KTM 390 Duke vs KTM 790 Duke
Two naked bikes scored on the same 100-point system: specs side by side, points per category and a verdict that commits. These two sit in different classes, so each score is computed within its own class.
0 to 100 km/h
Estimated from power to weight, not a measured time.
Points by category
Six categories, 100 points. How every point is calculated
Engine and performance
out of 25Handling and chassis
out of 20Value
out of 20Practicality
out of 15Technology
out of 10Reliability and ownership
out of 10Specs side by side
| Spec | KTM390 Duke | KTM790 Duke |
|---|---|---|
| Engine | ||
| Engine | Single cylinder, liquid cooled, DOHC | LC8c parallel twin, liquid cooled, DOHC |
| Displacement | 398.7 cc | 799 cc |
| Power | 45 hp at 8,500 rpm | 95 hp at 9,500 rpm |
| Torque | 39 Nm at 7,000 rpm | 87 Nm at 8,000 rpm |
| Power to weight | 0.27 hp/kg | 0.52 hp/kg |
| Chassis | ||
| Wet weight | 165 kg | 184 kg |
| Front suspension | WP APEX 43 mm open cartridge, 150 mm | WP APEX 43 mm open cartridge, 140 mm |
| Front adjustability | Compression and rebound | Non-adjustable |
| Rear suspension | WP APEX monoshock, 150 mm | WP APEX monoshock, 150 mm |
| Rear adjustability | Preload and rebound | Preload only |
| Front brake | 320 mm, radial 4-piston | 300 mm, radial 4-piston |
| ABS | Cornering ABS | Cornering ABS |
| Dimensions | ||
| Seat height | 820 mm | 825 mm |
| Wheelbase | 1476 mm | 1475 mm |
| Fuel capacity | 15 L | 14 L |
| Claimed consumption | 3.5 L/100 km | 4.5 L/100 km |
| Fuel range | 429 km | 311 km |
| Ownership | ||
| Price | €6,299 | €8,999 |
| Service interval | 10,000 km | 15,000 km |
| Valve check | 20,000 km | 30,000 km |
| Warranty | 2 years | 2 years |
| Equipment | ||
| Dash | TFT | TFT |
| Ride modes | Yes | Yes |
| Traction control | Yes | Yes |
| Quickshifter | Optional | Optional |
| Cruise control | Not available | Not available |
| Connectivity | Yes | Yes |
Verdict
The KTM 390 Duke wins this comparison clearly, 66.6 points to 60.8.
The gap of 5.8 points is built mostly in practicality, where the 390 Duke takes 4.1 points out of the 790 Duke. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.
On the road the 790 Duke is the quicker machine: 95 hp and 87 Nm moving 184 kg, against 45 hp and 39 Nm moving 165 kg for the 390 Duke. That is 0.52 hp per kilo playing 0.27.
The 390 Duke costs €6,299, which leaves €2,700 in your pocket against the 790 Duke at €8,999. Service intervals run 10,000 km on the 390 Duke and 15,000 km on the 790 Duke.
Better for city and commuting
KTM 390 Duke
A 820 mm seat, 429 km of tank range and the stronger practicality and value scores make it the easier bike to live with daily.
Better for weekend twisties
KTM 390 Duke
45 hp pushing 165 kg with WP APEX 43 mm open cartridge up front. It takes the combined engine and handling points.
Better for longer trips
KTM 390 Duke
429 km between fuel stops and the better equipment score. Distance rewards range and rider aids, and it has more of both.
Frequently asked
- Which is faster, the KTM 390 Duke or the KTM 790 Duke?
- The KTM 790 Duke. It carries 0.52 hp per kilo (95 hp, 184 kg wet) against 0.27 hp per kilo for the KTM 390 Duke (45 hp, 165 kg).
- Is the KTM 390 Duke cheaper than the KTM 790 Duke?
- The KTM 390 Duke is cheaper at €6,299 list, €2,700 less than the KTM 790 Duke at €8,999.
- Which is better for shorter riders?
- The KTM 390 Duke. Its 820 mm seat is 5 mm lower than the KTM 790 Duke, and at 165 kg it is the easier bike to manage at a stop.
- Which has better technology, the 390 Duke or the 790 Duke?
- The KTM 390 Duke, which scores 8.3 of 10 tech points with cornering ABS, a TFT dash, traction control and phone connectivity. The KTM 790 Duke counters with cornering ABS, a TFT dash, traction control and phone connectivity.
- Which goes further on a tank?
- The KTM 390 Duke: 429 km from its 15 litre tank at the claimed consumption, against 311 km for the KTM 790 Duke.
- Which bike wins overall?
- The KTM 390 Duke, scoring 66.6 of 100 against 60.8 on our within-class points system. The full breakdown and formula are public on the methodology page.
Dig into each bike
More comparisons
Husqvarna Svartpilen 401vsKTM 390 Duke
45 hp vs 45 hp / 169 kg vs 165 kg
KTM 390 DukevsTriumph Speed 400
45 hp vs 40 hp / 165 kg vs 170 kg
KTM 390 DukevsYamaha MT-03
45 hp vs 42 hp / 165 kg vs 167 kg
KTM 390 DukevsYamaha MT-07
45 hp vs 73.4 hp / 165 kg vs 184 kg
Honda CB750 HornetvsKTM 390 Duke
91.8 hp vs 45 hp / 190 kg vs 165 kg
Honda CB750 HornetvsKTM 790 Duke
91.8 hp vs 95 hp / 190 kg vs 184 kg