diesel.

10. What is the average mileage of cars in India?
    Most cars in India deliver between 15-25 kmpl, depending on fuel type and segment.