Advantages and Disadvantages of LPG Cars

Published: 28 Sep 2025

Liquefied Petroleum Gas (LPG), often called autogas, has become a popular alternative to petrol and diesel for vehicles. Many drivers choose LPG cars because they want to save money and reduce harmful emissions. In fact, LPG is widely used in countries like Turkey, South Korea, and Poland, where fuel costs are high, and air quality is a concern. But is LPG really the best choice for your car? To help you decide, let’s explore the advantages and disadvantages of LPG cars in simple terms.

Advantages of LPG Cars

Lower running costs

LPG is usually 40–50% cheaper than petrol, which means huge long-term savings. Even with slightly higher fuel consumption, drivers can save hundreds of dollars each year.

2. Environmentally friendly fuel

LPG burns cleaner and releases fewer harmful gases like CO, NOx, and particulates. This makes it a greener choice for reducing air pollution and improving urban air quality.

3. Longer engine life

Since LPG produces less carbon buildup, engine parts experience less wear and tear. This can extend the engine’s life by up to 50% compared to petrol.

4. High octane rating (100+ RON)

The higher octane level prevents knocking, ensures smoother combustion, and reduces engine vibration. This helps maintain consistent performance over time.

5. Quieter and smoother drive

Cars running on LPG produce less noise and vibration. This creates a more comfortable driving experience, especially on long journeys.

6. Modern safety features

Today’s LPG tanks are made of high-strength materials and include automatic shut-off valves and leak sensors. These features make LPG vehicles as safe as petrol or diesel ones.

7. Dual fuel flexibility

Most converted LPG cars allow drivers to switch between petrol and LPG. This means you can always rely on petrol when LPG isn’t available, giving you more freedom on the road.

Disadvantages of LPG Cars

High installation cost

Converting a petrol car to LPG can be expensive, often costing thousands of dollars. While the savings cover the cost over time, the upfront expense is a hurdle for many drivers.

2. Higher fuel consumption

LPG typically uses about 10% more fuel than petrol. However, because LPG is much cheaper per liter, the overall cost of driving remains lower.

3. Slight reduction in power

Cars running on LPG can lose 5–10% of engine power. This may be noticeable when driving uphill, towing, or carrying heavy loads.

4. Bulky and heavy fuel tank

LPG tanks take up extra space in the boot and add weight to the vehicle. This reduces available storage space, which may be inconvenient for some car owners.

5. Limited tank lifespan

LPG tanks have a service life of about 10 years. After that, they must be replaced, adding to the long-term maintenance cost.

6. Limited availability of refueling stations

Unlike petrol and diesel, LPG is not available everywhere. Drivers may need to plan their routes carefully to avoid running out of fuel.

7. Restrictions on parking

Some underground parking lots don’t allow LPG cars because of ventilation concerns. Although this is changing, it still causes inconvenience in certain areas.

8. Need for regular inspections

LPG systems must be checked often for leaks, pressure, and overall safety. While not too expensive, this adds another layer of ongoing responsibility to the driver.

Conclusion

LPG cars offer a smart balance between savings and sustainability. With lower fuel costs, cleaner emissions, and longer engine life, they are a great choice for drivers who want both economy and eco-friendliness. However, the downsides—such as reduced power, higher installation costs, limited storage space, and fewer refueling stations—are important to keep in mind.

If you drive often and live in an area with good LPG infrastructure, an LPG car could be a cost-effective and environmentally friendly option. However, if you prioritize maximum engine power or travel in regions with limited LPG stations, petrol or diesel may still be the better choice for you. In the end, the decision depends on your budget, driving needs, and priorities.