KTM 390 Adventure S vs Bajaj CNG Bike
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
KTM 390 Adventure S and Bajaj CNG Bike are from different segments and turn up together on most shortlists. The 390 Adventure S costs ₹3,00,774 more than the CNG Bike, so the question is whether what it adds is worth roughly 289% 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 7.5/10 for the 390 Adventure S and 6.5/10 for the CNG Bike.
Category by category
Price
CNG Bike
The CNG Bike starts ₹3,00,774 lower (₹1,04,237 against ₹4,05,011), about ₹9,530 a month less on a standard loan.
Running cost
CNG Bike
CNG Bike claims 91 kmpl against 26.5 kmpl. That is roughly ₹23,625 a year in fuel at 30 km a day.
Performance
390 Adventure S
390 Adventure S 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
390 Adventure S
390 Adventure S adds single-channel abs, front disc brake and rear disc brake and more that the CNG Bike does not have on any variant.
Features
390 Adventure S
390 Adventure S gets usd front forks, slipper clutch, projector headlamp and colour tft console and 4 more items.
City manners
CNG Bike
CNG Bike is 33 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 390 Adventure S.
Which one should you buy?
Buy the 390 Adventure S if
- you ride two-up or on highways and want the stronger engine
- your priority is long-distance touring with light off-road use
- your priority is riders upgrading from the 390 adventure
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
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | 390 Adventure S | CNG Bike |
|---|---|---|
| Ex-showroom | ₹4,05,011 | ₹1,04,237 |
| On-road, Delhi | ₹4,60,900 | ₹1,19,400 |
| Fuel, 5 years | ₹1,67,420 | ₹49,295 |
| Servicing, 5 years | ₹35,000 | ₹30,000 |
| Insurance renewals | ₹22,124 | ₹5,732 |
| Five-year total | ₹6,85,444 | ₹2,04,427 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | KTM390 Adventure S | BajajCNG Bike |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹4,05,011 | ₹1,04,237 |
| Rough EMI / month | ₹12,840 | ₹3,310 |
| Engine | ||
| Engine | 398.6 cc | 125 cc |
| Engine type | 1 Cylinder, Liquid Cooled, 4 Valves | 1 Cylinder, Air Cooled, 2 Valves |
| Power | 45.3 bhp | 9.3 bhp |
| Torque | 39 Nm | 9.7 Nm |
| Claimed mileage | 26.5 kmpl | 91 kmpl |
| Cooling | Liquid-cooled | Air-cooled |
| Transmission | 6 Speed | 5 Speed |
| Electric | ||
| Top speed | — | 93 km/h |
| Dimensions | ||
| Kerb weight | 182 kg | 149 kg |
| Fuel tank | 14.5 L | — |
| Seat height | 830 mm | 825 mm |
| Ground clearance | 237 mm | 170 mm |
| Wheelbase | 1470 mm | 1340 mm |
| Brakes & suspension | ||
| Front brake | Disc, 320 mm, 2 piston caliper | Drum, 130 mm |
| Rear brake | Disc, 240 mm, 1 piston caliper | Drum, 130 mm |
| ABS / CBS | Switchable ABS | CBS |
| Front suspension | WP Upside-Down Forks | Telescopic Fork |
| Rear suspension | Monoshock with Preload and Rebound Adjustment | Monoshock Absorber |
| Tyres | ||
| Front tyre | 90/90-21 | 90/80-17 |
| Rear tyre | 130/80-17 | 120/70-16 |
390 Adventure S vs CNG Bike: questions people ask
- Which is cheaper, the 390 Adventure S or the CNG Bike?
- The CNG Bike is cheaper by ₹3,00,774 at the base variant (₹1,04,237 against ₹4,05,011 ex-showroom Delhi).
- Which gives better mileage, the 390 Adventure S or the CNG Bike?
- The CNG Bike claims 91 kmpl against 26.5 kmpl. Real-world figures for both will be lower.
- What is the on-road price difference between the 390 Adventure S and CNG Bike in Delhi?
- About ₹3,41,500: roughly ₹4,60,900 for the 390 Adventure S and ₹1,19,400 for the CNG Bike, 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 ₹6,85,444 for the 390 Adventure S and ₹2,04,427 for the CNG Bike, including purchase, fuel, servicing and insurance renewals. The CNG Bike comes out ₹4,81,017 ahead.
