Bajaj CNG Bike vs Bajaj Pulsar NS400Z
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Bajaj Pulsar NS400Z are both sports bikes and turn up together on most shortlists. The Pulsar NS400Z costs ₹81,913 more than the CNG Bike, so the question is whether what it adds is worth roughly 79% extra.
On our category count it is a draw at 3 each, which usually means the two are aimed at different riders rather than one being better.
Category by category
Price
CNG Bike
The CNG Bike starts ₹81,913 lower (₹1,04,237 against ₹1,86,150), about ₹2,590 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 32 kmpl. That is roughly ₹18,310 a year in fuel at 30 km a day.
Performance
Pulsar NS400Z
Pulsar NS400Z has the better power-to-weight ratio: 228 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
Pulsar NS400Z
Pulsar NS400Z adds dual-channel abs and traction control that the CNG Bike does not have on any variant.
Features
Pulsar NS400Z
Pulsar NS400Z gets usd front forks, slipper clutch, bluetooth connectivity and turn-by-turn navigation and 2 more items.
City manners
CNG Bike
CNG Bike is 27 kg lighter, which you feel in traffic and when parking.
Which one should you buy?
Buy the CNG Bike if
- you want the lower purchase price and EMI
- mileage matters more to you than outright performance
- you are a new rider or shorter and want the lighter bike
- your priority is daily high-mileage commuting
Buy the Pulsar NS400Z if
- you ride two-up or on highways and want the stronger engine
- dual-channel ABS is non-negotiable for you
- your priority is performance riders
- your priority is weekend spirited riding
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | Pulsar NS400Z |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹1,86,150 |
| On-road, Delhi | ₹1,19,400 | ₹2,12,900 |
| Fuel, 5 years | ₹49,295 | ₹1,40,845 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹10,220 |
| Five-year total | ₹2,04,427 | ₹3,93,965 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | BajajPulsar NS400Z |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹1,86,150 |
| Rough EMI / month | ₹3,310 | ₹5,900 |
| Engine | ||
| Engine | 125 cc | 349.1 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Liquid Cooled, 4 Valves |
| Power | 9.3 bhp | 40.0 bhp |
| Torque | 9.7 Nm | 33.2 Nm |
| Claimed mileage | 91 kmpl | 32 kmpl |
| Cooling | Air-cooled | Liquid-cooled |
| Transmission | 5 Speed | 6 Speed |
| Electric | ||
| Top speed | 93 km/h | 157 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 176 kg |
| Fuel tank | — | 12 L |
| Seat height | 825 mm | — |
| Ground clearance | 170 mm | 165 mm |
| Wheelbase | 1340 mm | 1344 mm |
| Length | — | 1990 mm |
| Width | — | 846 mm |
| Height | — | 1057 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | — |
| Rear brake | Drum, 130 mm | — |
| ABS / CBS | CBS | Dual Channel ABS |
| Front suspension | Telescopic Fork | 43 mm USD |
| Rear suspension | Monoshock Absorber | Monoshock with Nitrox, 6 step adjustable |
| Tyres | ||
| Front tyre | 90/80-17 | 110/70-ZR17 |
| Rear tyre | 120/70-16 | 150/60-ZR17 |
CNG Bike vs Pulsar NS400Z: questions people ask
- Which is cheaper, the CNG Bike or the Pulsar NS400Z?
- The CNG Bike is cheaper by ₹81,913 at the base variant (₹1,04,237 against ₹1,86,150 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the Pulsar NS400Z?
- The CNG Bike claims 91 kmpl against 32 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and Pulsar NS400Z in Delhi?
- About ₹93,500: roughly ₹1,19,400 for the CNG Bike and ₹2,12,900 for the Pulsar NS400Z, base variants, including road tax, registration and insurance.
- Which costs less to own over five years?
- Our estimate for five years at 30 km a day in Delhi is ₹2,04,427 for the CNG Bike and ₹3,93,965 for the Pulsar NS400Z, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹1,89,538 ahead.
