Hyundai has entered the realm of twin-cylinder CNG technology with its Hy-CNG Duo, debuting in the popular Exter model. This move mirrors Tata’s earlier innovation with the iCNG technology. Let’s compare the new Hyundai Exter with its direct competitor, the Tata Punch iCNG, to see how they stack up.
Launch and Availability
Hyundai’s Exter equipped with Hy-CNG Duo technology marks the company’s first step into twin-cylinder CNG powertrains. Unlike Tata, Hyundai will continue offering its single-cylinder CNG variants alongside the new twin-cylinder versions. The current Hy-CNG Duo technology is available only in the Exter but may soon be included in other models like the Grand i10 NIOS and Aura.
Detailed Comparison – Exter Hy-CNG Duo vs Punch iCNG
Here’s a side-by-side comparison of the Hyundai Exter Hy-CNG Duo and the Tata Punch iCNG:
| Feature | Tata Punch iCNG | Hyundai Exter Hy-CNG Duo |
|---|---|---|
| Engine Capacity | 1199 cc, 3 Cylinders Inline, SOHC | 1197 cc, 4 Cylinders Inline, DOHC |
| Engine Type | 1.2 Revotron | 1.2 Kappa |
| Fuel Type | CNG | CNG |
| Max Power (bhp @ rpm) | 72 bhp @ 6000 rpm | 68 bhp @ 6000 rpm |
| Max Torque (Nm @ rpm) | 103 Nm @ 3250 rpm | 95.2 Nm @ 4000 rpm |
| Mileage (ARAI) (kmpl) | 26.99 | 27.1 |
| Driving Range (km) | 1619 | 1626 |
| Drivetrain | FWD | FWD |
| Airbags | 2 (Driver, Front Passenger) | 6 (Driver, Front Passenger, 2 Curtain, Driver Side, Front Passenger Side) |
| Price (Ex-showroom) | Rs 7.23 lakh | Rs 8.5 lakh |
Pricing and Variants
The Hyundai Exter Hy-CNG Duo’s pricing starts at Rs 8.5 lakh (Ex-showroom). It is available in three variants: S Hy-CNG Duo, SX Hy-CNG Duo (Rs 9.23 lakh), and SX Knight Hy-CNG Duo (Rs 9.38 lakh). On the other hand, the Tata Punch iCNG starts at Rs 7.23 lakh (Ex-showroom).
Engine and Performance
The Exter Hy-CNG Duo features a 1.2L 4-cylinder naturally aspirated petrol engine that runs on both petrol and CNG, paired with a 5-speed manual gearbox. Hyundai claims a fuel efficiency of up to 27.1 kmpl, with the twin cylinders capable of holding up to 60 liters of water equivalent.
Comparatively, the Tata Punch iCNG has a slightly larger 1.2L 3-cylinder engine. While it delivers a bit more power (72 bhp) and torque (103 Nm) than the Exter, it has a marginally lower fuel efficiency at 26.99 kmpl.
Safety Features
One of the standout differences is in the safety features. The Hyundai Exter Hy-CNG Duo comes equipped with six airbags across its variants, offering enhanced safety for all passengers. In contrast, the Tata Punch iCNG offers two airbags as standard.
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