Bajaj CNG Bike vs Hero MotoCorp HF Deluxe Flex Fuel
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Hero MotoCorp HF Deluxe Flex Fuel are both sports bikes and turn up together on most shortlists. The CNG Bike costs ₹34,425 more than the HF Deluxe Flex Fuel, so the question is whether what it adds is worth roughly 49% 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
HF Deluxe Flex Fuel
The HF Deluxe Flex Fuel starts ₹34,425 lower (₹69,812 against ₹1,04,237), about ₹1,100 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 65 kmpl. That is roughly ₹4,006 a year in fuel at 30 km a day.
Performance
HF Deluxe Flex Fuel
HF Deluxe Flex Fuel has the better power-to-weight ratio: 75 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
CNG Bike
CNG Bike adds combi-brake (cbs) that the HF Deluxe Flex Fuel does not have on any variant.
Features
CNG Bike
CNG Bike gets rear monoshock, led headlamp, led tail lamp and usb charging port.
City manners
HF Deluxe Flex Fuel
HF Deluxe Flex Fuel is 36.5 kg lighter and lower in the seat (805 mm), which you feel in traffic and when parking.
Which one should you buy?
Buy the CNG Bike if
- mileage matters more to you than outright performance
- your priority is daily high-mileage commuting
- your priority is fuel-cost-conscious riders
Buy the HF Deluxe Flex Fuel if
- you want the lower purchase price and EMI
- you ride two-up or on highways and want the stronger engine
- you are a new rider or shorter and want the lighter bike
- you live where Hero MotoCorp's bigger service network matters
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | HF Deluxe Flex Fuel |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹69,812 |
| On-road, Delhi | ₹1,19,400 | ₹81,600 |
| Fuel, 5 years | ₹49,295 | ₹69,325 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹3,916 |
| Five-year total | ₹2,04,427 | ₹1,84,841 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | Hero MotoCorpHF Deluxe Flex Fuel |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹69,812 |
| Rough EMI / month | ₹3,310 | ₹2,210 |
| Engine | ||
| Engine | 125 cc | 97.2 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Air Cooled, 2 Valves |
| Power | 9.3 bhp | 8.4 bhp |
| Torque | 9.7 Nm | 8.3 Nm |
| Claimed mileage | 91 kmpl | 65 kmpl |
| Cooling | Air-cooled | Air-cooled |
| Transmission | 5 Speed | 4 Speed |
| Electric | ||
| Top speed | 93 km/h | 85 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 112.5 kg |
| Fuel tank | — | 9.6 L |
| Seat height | 825 mm | 805 mm |
| Ground clearance | 170 mm | 165 mm |
| Wheelbase | 1340 mm | 1235 mm |
| Length | — | 1965 mm |
| Width | — | 720 mm |
| Height | — | 1045 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | Drum, 130 mm |
| Rear brake | Drum, 130 mm | Drum, 130 mm |
| ABS / CBS | CBS | IBS |
| Front suspension | Telescopic Fork | Telescopic Hydraulic Shock Absorber |
| Rear suspension | Monoshock Absorber | Swingarm with 2-Step Adjustable Hydraulic Shock Absorbers |
| Tyres | ||
| Front tyre | 90/80-17 | 80/100-18 |
| Rear tyre | 120/70-16 | 80/100-18 |
CNG Bike vs HF Deluxe Flex Fuel: questions people ask
- Which is cheaper, the CNG Bike or the HF Deluxe Flex Fuel?
- The HF Deluxe Flex Fuel is cheaper by ₹34,425 at the base variant (₹69,812 against ₹1,04,237 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the HF Deluxe Flex Fuel?
- The CNG Bike claims 91 kmpl against 65 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and HF Deluxe Flex Fuel in Delhi?
- About ₹37,800: roughly ₹1,19,400 for the CNG Bike and ₹81,600 for the HF Deluxe Flex Fuel, 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 ₹1,84,841 for the HF Deluxe Flex Fuel, including purchase, fuel, servicing and insurance renewals. The HF Deluxe Flex Fuel comes out ₹19,586 ahead.
