Bajaj CNG Bike vs KTM RC 390
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Bajaj CNG Bike and KTM RC 390 are both sports bikes and turn up together on most shortlists. The RC 390 costs ₹2,28,701 more than the CNG Bike, so the question is whether what it adds is worth roughly 219% 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 7.5/10 for the RC 390.
Category by category
Price
CNG Bike
The CNG Bike starts ₹2,28,701 lower (₹1,04,237 against ₹3,32,938), about ₹7,250 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 29 kmpl. That is roughly ₹21,831 a year in fuel at 30 km a day.
Performance
RC 390
RC 390 has the better power-to-weight ratio: 249 against 62 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
RC 390
RC 390 adds dual-channel abs, front disc brake and rear disc brake and more that the CNG Bike does not have on any variant.
Features
RC 390
RC 390 gets usd front forks, slipper clutch, projector headlamp and colour tft console and 3 more items.
City manners
CNG Bike
CNG Bike is 23 kg lighter and lower 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 2 on the RC 390.
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 RC 390 if
- you ride two-up or on highways and want the stronger engine
- dual-channel ABS is non-negotiable for you
- your priority is weekend track and canyon riding
- your priority is riders upgrading from the rc 200
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | CNG Bike | RC 390 |
|---|---|---|
| Ex-showroom | ₹1,04,237 | ₹3,32,938 |
| On-road, Delhi | ₹1,19,400 | ₹3,81,800 |
| Fuel, 5 years | ₹49,295 | ₹1,58,450 |
| Servicing, 5 years | ₹30,000 | ₹30,000 |
| Insurance renewals | ₹5,732 | ₹18,328 |
| Five-year total | ₹2,04,427 | ₹5,88,578 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | BajajCNG Bike | KTMRC 390 |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,04,237 | ₹3,32,938 |
| Rough EMI / month | ₹3,310 | ₹10,560 |
| Engine | ||
| Engine | 125 cc | 373.3 cc |
| Engine type | 1 Cylinder, Air Cooled, 2 Valves | 1 Cylinder, Liquid Cooled, 4 Valves |
| Power | 9.3 bhp | 42.9 bhp |
| Torque | 9.7 Nm | 37 Nm |
| Claimed mileage | 91 kmpl | 29 kmpl |
| Cooling | Air-cooled | Liquid-cooled |
| Transmission | 5 Speed | 6 Speed |
| Electric | ||
| Top speed | 93 km/h | 160 km/h |
| Dimensions | ||
| Kerb weight | 149 kg | 172 kg |
| Fuel tank | — | 13.7 L |
| Seat height | 825 mm | 835 mm |
| Ground clearance | 170 mm | 153 mm |
| Wheelbase | 1340 mm | 1355 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 | WP APEX USD forks, 43 mm diameter |
| Rear suspension | Monoshock Absorber | WP APEX Monoshock, 10 step adjustable |
| Tyres | ||
| Front tyre | 90/80-17 | 110/70-17 |
| Rear tyre | 120/70-16 | 150/60-17 |
CNG Bike vs RC 390: questions people ask
- Which is cheaper, the CNG Bike or the RC 390?
- The CNG Bike is cheaper by ₹2,28,701 at the base variant (₹1,04,237 against ₹3,32,938 ex-showroom Delhi).
- Which gives better mileage, the CNG Bike or the RC 390?
- The CNG Bike claims 91 kmpl against 29 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the CNG Bike and RC 390 in Delhi?
- About ₹2,62,400: roughly ₹1,19,400 for the CNG Bike and ₹3,81,800 for the RC 390, 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 ₹5,88,578 for the RC 390, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹3,84,151 ahead.
