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The Maruti Suzuki Brezza combines a naturally aspirated petrol engine with manual, automatic and factory-CNG choices. Its mileage varies substantially across those configurations. Buyers should compare ARAI-certified figures with reported city and highway results before deciding whether convenience, performance or the lowest fuel cost matters most.
Brezza mileage by fuel and gearbox
The brezza price certified petrol mileage varies by transmission and current specification, with figures around 17.4 kmpl for selected manual versions and close to 19.8 kmpl for selected automatic versions. The factory-CNG model is rated at roughly 25.5 km/kg. In reported use, petrol drivers often see about 12-15 kmpl in cities and 17-20 kmpl on highways. CNG results depend on load, pressure and refuelling quality.
| Parameter | Details |
| Certified petrol manual mileage | About 17.4 kmpl, version dependent |
| Certified petrol automatic mileage | About 19.8 kmpl, version dependent |
| Certified CNG efficiency | About 25.5 km/kg |
| Reported petrol city mileage | Around 12-15 kmpl |
| Reported petrol highway mileage | Around 17-20 kmpl |
Why the automatic can post a strong certified figure
An automatic is not always less efficient. Modern calibration can keep the engine near an economical operating point during the test cycle, and mild-hybrid assistance on applicable versions can support start-stop and energy recovery. Real-world congestion may still reduce the advantage because creeping, air-conditioning and repeated acceleration consume fuel. Buyers should prioritise the automatic for convenience, then treat any mileage benefit as route dependent.
City use: what pulls the average down
The Brezza is heavier and wider than a hatchback, so repeated stop-start movement requires more energy. Short school runs, long signals and basement ramps can produce a figure below the usual reported range. Drivers can improve results by moving off gently, leaving space to coast and avoiding unnecessary idling. Correct tyre pressure is particularly important because urban driving already contains frequent steering inputs and acceleration.
- Calculate petrol and CNG cost using local prices.
- Include boot-space needs in the CNG decision.
- Choose automatic primarily for convenience.
Highway use: where the petrol settles
On an open road, the 1.5-litre engine can cruise without working hard. A steady pace and early overtaking decisions help maintain efficiency. High speeds increase aerodynamic drag, while roof luggage and open windows add resistance. The manual offers direct gear control, whereas the automatic reduces fatigue. Both can return respectable highway numbers when the driver avoids abrupt speed changes and keeps the vehicle properly serviced.
CNG savings and the compromises involved
The CNG version can reduce fuel cost per kilometre for buyers with high daily running and dependable access to filling stations. It gives up some boot flexibility because of the cylinder and can feel less energetic with a full passenger load. Buyers should compare the local price of petrol and CNG, the distance to a station and the extra purchase cost. Savings are strongest when annual kilometres are high enough to recover that difference.
Choosing the Brezza version around your route
A petrol manual suits drivers who want lower initial cost and do not mind shifting. The automatic is attractive for dense traffic and can still deliver efficient cruising. CNG makes sense for predictable, brezza mileage use where refuelling is convenient. Instead of chasing the highest certified figure, buyers should estimate city and highway shares, calculate monthly fuel cost and test the selected version with the number of passengers normally carried.
A monthly running-cost exercise
Multiply expected monthly kilometres by the share driven in city and highway conditions, then divide each part by a conservative mileage figure. Add the two fuel quantities and multiply by local fuel price. Repeat the exercise for CNG, including any petrol used during start-up and the distance travelled to refuel. This produces a more honest comparison than using the highest certified number.
How annual running changes the Brezza choice
A commuter covering 1,800 km each month has a different Brezza decision from a family driving 600 km. High use can make factory CNG financially attractive when a station sits on the normal route and reduced boot space is acceptable. The lower-mileage household may prefer petrol because the additional purchase cost takes longer to recover. Within petrol, the automatic can justify itself through reduced fatigue even if city economy is similar to the manual. A monthly calculation using 12-15 kmpl for urban travel and 17-20 kmpl for highways provides a stronger budget than the headline claim. Local petrol and CNG prices should be used, and any detour for refuelling should be counted. The most economical Brezza is the version that lowers cost without creating a repeated inconvenience.
A Brezza mileage choice without guesswork
The Brezza buyer should first decide whether the daily problem is clutch fatigue, fuel cost or purchase price. Automatic, CNG and manual petrol versions solve those problems differently. A local fuel-cost calculation can show the monthly difference, while a test drive reveals the convenience and performance trade-offs. CNG should include the effect on boot use and refuelling access. Petrol estimates should use reported city and highway ranges rather than the best certified figure. This approach prevents a buyer from paying extra for a version whose main advantage is not needed and makes the eventual fuel budget easier to maintain.
