KTM 390 Duke R vs KTM 50 Sx
KTM 390 Duke R vs KTM 50 Sx: KTM 390 Duke R starts at ₹345,293 and KTM 50 Sx starts at ₹475,000. KTM 390 Duke R is cheaper by ₹129,707 at expected ex-showroom. KTM 390 Duke R is listed at 29 kmpl; KTM 50 Sx is listed at 30 kmpl. KTM 50 Sx claims 1 kmpl more.
Comparison overview
| Key highlights | 390 Duke R | 50 Sx |
|---|---|---|
| Expected ex-showroom | ₹345,293 | ₹475,000 |
| Engine | 399 cc | 499 cc |
| Mileage | 29.0 kmpl | 30.0 kmpl |
| Power | 45.3707 bhp @ 8500 rpm | 5.3 bhp @ 11500 rpm |
| Top speed | 167 kmph | — |
Specifications
Performance 3
| Performance | 390 Duke R | 50 Sx |
|---|---|---|
| Mileage | 29 kmpl | 30 Kmpl |
| Top Speed | 167 | — |
| Max Torque | 39 Nm @ 6500 rpm | 5.2 Nm @ 7500 rpm |
Engine 5
| Engine | 390 Duke R | 50 Sx |
|---|---|---|
| Displacement | 398.63 | 499 |
| Compression Ratio | 12.71:1 | — |
| Cooling System | Liquid Cooled | Liquid cooling |
| Bore | 89 | 39.5 |
| Stroke | 64 | 40.7 |
Battery 1
| Battery | 390 Duke R | 50 Sx |
|---|---|---|
| Low Battery Indicator | Yes | — |
Fuel 3
| Fuel | 390 Duke R | 50 Sx |
|---|---|---|
| Fuel Capacity | 15 | 2.3 |
| Low Fuel Indicator | Yes | — |
| Fuel Gauge | Digital | — |
Dimensions 3
| Dimensions | 390 Duke R | 50 Sx |
|---|---|---|
| Ground Clearance | 183 | 233 |
| Kerb Weight | 168.3 | 45 |
| Seat Height | — | 653 |
Transmission 1
| Transmission | 390 Duke R | 50 Sx |
|---|---|---|
| Clutch | Assist And Slipper Clutch | — |
Brakes 5
| Brakes | 390 Duke R | 50 Sx |
|---|---|---|
| Rear Brake | Disc | Disc |
| Front Brake | Disc | Disc |
| Front Brake Diameter | 320 | 160 |
| Rear Brake Diameter | 240 | 10 |
| Abs | — | null |
Suspension 2
| Suspension | 390 Duke R | 50 Sx |
|---|---|---|
| Suspension Front | 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Suspension Rear | Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable | XACT WP mono shock |
Wheels & Tyres 5
| Wheels & Tyres | 390 Duke R | 50 Sx |
|---|---|---|
| Tyre Size | Front - 110/70 - ZR17, Rear - 150/60 - ZR17 | Front : 60/100 x 12, Rear : 2.75 x 10 |
| Wheel Size | Front - 17 inch, Rear - 17 inch | Front : 12 inch, Rear : 10 inch |
| Wheels Type | Alloy | — |
| Tubeless Tyre | Tubeless | — |
| Wheelbase | — | 1026 |
Electricals 2
| Electricals | 390 Duke R | 50 Sx |
|---|---|---|
| Mobile Connectivity | Yes | — |
| Bluetooth Connectivity | Yes | — |
Lights 4
| Lights | 390 Duke R | 50 Sx |
|---|---|---|
| Tail Light | LED | — |
| Drls | Yes | — |
| Led Tail Light | Yes | — |
| Low Oil Indicator | Yes | — |
Instrument Cluster 5
| Instrument Cluster | 390 Duke R | 50 Sx |
|---|---|---|
| Display | TFT | — |
| Odometer | Digital | — |
| Speedometer | Digital | — |
| Techometer | Digital | — |
| Clock | Yes | — |
Features 2
| Features | 390 Duke R | 50 Sx |
|---|---|---|
| Additional Features | Track Screen, Ride-by-wire | — |
| Call Sms Alerts | Yes | — |
Other 8
| Other | 390 Duke R | 50 Sx |
|---|---|---|
| Max Power | 45.3707 bhp @ 8500 rpm | 5.3 bhp @ 11500 rpm |
| Emission Type | BS6 Phase 2B | BS6 Phase 2 |
| Engine Type | Single Cylinder Liquid Cooled, DOHC, FI Engine | Single cylinder, 2-stroke |
| Min Charge | 0 | 0 |
| Max Charge | 0 | 0 |
| Frame | Split-Trellis frame | Central double-cradle-type frame |
| Head Light | LED | — |
| Turn Signal Lamp | LED | — |
Price difference
KTM 390 Duke R starts at ₹345,293 and KTM 50 Sx starts at ₹475,000. KTM 390 Duke R is cheaper by ₹129,707 at expected ex-showroom.
Mileage and range
KTM 390 Duke R is listed at 29 kmpl; KTM 50 Sx is listed at 30 kmpl. KTM 50 Sx claims 1 kmpl more.
Which one should you buy?
Use the spec table for KTM 390 Duke R vs KTM 50 Sx and get on-road quotes before booking. Match price, claimed economy and riding character to how you actually ride.
FAQs
Which is cheaper, KTM 390 Duke R or KTM 50 Sx?
Which has better mileage or range?
Should I buy the 390 Duke R or the 50 Sx?
Get price quotes for these models
Get Best Offer
Interested in 390 Duke R? Get instant quotes.
Related comparisons
TVS Apache RTR 310 vs KTM 390 Duke R
Apache RTR 310
₹225,000 Onwards
Know More390 Duke R
₹345,293 Onwards
Know MoreTVS Apache Rr 310 vs KTM 390 Duke R
Apache Rr 310
₹225,000 Onwards
Know More390 Duke R
₹345,293 Onwards
Know MoreTVS Apache vs KTM 390 Duke R
Apache
₹222,740 Onwards
Know More390 Duke R
₹345,293 Onwards
Know MoreKTM RC 200 vs KTM 390 Duke R
RC 200
₹224,000 Onwards
Know More390 Duke R
₹345,293 Onwards
Know MoreAprilia Tuono 457 vs KTM 50 Sx
Tuono 457
₹399,000 Onwards
Know More50 Sx
₹475,000 Onwards
Know MoreBenelli Leoncino 500 vs KTM 50 Sx
Leoncino 500
₹546,000 Onwards
Know More50 Sx
₹475,000 Onwards
Know MorePopular Bikes Comparison
Hero Splendor+ vs Honda Sp 125
Splendor+
₹73,902 Onwards
Know MoreSp 125
₹89,748 Onwards
Know MoreRoyal Enfield Bullet 350 vs Royal Enfield Classic 350
Bullet 350
₹165,656 Onwards
Know MoreClassic 350
₹187,000 Onwards
Know MoreRoyal Enfield Hunter 350 vs Royal Enfield Classic 350
Hunter 350
₹138,000 Onwards
Know MoreClassic 350
₹187,000 Onwards
Know MoreRoyal Enfield Hunter 350 vs TVS Ronin
Hunter 350
₹138,000 Onwards
Know MoreRonin
₹128,690 Onwards
Know MoreRoyal Enfield Classic 350 vs Bajaj Pulsar 150
Classic 350
₹187,000 Onwards
Know MorePulsar 150
₹110,896 Onwards
Know MoreYamaha R15M vs Yamaha Mt 15 V2
R15M
₹186,000 Onwards
Know MoreMt 15 V2
₹166,000 Onwards
Know MorePopular Scooters Comparison
Ather Rizta vs TVS Iqube
Rizta
₹121,046 Onwards
Know MoreIqube
₹115,822 Onwards
Know MoreHonda Activa 6G vs TVS Jupiter
Activa 6G
₹75,958 Onwards
Know MoreJupiter
₹73,975 Onwards
Know MoreSuzuki Access 125 vs TVS Jupiter
Access 125
₹82,185 Onwards
Know MoreJupiter
₹73,975 Onwards
Know MoreTVS Iqube vs Honda Activa E
Iqube
₹115,822 Onwards
Know MoreActiva E
₹119,447 Onwards
Know MoreTVS Jupiter vs Hero Destini 125
Jupiter
₹73,975 Onwards
Know MoreDestini 125
₹77,888 Onwards
Know MoreHonda Activa 125 vs TVS Ntorq 125
Activa 125
₹89,656 Onwards
Know MoreNtorq 125
₹83,850 Onwards
Know MorePopular Bikes in 2026
Related comparisons & guides
Get on-road price No spam. Instant dealer quotes.