Bajaj CNG Bike vs Bajaj Dominar 250
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Bajaj Dominar 250 are both sports bikes and turn up together on most shortlists. The Dominar 250 costs ₹82,588 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 ₹82,588 lower (₹1,04,237 against ₹1,86,825), about ₹2,610 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 35 kmpl. That is roughly ₹18,310 a year in fuel at 30 km a day.
Performance
Dominar 250
Dominar 250 has the better power-to-weight ratio: 148 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
Dominar 250
Dominar 250 adds dual-channel abs, front disc brake and rear disc brake and more that the CNG Bike does not have on any variant.
Features
Dominar 250
Dominar 250 gets usd front forks, slipper clutch, bluetooth connectivity and turn-by-turn navigation and 2 more items.
City manners
CNG Bike
CNG Bike is 31 kg lighter and taller in the seat (825 mm), 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 Dominar 250 if
- you ride two-up or on highways and want the stronger engine
- dual-channel ABS is non-negotiable for you
- your priority is long highway trips
- your priority is two-up touring
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | Dominar 250 |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹1,86,825 |
| On-road, Delhi | ₹1,19,400 | ₹2,13,600 |
| Fuel, 5 years | ₹49,295 | ₹1,40,845 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹10,252 |
| Five-year total | ₹2,04,427 | ₹3,94,697 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | BajajDominar 250 |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹1,86,825 |
| Rough EMI / month | ₹3,310 | ₹5,920 |
| Engine | ||
| Engine | 125 cc | 248.8 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Liquid Cooled, 4 Valves |
| Power | 9.3 bhp | 26.6 bhp |
| Torque | 9.7 Nm | 23.5 Nm |
| Claimed mileage | 91 kmpl | 35 kmpl |
| Cooling | Air-cooled | Liquid-cooled |
| Transmission | 5 Speed | 6 Speed |
| Electric | ||
| Top speed | 93 km/h | 132 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 180 kg |
| Fuel tank | — | 13 L |
| Seat height | 825 mm | 800 mm |
| Ground clearance | 170 mm | 157 mm |
| Wheelbase | 1340 mm | 1453 mm |
| Length | — | 2156 mm |
| Width | — | 836 mm |
| Height | — | 1112 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | Disc, 300 mm, 2 piston caliper |
| Rear brake | Drum, 130 mm | Disc, 230 mm, 1 piston caliper |
| ABS / CBS | CBS | Dual Channel ABS |
| Front suspension | Telescopic Fork | Telescopic, 37mm USD Fork, 135mm travel |
| Rear suspension | Monoshock Absorber | Multi-step adjustable Mono shock with Nitrox, Wheel stroke of 110mm |
| Tyres | ||
| Front tyre | 90/80-17 | 100/80-17 |
| Rear tyre | 120/70-16 | 130/70-17 |
CNG Bike vs Dominar 250: questions people ask
- Which is cheaper, the CNG Bike or the Dominar 250?
- The CNG Bike is cheaper by ₹82,588 at the base variant (₹1,04,237 against ₹1,86,825 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the Dominar 250?
- The CNG Bike claims 91 kmpl against 35 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and Dominar 250 in Delhi?
- About ₹94,200: roughly ₹1,19,400 for the CNG Bike and ₹2,13,600 for the Dominar 250, 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 ₹3,94,697 for the Dominar 250, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹1,90,270 ahead.
