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Tata Tiago CNG vs Tata Aeris CNG: Which Is More Worth It?

•September 29, 2026
Tata Tiago CNG vs Tata Aeris CNG: Which Is More Worth It?

Tata Motors has recently launched the Aeris, a rebranded Tigor in a new avatar. Prices start at Rs 6.29 lakh and go up to Rs 9.74 lakh, ex-showroom. Its direct rivals are the Maruti Dzire, Hyundai Aura and Honda Amaze. However, anyone planning to buy a Tiago CNG with an AMT should consider the Aeris as well.

Tata Tiago CNG vs Tata Aeris CNG


Tata is known for its focus on safety and new technology. It's the brand that introduced twin-cylinder CNG technology, which helps create usable boot space, and it was also the first to offer a CNG car with an AMT gearbox. On top of that, Tata introduced the direct CNG start feature. But what happens when all this same technology is offered in two different cars with different body styles? The Tata Tiago CNG and the Tata Aeris CNG share the same engine, the same CNG tech, and almost identical features. Let's find out the difference between the Tata Tiago CNG and the Tata Aeris CNG in this comparison.

Dimensions

Dimension

Tata Tiago iCNG

Tata Aeris iCNG

Length

3,813 mm

3,995 mm

Width

1,684 mm

1,684 mm

Height

1,535 mm

1,532 mm

Wheelbase

2,400 mm

2,450 mm

Ground clearance

170 mm

170 mm

Tata Aeris is 182 mm longer compared to Tata Tiago. It also offers more legroom with a 50 mm more wheelbase on offer. Aeris being a sedan offers a more dedicated boot space compared to Tiago. However, the width, height and ground clearance are almost identical.

Interior

Tata Tiago CNG vs Tata Aeris CNG


Both the CNG cars have almost identical interiors. The Aeris comes with a beige-colored interior, which looks more open, whereas the Tiago comes with a black interior, which looks a bit claustrophobic. They both come with the same screens for infotainment and driver display. 

Engine and Performance

Spec

Tata Tiago iCNG

Tata Aeris iCNG

Engine

1.2L Revotron, 3-cyl

1.2L Revotron, 3-cyl

Displacement

1,199cc

1,199cc

Power (CNG mode)

75.5 PS @ 6,000rpm

75.5 PS @ 6,000rpm

Torque (CNG mode)

96.5 Nm @ 3,500rpm

96.5 Nm @ 3,500rpm

Transmission

5-speed MT or 5-speed AMT

5-speed MT or 5-speed AMT

CNG tank capacity

70 litres (twin-cylinder)

70 litres (twin-cylinder)

Both the cars are mechanically identical under the hood with the same engine, power output and torque. They both have the same twin-cylinder CNG setup with the same capacity. Even the transmission option on offer is the same in both, manual and automatic.

Features

Both cars have direct CNG start, thermal incident protection and gas leak detection, paddle shifters with AMT, and six airbags as standard. The major difference is that the Aeris CNG gets a 360-degree camera along with a dashcam. The Tiago only gets a 360-degree parking camera.

On the convenience front, the Aeris CNG offers ventilated seats and a cooled glove box. Indian summers are very harsh, so these features, for a small push in budget, can make your drive easier for years to come.

Price and Variants

MT Comparison

Tata Tiago iCNG Variant

Tiago MT Price

Difference

Aeris MT Price

Tata Aeris iCNG Variant

Smart

Rs 5.79 lakh

Rs 50,000

Rs 6.29 lakh

Smart

Pure

Rs 6.49 lakh

Rs 65,000

Rs 7.14 lakh

Pure

Pure+

Rs 6.99 lakh

Rs 75,000

Rs 7.74 lakh

Pure Plus

Pure+ A

Rs 7.49 lakh

Rs 1.00 lakh

Rs 8.49 lakh

Creative

Creative

Rs 7.99 lakh

Rs 1.20 lakh

Rs 9.19 lakh

Accomplished

AMT Comparison

Tata Tiago iCNG Variant

Tiago AMT Price

Difference

Aeris AMT Price

Tata Aeris iCNG Variant

Smart

–

–

–

Smart

Pure

Rs 7.05 lakh

Rs 64,000

Rs 7.69 lakh

Pure

Pure+

Rs 7.55 lakh

Rs 74,000

Rs 8.29 lakh

Pure Plus

Pure+ A

Rs 8.01 lakh

Rs 1.03 lakh

Rs 9.04 lakh

Creative

Creative

Rs 8.55 lakh

Rs 1.19 lakh

Rs 9.74 lakh

Accomplished

The Tiago undercuts the Aeris at every trim, with a gap of nearly Rs 50,000 to Rs 75,000. However, with this extra premium, buyers get a few more features, like ventilated seats, more legroom and a more practical boot. The Aeris also makes more sense as a sedan, since sedans are more aerodynamic than hatchbacks, which helps with fuel efficiency. This amount looks like a bigger upfront cost but can be recovered in the long run. 

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