Bajaj CNG Bike vs Bajaj Dominar 400
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and Bajaj Dominar 400 are both sports bikes and turn up together on most shortlists. The Dominar 400 costs ₹1,04,093 more than the CNG Bike, so the question is whether what it adds is worth roughly 100% extra.
The CNG Bike 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 7/10 for the Dominar 400.
Category by category
Price
CNG Bike
The CNG Bike starts ₹1,04,093 lower (₹1,04,237 against ₹2,08,330), about ₹3,300 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 30 kmpl. That is roughly ₹20,220 a year in fuel at 30 km a day.
Performance
Dominar 400
Dominar 400 has the better power-to-weight ratio: 211 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
Dominar 400
Dominar 400 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 400
Dominar 400 gets usd front forks, slipper clutch, bluetooth connectivity and turn-by-turn navigation and 2 more items.
City manners
CNG Bike
CNG Bike is 41 kg lighter and taller in the seat (825 mm), which you feel in traffic and when parking.
Warranty
CNG Bike
CNG Bike comes with 5 years of standard warranty against 3 on the Dominar 400.
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
- a longer standard warranty gives you peace of mind
Buy the Dominar 400 if
- you ride two-up or on highways and want the stronger engine
- dual-channel ABS is non-negotiable for you
- your priority is highway touring
- your priority is riders upgrading from smaller dominars
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | Dominar 400 |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹2,08,330 |
| On-road, Delhi | ₹1,19,400 | ₹2,37,200 |
| Fuel, 5 years | ₹49,295 | ₹1,50,395 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹11,384 |
| Five-year total | ₹2,04,427 | ₹4,28,979 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | BajajDominar 400 |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹2,08,330 |
| Rough EMI / month | ₹3,310 | ₹6,610 |
| 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 | 30 kmpl |
| Cooling | Air-cooled | Liquid-cooled |
| Transmission | 5 Speed | 6 Speed |
| Electric | ||
| Top speed | 93 km/h | — |
| Dimensions | ||
| Kerb weight | 149 kg | 190 kg |
| Fuel tank | — | 13 L |
| Seat height | 825 mm | 800 mm |
| Ground clearance | 170 mm | 157 mm |
| Wheelbase | 1340 mm | 1452 mm |
| Length | — | 2151 mm |
| Width | — | 834 mm |
| Height | — | 1243 mm |
| Brakes & suspension | ||
| Front brake | Drum, 130 mm | Disc, 320 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 | USD Forks |
| Rear suspension | Monoshock Absorber | Monoshock with canister |
| Tyres | ||
| Front tyre | 90/80-17 | 110/70-R17 |
| Rear tyre | 120/70-16 | 150/60-R17 |
CNG Bike vs Dominar 400: questions people ask
- Which is cheaper, the CNG Bike or the Dominar 400?
- The CNG Bike is cheaper by ₹1,04,093 at the base variant (₹1,04,237 against ₹2,08,330 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the Dominar 400?
- The CNG Bike claims 91 kmpl against 30 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and Dominar 400 in Delhi?
- About ₹1,17,800: roughly ₹1,19,400 for the CNG Bike and ₹2,37,200 for the Dominar 400, 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 ₹4,28,979 for the Dominar 400, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹2,24,552 ahead.
