Aprilia SX 125 vs Suzuki DR-Z4SM
Two supermoto 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.
0.00 s
The Ref Ring · 3.4 km · 9 corners
A straight line settles nothing.
The SX 125 won on points. Now the SX 125 and the DR-Z4SM go flag to flag: braking zones, corner speed and drive off the hairpins, computed from the same specs as the scores.
Race the full lapPoints 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 | ApriliaSX 125 | SuzukiDR-Z4SM |
|---|---|---|
| Engine | ||
| Engine | Single cylinder, liquid cooled, 4 valves | Single cylinder, liquid cooled, DOHC |
| Displacement | 124.2 cc | 398 cc |
| Power | 15 hp at 10,500 rpm | 38 hp at 8,000 rpm |
| Torque | 11.5 Nm at 8,500 rpm | 37 Nm at 6,500 rpm |
| Power to weight | 0.11 hp/kg | 0.25 hp/kg |
| Chassis | ||
| Wet weight | 136 kg | 154 kg |
| Front suspension | 41 mm USD fork, 240 mm | KYB 46 mm inverted, 250 mm |
| Front adjustability | Non-adjustable | Fully adjustable |
| Rear suspension | Hydraulic monoshock, 220 mm | KYB monoshock, 250 mm |
| Rear adjustability | Preload only | Fully adjustable |
| Front brake | 300 mm, axial 2-piston | 310 mm, axial 2-piston |
| ABS | Standard ABS | Switchable ABS |
| Dimensions | ||
| Seat height | 880 mm | 890 mm |
| Wheelbase | 1425 mm | 1465 mm |
| Fuel capacity | 7 L | 8.7 L |
| Claimed consumption | 2.6 L/100 km | 3.7 L/100 km |
| Fuel range | 269 km | 235 km |
| Ownership | ||
| Price | €4,199 | €9,699 |
| Service interval | 6,000 km | 6,000 km |
| Valve check | 12,000 km | 24,000 km |
| Warranty | 2 years | 2 years |
| Equipment | ||
| Dash | LCD | LCD |
| Ride modes | No | Yes |
| Traction control | No | Yes |
| Quickshifter | Not available | Not available |
| Cruise control | Not available | Not available |
| Connectivity | No | No |
Verdict
The Aprilia SX 125 wins this comparison narrowly, 44.2 points to 42.2.
The gap of 2 points is built mostly in value, where the SX 125 takes 7.6 points out of the DR-Z4SM. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.
On the road the DR-Z4SM is the quicker machine: 38 hp and 37 Nm moving 154 kg, against 15 hp and 11.5 Nm moving 136 kg for the SX 125. That is 0.25 hp per kilo playing 0.11.
The SX 125 costs €4,199, which leaves €5,500 in your pocket against the DR-Z4SM at €9,699. Service intervals run 6,000 km on the SX 125 and 6,000 km on the DR-Z4SM.
Better for city and commuting
Aprilia SX 125
A 880 mm seat, 269 km of tank range and the stronger practicality and value scores make it the easier bike to live with daily.
Better for weekend twisties
Suzuki DR-Z4SM
38 hp pushing 154 kg with KYB 46 mm inverted up front. It takes the combined engine and handling points.
Better for longer trips
Suzuki DR-Z4SM
235 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 Aprilia SX 125 or the Suzuki DR-Z4SM?
- The Suzuki DR-Z4SM. It carries 0.25 hp per kilo (38 hp, 154 kg wet) against 0.11 hp per kilo for the Aprilia SX 125 (15 hp, 136 kg).
- Is the Aprilia SX 125 cheaper than the Suzuki DR-Z4SM?
- The Aprilia SX 125 is cheaper at €4,199 list, €5,500 less than the Suzuki DR-Z4SM at €9,699.
- Which is better for shorter riders?
- The Aprilia SX 125. Its 880 mm seat is 10 mm lower than the Suzuki DR-Z4SM, and at 136 kg it is the easier bike to manage at a stop.
- Which has better technology, the SX 125 or the DR-Z4SM?
- The Suzuki DR-Z4SM, which scores 4.9 of 10 tech points with traction control. The Aprilia SX 125 counters with a deliberately simple spec.
- Which goes further on a tank?
- The Aprilia SX 125: 269 km from its 7 litre tank at the claimed consumption, against 235 km for the Suzuki DR-Z4SM.
- Which bike wins overall?
- The Aprilia SX 125, scoring 44.2 of 100 against 42.2 on our within-class points system. The full breakdown and formula are public on the methodology page.
Dig into each bike
More comparisons
Aprilia SX 125 vs Fantic XMF 125 Performance
15 hp vs 15 hp / 136 kg vs 127 kg
Aprilia SX 125 vs KTM 125 SMC R
15 hp vs 15 hp / 136 kg vs 152 kg
Aprilia SX 125 vs KTM 390 SMC R
15 hp vs 45 hp / 136 kg vs 161 kg
Aprilia SX 125 vs Ducati Hypermotard 698 Mono
15 hp vs 77.5 hp / 136 kg vs 161 kg
KTM 390 SMC R vs Suzuki DR-Z4SM
45 hp vs 38 hp / 161 kg vs 154 kg
Ducati Hypermotard 698 Mono vs Suzuki DR-Z4SM
77.5 hp vs 38 hp / 161 kg vs 154 kg

