2026 Aprilia RS 125 vs 2026 Suzuki GSX-R125 - Spec Comparison
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2026 Aprilia RS 125
The 2026 Aprilia RS 125 is a lightweight sport bike engineered for beginner and intermediate riders seeking an accessible entry into sportbike performance. Powered by a 124cc liquid-cooled four-stroke engine delivering 14.8 horsepower, it combines nimble handling with modern electronics and a six-speed gearbox. Known for its aggressive styling and track-ready ergonomics, the RS 125 excels as an affordable platform for developing riding skills.
2026 Suzuki GSX-R125
The 2026 Suzuki GSX-R125 is an entry-level sport bike perfect for beginner and younger riders seeking affordable performance. Its liquid-cooled 124cc four-stroke engine delivers 15 horsepower with responsive handling, making it ideal for learning sportbike fundamentals. Known for its reliable Japanese engineering and nimble character, it excels in urban riding and track day beginners.
2026 Aprilia RS 125 vs 2026 Suzuki GSX-R125: the key differences
Both are sport bikes, so this is a like-for-like choice.
- The 2026 Suzuki GSX-R125 is 7 kg lighter (137 vs 144 kg).
- The 2026 Suzuki GSX-R125 has a 35 mm lower seat (785 vs 820 mm), which helps shorter riders.
- The 2026 Aprilia RS 125 carries 3.5 litres more fuel (14.5 vs 11 L).
2026 Aprilia RS 125: A pint-sized track-styled sportbike built for spirited backroad riding, carving corners, commuting, and learning proper sport riding skills.
2026 Suzuki GSX-R125: Best suited to commuting, learning, and short fun rides around town rather than any serious performance riding.
Verdict: Choose the 2026 Aprilia RS 125 if you want a bigger tank. Choose the 2026 Suzuki GSX-R125 if you want lighter weight and a lower seat. Check the full table below for every figure, and the size comparison for fit.
| Specification | 2026 Aprilia RS 125 | 2026 Suzuki GSX-R125 |
|---|---|---|
| Other | ||
| Category | Sport | Sport |
| Color Options | Space White, Aprilia Black, GP Replica Black | Pearl Brilliant White/Metallic Triton Blue, Titan Black/ Solid Black, Metallic Triton Blue, Titan Black |
| Comments | - | Keyless. Small windscreen. |
| Engine | ||
| Capacity: | 124.2 ccm (7.58 cubic inches) | 124.0 ccm (7.57 cubic inches) |
| Engine Type | Single, four-stroke | Single, four-stroke |
| Fuel Consumption | 2.60 litres/100 km (38.5 km/l or 90.47 mpg) | ✓2.00 litres/100 km (50.0 km/l or 117.61 mpg) |
| Bore x Stroke | 58.0 x 47.0 mm (2.3 x 1.9 inches) | 62.0 x 41.2 mm (2.4 x 1.6 inches) |
| Compression | 12.6:1 | 11.0:1 |
| Cooling System | Liquid | Liquid |
| Fuel System | Carburettor | Injection |
| Starting | Electric | Electric |
| Ignition | ECU Electronics Magneti Marelli MIUG4 ΓΈ 32 mm | Electric |
| Valves Per Cylinder | 4 | - |
| Lubrication System | Wet sump | Wet sump |
| Performance | ||
| Power | ✓14.8 HP (11.0 kW) @ 10500 RPM | 14.8 HP (10.9 kW) @ 10500 RPM |
| Torque | ✓11.4 Nm (1.2 kgf-m or 8.4 ft.lbs) @ 8500 RPM | 11.0 Nm (1.1 kgf-m or 8.1 ft.lbs) @ 8000 RPM |
| Power/Weight Ratio | 0.1028 HP/kg (wet) | 0.1080 HP/kg (wet) |
| Top Speed | - | 115.9 km/h (72.0 mph) |
| Chassis & suspension | ||
| Frame | Aluminium perimeter | - |
| Front Suspension | Upside down hydraulic fork, 40 mm. | Telescopic, coil spring, oil damped |
| Rear Suspension | Asymmetrical swingarm, monoshock absorber | Link type, coil spring, oil damped |
| Front Wheel Travel | 110 mm (4.3 inches) | - |
| Rear Wheel Travel | 120 mm (4.7 inches) | - |
| Ground Clearance | - | 155 mm (6.1 inches) |
| Transmission | ||
| Gearbox | 6-speed | 6-speed |
| Transmission Type | Manual | Manual |
| Final Drive | Chain | Chain |
| Clutch | Multiple discs, in oil bath | Wet, multi-disc |
| Brakes & wheels | ||
| Front Brakes | Single disc. ABS. Stainless steel disc with radial 4 piston calliper | Single disc. Petal disc. ABS |
| Front Brakes Diameter | 300 mm (11.8 inches) | 290 mm (11.4 inches) |
| Rear Brakes | Single disc. ABS. Stainless steel disc and calliper with single 30 mm piston. | Single disc. Petal disk. ABS. |
| Rear Brakes Diameter | 218 mm (8.6 inches) | - |
| ABS | Yes | Yes |
| Front Tyre | 100/80-17 | 90/80-17 |
| Rear Tyre | 140/70-ZR17 | 130/70-17 |
| Dimensions & weight | ||
| Wheelbase | 1350 mm (53.1 inches) | 1300 mm (51.2 inches) |
| Overall Length | 1968 mm (77.5 inches) | 2000 mm (78.7 inches) |
| Overall Width | 760 mm (29.9 inches) | 700 mm (27.6 inches) |
| Overall Height | 1135 mm (44.7 inches) | 1070 mm (42.1 inches) |
| Seat Height | 820 mm (32.3 inches) | ✓785 mm (30.9 inches) |
| Wet Weight | 144.0 kg (317.5 pounds) | ✓137.0 kg (302.0 pounds) |
| Fuel Capacity | ✓14.50 litres (3.83 US gallons) | 11.00 litres (2.91 US gallons) |
| Reserve fuel capacity | 3.50 litres (0.92 US gallons) | - |
"Best" (✓) reflects that single spec only, not overall suitability - a bike can win on paper and still be the wrong choice for you. Ties are all marked; specs with no clear better/worse direction (e.g. displacement, wheel size) are never marked, only tinted where bikes differ.
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About this comparison tool
This tool puts up to four motorcycles side by side across their full specification sheets, drawn from a database of 43,000+ models and 1.60M+ individual specifications. Wherever a spec has a clear "better" direction - more power, less weight - the strongest figure in that row is highlighted automatically.
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Specs are pulled from the same categories used throughout the site: engine and transmission (capacity, power, torque, gearbox), physical measures (weight, seat height, fuel and tank capacity), frame and dimensions, speed and acceleration, and brakes, suspension, frame and wheels (including tyres) - plus general information and maintenance data where it's on record for a bike.
How the highlighting works, and its limits
A highlighted cell means one bike has the clearly better raw number for that spec - more power, less weight, and so on. Fields where "better" genuinely depends on the rider - seat height above all - are deliberately never highlighted: a lower seat isn't automatically the right choice, it's a fit question only you can answer. Winning a row also isn't the same as winning the comparison - a bike can lead on paper in half the rows and still be the wrong bike for you.
Frequently asked questions
Can I compare bikes from different categories, like a scooter against a superbike?
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What happens if a spec is missing for one of the bikes?
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Are older model years included?
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