Bajaj CNG Bike vs Honda Dio 125
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Honda Dio 125 are from different segments and turn up together on most shortlists. The Dio 125 undercuts the CNG Bike by ₹9,981, a gap big enough to notice on the EMI but not to decide the argument on its own.
The Dio 125 takes 4 of the 6 categories we score. Our overall ratings are 6.5/10 for the CNG Bike and 6/10 for the Dio 125.
Category by category
Price
Dio 125
The Dio 125 starts ₹9,981 lower (₹94,256 against ₹1,04,237), about ₹320 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
Dio 125
Dio 125 has the better power-to-weight ratio: 78 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
Dio 125
Dio 125 adds front disc brake that the CNG Bike does not have on any variant.
City manners
Dio 125
Dio 125 is 44 kg lighter, which you feel in traffic and when parking.
Warranty
CNG Bike
CNG Bike comes with 5 years of standard warranty against 3 on the Dio 125.
Which one should you buy?
Buy the CNG Bike if
- mileage matters more to you than outright performance
- a longer standard warranty gives you peace of mind
- your priority is daily high-mileage commuting
- your priority is fuel-cost-conscious riders
Buy the Dio 125 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
- your priority is style-conscious commuters
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | Dio 125 |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹94,256 |
| On-road, Delhi | ₹1,19,400 | ₹1,08,400 |
| Fuel, 5 years | ₹49,295 | ₹95,410 |
| Servicing, 5 years | ₹30,000 | ₹17,500 |
| Insurance renewals | ₹5,732 | ₹5,204 |
| Five-year total | ₹2,04,427 | ₹2,26,514 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | HondaDio 125 |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹94,256 |
| Rough EMI / month | ₹3,310 | ₹2,990 |
| Engine | ||
| Engine | 125 cc | 123.9 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Air Cooled, 2 Valves |
| Power | 9.3 bhp | 8.2 bhp |
| Torque | 9.7 Nm | 10.5 Nm |
| Claimed mileage | 91 kmpl | 47 kmpl |
| Cooling | Air-cooled | Air-cooled |
| Transmission | 5 Speed | CVT automatic |
| Electric | ||
| Top speed | 93 km/h | 95 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 105 kg |
| Fuel tank | — | 5.3 L |
| Seat height | 825 mm | — |
| Ground clearance | 170 mm | 171 mm |
| Wheelbase | 1340 mm | 1260 mm |
| Length | — | 1830 mm |
| Width | — | 707 mm |
| Height | — | 1172 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | Disc, 190 mm, 1 piston caliper |
| Rear brake | Drum, 130 mm | Drum, 130 mm |
| ABS / CBS | CBS | CBS |
| Front suspension | Telescopic Fork | Telescopic Suspension |
| Rear suspension | Monoshock Absorber | 3 Step Adjustable Spring Loaded Hydraulic |
| Tyres | ||
| Front tyre | 90/80-17 | 90/90-12 |
| Rear tyre | 120/70-16 | 90/100-10 |
CNG Bike vs Dio 125: questions people ask
- Which is cheaper, the CNG Bike or the Dio 125?
- The Dio 125 is cheaper by ₹9,981 at the base variant (₹94,256 against ₹1,04,237 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the Dio 125?
- 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 Dio 125 in Delhi?
- About ₹11,000: roughly ₹1,19,400 for the CNG Bike and ₹1,08,400 for the Dio 125, 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 ₹2,26,514 for the Dio 125, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹22,087 ahead.
