Maruti Ertiga and Kia Carens Clavis are multi-utility vehicles (MUVs). The Maruti Ertiga came to India in 2012 and is currently on just the second generation. The Kia Carens Clavis was launched in India recently in 2025 and is still in its first generation. Available in both petrol and CNG variants, the Ertiga has its best mileage at 24 Km/Kg on the CNG version. The best mileage in the Kia Carens Clavis is only available in the diesel variant, with an average mileage of 19 Km/l on manual transmission on the highways. The petrol variant of the Ertiga fares better than that in the Carens Clavis.
The Ertiga received a facelift in 2022 when it was upgraded with the K15C DualJet engine with a 6-speed transmission. The Kia Carens Clavis is not a direct competitor to the Ertiga but it does give a strong fight to the latter with it’s more powerful engine and premium features. At the same time, the CNG option in the Ertiga goes unmatched, which not only delivers the highest mileage but is also suitable for day-to-day usage. This article provides a detailed comparison of the mileage and fuel cost of the Maruti Ertiga and Kia Carens Clavis.
Table of Contents
Maruti Ertiga vs Kia Carens Clavis Specs
The quick details on the engine types, power, torque, and fuel tank capacity of the Maruti Ertiga and Kia Carens Clavis are given in the table below.
| Specification | Maruti Ertiga | Kia Carens Clavis |
| Engine | 1.5L K15C Smart Hybrid 1.5L K15C S-CNG | Smartstream G1.5 T-GDi petrolSmartstream G1.5 NA petrol1.5L CRDi VGT diesel |
| Displacement | 1462 cc | Smartstream G1.5 T-GDi – 1482Smartstream G1.5 – 14971.5L CRDi VGT – 1493 |
| Power | Petrol: 103.06 hpsCNG: 87/8 hps | Smartstream G1.5 T-GDi – 160 hps Smartstream G1.5 – 115 hps1.5L CRDi VGT – 116 hps |
| Torque | Smart Hybrid: 136.8 NmCNG: 121.5 Nm | Smartstream G1.5 T-GDi – 253 NmSmartstream G1.5 – 143.8 Nm1.5L CRDi VGT – 250 Nm |
| Transmission | 5-Speed Manual6-Speed Automatic | 6-Speed MT6-Speed iMT6-Speed AT7-Speed DCT |
| Drive layout | 2-Wheel DriveFront-wheel Drive | 2-Wheel Drive |
| Kerb weight | 1150-1205 Kg | 1221- 1535 kg |
| Fuel tank capacity | Petrol: 45 LitresCNG: 60 Litres | 45 litres |
Ertiga and Carens Clavis have the same fuel tank capacity and a naturally aspirated petrol engine option. However, the Kia Carens Clavis has two more engine options- a turbo petrol and a diesel. Both the MUVs have 2-wheel drive, but the Ertiga has an additional front-wheel drive option, depending on the variant. The Kia Carens Clavis come with different and advanced gearboxes. Kia Carens Clavis has more powerful engine options delivering more power and torque. The CNG option is only available with the Ertiga.
Maruti Ertiga vs Kia Carens Clavis: ARAI Mileage Figures
The table below has the ARAI mileage figures of Maruti Ertiga and Kia Carens Clavis to know the expected mileage of each MUV.
| Engine & Transmission | Fuel Type | Maruti Ertiga – ARAI Mileage (km/l) | Kia Carens Clavis- ARAI Mileage (km/l) |
| 1.5L K15C Smart Hybrid MT | Petrol | 20.51 Km/l | NA |
| 1.5L K15C Smart Hybrid AT | Petrol | 20.30 Km/l | NA |
| 1.5L K15C CNG MT | CNG | 26.11 Km/Kg | NA |
| Smartstream G1.5 T-GDi MT | Petrol | NA | 15.34 Km/l |
| Smartstream G1.5 T-GDi iMT | Petrol | NA | 15.95 Km/l |
| Smartstream G1.5 T-GDi DCT | Petrol | NA | 16.66 Km/l |
| 1.5l CRDi VGT MT | Diesel | NA | 17.50 Km/l |
| 1.5l CRDi VGT AT | Diesel | NA | 19.54 Km/l |
The data from the table above shows that it is the Maruti Ertiga that shows a better mileage on paper. Its lowest mileage is still more than the highest mileage recorded by the Kia Carens Clavis. However, the ARAI figures do not match the actual mileage on the roads.
Also Read: How to Increase Maruti Suzuki Ertiga Mileage?
Maruti Ertiga vs Kia Carens Clavis: Real World Fuel-Efficiency
The fuel efficiency of cars is seen when they are driven on the road. The city and highway mileage recorded for the Maruti Ertiga and Kia Carens Clavis are tabulated here. These figures are just an indication of what to expect, and they may vary based on different road and environmental conditions.
| Maruti Ertiga (Petrol) | Kia Carens Clavis (Petrol) | Maruti Ertiga CNG | Kia Carens Clavis (Diesel) | |
| City | Manual: 16-18 Km/lAutomatic: 14-16 Km/l | Manual: 10-12 Km/lAutomatic: 9-11 Km/l | 22-24 Km/Kg | Manual: 13-15 Km/lAutomatic: 12-14 Km/l |
| Highway | Manual: 18-20 Km/lAutomatic: 17-19 Km/l | Manual: 14-16 Km/lAutomatic: 13-15 Km/l | 24-26 Km/Kg | Manual: 18-20 Km/lAutomatic: 17-19 Km/l |
| Average | Manual: 18 Km/lAutomatic: 16.5 Km/l | Manual: 13 Km/lAutomatic: 11 Km/l | 24 Km/Kg | Manual: 16.5 Km/lAutomatic: 15.5 Km/l |
| Tank range | 700-800 Km | 480-550 Km | 900- 1000 km | 600-700 Km |
From this data, it is seen that the Maruti Ertiga CNG is the winner, with its actual mileage staying close to the claimed figures and having a better fuel range. Even on city roads, it delivers excellent mileage. When the petrol engines are compared, Ertiga still wins as its deficit from the claimed figures is lesser. The mileage of Kia Carens Clavis is competent on highways for both petrol and diesel variants. On city roads, its diesel variant can perform better than petrol variants.
Also Read: Maruti Ertiga Mileage Comparison: Petrol vs CNG
Maruti Ertiga vs Kia Carens Clavis: Fuel Cost Comparison
The fuel cost comparison will help connect the mileage figures and the actual cost spent on these MUVs. For this calculation, the distance travelled is set at 1500 Km per month, and the fuel prices are calculated at an average rate of Rs. 111 for petrol and Rs. 98 for diesel. The CNG rate is calculated at Rs.85, as it varies from one city to another.
| Maruti Ertiga Petrol | Kia Carens Clavis Petrol | Maruti Ertiga CNG | Kia Carens Clavis Diesel | |
|---|---|---|---|---|
| Monthly Running | 1500 km | 1500 km | 1500 km | 1500 km |
| Monthly Fuel Use | 85L | 125L | 65 Kg | 95L |
| Average Monthly Fuel Cost | ₹9435 | ₹13,875 | ₹5525 | ₹9310 |
| Average Yearly Fuel Cost | ₹1.13 lakhs | ₹1.66 lakhs | ₹66,300 | ₹1.11 lakhs |
| 5-Year Fuel Cost | ₹5.66 lakhs | ₹8.32 lakhs | ₹3.31 lakhs | ₹5.58 lakhs |
The calculations show that the Maruti Ertiga CNG is the most fuel-efficient and therefore the most economical option compared to the Kia Carens Clavis. The petrol variant of Carens Clavis would be the most expensive one. The Ertiga petrol and Carens Clavis diesel variants will have a similar expense, based on their average mileage. The fuel cost will vary with different circumstances and whether you drive more in the city or on highways. However, the mileage and fuel cost of the Ertiga CNG would be unmatched.
Also Read: Kia Carens Clavis Mileage Comparison: Petrol vs Diesel vs Turbo Petrol vs Electric
Maruti Ertiga vs Kia Carens Clavis Price
Just to have an idea about the ex-showroom price of Maruti Ertiga and Kia Carens Clavis, the price range of their variants is provided in the table below.
| Model | Variant (Base to Top) | Price (Ex-Showroom) |
| Maruti Ertiga | LXi to ZXi+ | ₹ 8.85 lakhs to ₹13.04 lakhs |
| Kia Carens Clavis | HTE to GTX+ | ₹ 11.23 lakhs to ₹ 21.67 lakhs |
Maruti Ertiga has a lower initial investment and could save more on fuel costs with better mileage.
Summary
This comparative analysis of mileage of Maruti Ertiga and Kia Carens Clavis shows that Ertiga is the winner. It has both excellent fuel efficiency and lower fuel cost. Moreover, its base variants have a lower ex-showroom price than the Carens Clavis. The Ertiga CNG variant takes the price on all accounts, with the best performance on city roads and highways. Kia Carens Clavis has premium features, including spacious third-row seats, but its fuel expenses are quite higher. The Ertiga also has three rows and comfortable seats. It is also available at affordable rates and gives better savings on fuel.
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FAQs About Maruti Ertiga vs Kia Carens Clavis Mileage
Q. Is the Ertiga more economical for large families?
Yes, the Ertiga is a good buy for larger families on a budget. It is reasonably priced and can do a good job with high mileage both on the highway and in the city. It is also good for everyday rides with a comfortable interior.
Q. Which is more convenient in daily commuting, Maruti Ertiga or Kia Carens Clavis?
Maruti Ertiga CNG is the most fuel-efficient option for daily commuting. The petrol variants of both these MUVs have good mileage, but that does not match the mileage of CNG. Moreover, with the rising petrol price, the monthly and yearly fuel expenses can be quite higher for the other variants.
Q. How suitable is the Carens Clavis for long-distance travel despite lower mileage?
If you are looking for more comfort, then the Kia Carens Clavis is the winner for long-distance travel. However, it may not have superior mileage and can be expensive on fuel charges. Despite these flaws, its premium and advanced features will keep the passengers comfortable, even those travelling in the third row. Its turbo engine makes driving effortless, and the safety features will reduce travel fatigue.
Q. Does the Ertiga CNG provide a major savings advantage?
Yes, the Ertiga CNG can deliver some dramatic savings on fuel expenses. It costs a mere Rs. 5K monthly, around Rs.70K annually, and Rs.3.33 lakhs over 5 years. When compared to the petrol variant, there could be an advantage of Rs. 2.30 lakhs on fuel cost in 5 years.
Q. Which MPV is the smarter choice for budget-conscious buyers, Ertiga or Carens Clavis?
If you are looking for an economic MUV with low fuel cost and better mileage, Maruti Ertiga will be the best option. It will also have good resale value in the future. If you are looking for comfort and safety while travelling, then the Kia Carens Clavis is your best choice. Even though it has lower mileage than the Ertiga, it can still do well with its powerful engine, spacious cabin, and more safety features.
