Bajaj CNG Bike vs Yamaha FZ X
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Yamaha FZ X are both sports bikes and turn up together on most shortlists. The CNG Bike undercuts the FZ X by ₹22,301, a gap big enough to notice on the EMI but not to decide the argument on its own.
The FZ X takes 4 of the 7 categories we score, so this is close and comes down to what you weight. Our overall ratings are 6.5/10 for the CNG Bike and 6.5/10 for the FZ X.
Category by category
Price
CNG Bike
The CNG Bike starts ₹22,301 lower (₹1,04,237 against ₹1,26,538), about ₹700 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 47 kmpl. That is roughly ₹9,223 a year in fuel at 30 km a day.
Performance
FZ X
FZ X has the better power-to-weight ratio: 88 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
FZ X
FZ X adds single-channel abs, front disc brake and rear disc brake and more that the CNG Bike does not have on any variant.
Features
FZ X
FZ X gets projector headlamp, bluetooth connectivity and engine kill switch.
City manners
FZ X
FZ X is 10 kg lighter and lower in the seat (810 mm), which you feel in traffic and when parking.
Warranty
CNG Bike
CNG Bike comes with 5 years of standard warranty against 2 on the FZ X.
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
- a longer standard warranty gives you peace of mind
- you live where Bajaj's bigger service network matters
Buy the FZ X if
- you ride two-up or on highways and want the stronger engine
- you are a new rider or shorter and want the lighter bike
- your priority is style-focused daily riders
- your priority is broken-road commutes
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | FZ X |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹1,26,538 |
| On-road, Delhi | ₹1,19,400 | ₹1,43,900 |
| Fuel, 5 years | ₹49,295 | ₹95,410 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹6,908 |
| Five-year total | ₹2,04,427 | ₹2,76,218 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | YamahaFZ X |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹1,26,538 |
| Rough EMI / month | ₹3,310 | ₹4,010 |
| Engine | ||
| Engine | 125 cc | 149 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Air Cooled, 2 Valves |
| Power | 9.3 bhp | 12.2 bhp |
| Torque | 9.7 Nm | 13.3 Nm |
| Claimed mileage | 91 kmpl | 47 kmpl |
| Cooling | Air-cooled | Air-cooled |
| Transmission | 5 Speed | 5 Speed |
| Electric | ||
| Top speed | 93 km/h | 110 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 139 kg |
| Fuel tank | — | 10 L |
| Seat height | 825 mm | 810 mm |
| Ground clearance | 170 mm | 165 mm |
| Wheelbase | 1340 mm | 1330 mm |
| Length | — | 2020 mm |
| Width | — | 785 mm |
| Height | — | 1115 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | Disc, 282 mm, 2 piston caliper |
| Rear brake | Drum, 130 mm | Disc, 220 mm, 1 piston caliper |
| ABS / CBS | CBS | Single Channel ABS |
| Front suspension | Telescopic Fork | Telescopic Fork, 41mm Inner Tube Diameter, with Fork Boot |
| Rear suspension | Monoshock Absorber | 7-Step Adjustable Monocross Suspension |
| Tyres | ||
| Front tyre | 90/80-17 | 100/80-17 |
| Rear tyre | 120/70-16 | 140/60-R17 |
CNG Bike vs FZ X: questions people ask
- Which is cheaper, the CNG Bike or the FZ X?
- The CNG Bike is cheaper by ₹22,301 at the base variant (₹1,04,237 against ₹1,26,538 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the FZ X?
- The CNG Bike claims 91 kmpl against 47 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and FZ X in Delhi?
- About ₹24,500: roughly ₹1,19,400 for the CNG Bike and ₹1,43,900 for the FZ X, 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 ₹2,76,218 for the FZ X, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹71,791 ahead.
