43,656 bikes · 494 makes Add a bikeLog inRegister

2026 Suzuki GSX-R125 vs 2026 KTM RC 125 - Spec Comparison

Choose up to 4 bikes to compare

Couldn't load models - try again
Couldn't load models - try again
2026 Suzuki GSX-R125

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 KTM RC 125

2026 KTM RC 125

The 2026 KTM RC 125 is a fully faired sports bike for learners on a 125 licence. Its liquid-cooled 124.7cc single makes 15 hp and 12 Nm through a six-speed gearbox. ABS and a windscreen are standard, with an 824 mm seat, a dry weight of 147 kg and a 13.7-litre tank.

2026 Suzuki GSX-R125 vs 2026 KTM RC 125: the key differences

Both are sport bikes, so this is a like-for-like choice.

2026 Suzuki GSX-R125: Best suited to commuting, learning, and short fun rides around town rather than any serious performance riding.

2026 KTM RC 125: A pint-sized sport machine for spirited canyon carving, commuting and track-day schooling, teaching real sportbike technique on low power.

Verdict: Choose the 2026 Suzuki GSX-R125 if you want a lower seat. Choose the 2026 KTM RC 125 if you want a bigger tank. Check the full table below for every figure, and the size comparison for fit.

Size Comparison

2026 Suzuki GSX-R125 2026 KTM RC 125 (dashed outline)
2026 Suzuki GSX-R125 seat: 785mm2026 KTM RC 125 seat: 824mm175cm

The 2026 KTM RC 125 has a 1.6" longer wheelbase than the 2026 Suzuki GSX-R125 (51.2" vs 52.8"), the 2026 KTM RC 125 sits 1.5" taller at the seat (30.9" vs 32.4"), and the 2026 KTM RC 125 is about 10kg heavier.

Silhouettes are generic per-category shapes scaled to each bike's real wheelbase and seat height, not per-model artwork - a size approximation, not a photo.

Specification2026 Suzuki GSX-R1252026 KTM RC 125
Other
Category Sport Sport
Color Options Pearl Brilliant White/Metallic Triton Blue, Titan Black/ Solid Black, Metallic Triton Blue, Titan Black White/Orange, Orange/Black
Comments Keyless. Small windscreen. Windscreen.
Engine
Capacity: 124.0 ccm (7.57 cubic inches) 124.7 ccm (7.61 cubic inches)
Engine Type Single, four-stroke Single, four-stroke
Fuel Consumption ✓2.00 litres/100 km (50.0 km/l or 117.61 mpg) 2.40 litres/100 km (41.7 km/l or 98.01 mpg)
Bore x Stroke 62.0 x 41.2 mm (2.4 x 1.6 inches) 58.0 x 47.2 mm (2.3 x 1.9 inches)
Compression 11.0:1 14.5:1
Cooling System Liquid Liquid
Fuel System Injection Injection
Starting Electric Electric
Ignition Electric Bosch EMS
Lubrication System Wet sump Wet sump
CO2 Emissions - 56 CO2 g/km
Valves Per Cylinder - 4
Performance
Power 14.8 HP (10.9 kW) @ 10500 RPM ✓15.0 HP (11.0 kW)
Torque 11.0 Nm (1.1 kgf-m or 8.1 ft.lbs) @ 8000 RPM ✓12.0 Nm (1.2 kgf-m or 8.9 ft.lbs)
Power/Weight Ratio 0.1080 HP/kg (wet) 0.1020 HP/kg (dry)
Top Speed 115.9 km/h (72.0 mph) -
Transmission
Gearbox 6-speed 6-speed
Transmission Type Manual Manual
Final Drive Chain Chain
Clutch Wet, multi-disc Wet multi-disc clutch, mechanically actuated
Brakes & wheels
Front Brakes Single disc. Petal disc. ABS Single disc. ABS. Four-piston radial fixed calliper.
Front Brakes Diameter 290 mm (11.4 inches) 320 mm (12.6 inches)
Rear Brakes Single disc. Petal disk. ABS. Single disc. ABS. Single-piston floating calliper.
ABS Yes Yes
Front Tyre 90/80-17 110/90-R17
Rear Tyre 130/70-17 150/70-R17
Rear Brakes Diameter - 230 mm (9.1 inches)
Dimensions & weight
Wheelbase 1300 mm (51.2 inches) 1340 mm (52.8 inches)
Overall Length 2000 mm (78.7 inches) -
Overall Width 700 mm (27.6 inches) -
Overall Height 1070 mm (42.1 inches) -
Seat Height ✓785 mm (30.9 inches) 824 mm (32.4 inches)
Wet Weight 137.0 kg (302.0 pounds) -
Fuel Capacity 11.00 litres (2.91 US gallons) ✓13.70 litres (3.62 US gallons)
Dry weight - 147.0 kg (324.1 pounds)
Chassis & suspension
Front Suspension Telescopic, coil spring, oil damped WP APEX 43
Rear Suspension Link type, coil spring, oil damped WP APEX - Monoshock
Ground Clearance 155 mm (6.1 inches) 158 mm (6.2 inches)
Frame - Steel trellis, powder coated
Front Wheel Travel - 120 mm (4.7 inches)
Rear Wheel Travel - 150 mm (5.9 inches)
Rake (fork angle) - 23.5°

"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.

Affiliate links - we may earn a commission from qualifying eBay purchases made through these links.

2026 Suzuki GSX-R125 on eBay 2026 KTM RC 125 on eBay

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.

How to use it

Pick a make, model and year for each bike; the model and year lists update to match what you've selected. Two bikes are enough - use "Add another bike" for a third or fourth. Comparisons work across model years too, so you can compare a bike against its own earlier generation. Once you're happy with the lineup, use "Copy share link" to send it to someone else.

What gets compared

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?

Yes - the tool doesn't restrict what you compare, though a highlighted spec means less when the two bikes aren't really doing the same job.

What happens if a spec is missing for one of the bikes?

It shows as "-" and is never highlighted as a winner - a missing figure never beats one that's actually reported, and never blocks the rest of the row.

Are older model years included?

Yes - each bike's year list covers every model year in the database, so you can compare this year's bike against an earlier generation of the same model.

How do I share a comparison?

Every comparison has its own stable URL - use "Copy share link", or just copy the address bar. The same bikes in the same order always produce the same link.