Aprilia RS 660 vs Suzuki GSX-R600: specs compared
Side-by-side specs of the Aprilia RS 660 (2027-present) and the Suzuki GSX-R600 (2026), using the latest model year of each.
Key differences
- Power: Aprilia RS 660 103.6 hp, Suzuki GSX-R600 125 hp.
- Torque: Aprilia RS 660 70 Nm, Suzuki GSX-R600 67.7 Nm.
- Weight: Aprilia RS 660 183 kg, Suzuki GSX-R600 187 kg.
Key figures
Power hp
- Aprilia RS 660 (2027-present)103.6
- Suzuki GSX-R600 (2026)125 (best)
Torque Nm
- Aprilia RS 660 (2027-present)70 (best)
- Suzuki GSX-R600 (2026)67.7
Weight kg
- Aprilia RS 660 (2027-present)183 (best)
- Suzuki GSX-R600 (2026)187
Full specs
| Specification |  2027-present · Phillip Island Tribute Remove |  2026 · GSX-R600Z 40th Anniversary Edition Remove |
|---|---|---|
| Category | Supersport | Supersport |
| Years | 2027-present | 2026 |
| Engine | two-cylinder online , 4 strokes, set at 270° injection, Ø 52 mm Cooling system : liquid 2 ACT 4 valves per cylinder 659 cc 105 ch (103.60 hp) to 10,400 rpm 7.10 mkg (70 Nm) to 8,400 rpm | 599cc liquid-cooled inline-4, DOHC, 16-valve, 67.0mm x 42.5mm bore/stroke, 12.9:1 compression |
| Cylinders | 2 | 4 |
| Displacement | 659 cc | 599 cc |
| Power | 103.6 hp @ 10,400 rpm | 125 hp @ 13,500 rpmBest |
| Torque | 70 Nm @ 8,400 rpmBest | 67.7 Nm @ 11,500 rpm |
| Transmission | 6 stage gearbox , manual - standard shifter Secondary by chain | 6-speed constant mesh, wet multi-plate clutch, RK525SMOZ8 chain (114 links) |
| Final drive | chain | chain |
| Weight | 183 kg (wet)Best | 187 kg (wet) |
| Seat height | 820 mm | 810 mm |
| Fuel capacity | 15 L | 17 LBest |
| Front suspension | Reverse-action telescopic hydraulic fork, Ø 41 mm / Kayaba (KYB) , Wheel travel : 120 mm (4.72 in) Preload and rebound adjustment | Showa BPF (Big Piston Fork) inverted fork, 41mm, ~120mm travel, adjustable preload and rebound damping |
| Rear suspension | Single shock absorber / Kayaba (KYB) , Wheel travel : 130 mm (5.12 in) Preload and rebound adjustment | Showa single shock on twin-sided aluminum swingarm, ~130mm travel, adjustable preload and rebound damping |
| Brake system | Not available | ABS standard/optional status not stated on the available Suzuki/aggregator spec pages |
| Front brake | 2 Brembo discs Ø 320 mm (12.6 in), radial mounting, 4-piston caliper | Dual 310mm discs with Brembo Monobloc 4-piston calipers |
| Rear brake | 1 Brembo disc Ø 220 mm (8.66 in), 2-piston caliper | Single rear disc; size and caliper type not stated in available sources |
| Front tire | 120/70-17 | 120/70 ZR17 (Bridgestone Battlax) |
| Rear tire | 180/55-17 | 180/55 ZR17 (Bridgestone Battlax) |
| Quickshifter | Not available | No |
| Launch price | Not available | USD 12,399 (United States) |