2025 Aprilia RS 457 vs 2024 KTM 390 Duke

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2025 Aprilia RS 457 2025 Aprilia RS 457

Sport

Engine
Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder
Power
35 kW / 47.6 hp @ 9400 rpm
Top Speed
N/A
Weight
176 kg / 388 lbs
2024 KTM 390 Duke 2024 KTM 390 Duke

Sport

Engine
Four stroke, single cylinder, DOHC with finger followers, 4 valves
Power
33 kW / 44.3 hp @ 8500 rpm
Top Speed
N/A
Weight
165 kg / 328 lbs
Full Specifications
General
Year20252024
Make ModelAprilia RS 457KTM 390 Duke
Dimensions
Seat Height795 mm / 31.3 in-
Wheelbase-1357 mm / 53.4 in
Ground Clearance-190 mm / 7.5 in
Height1137 mm / 44.8 in-
Length1960 mm / 77.1 in-
Width795 mm / 31.3 in-
Weights & Capacities
Fuel Capacity12.7 Litres / 3.4 US gal15 L / 4.0 US gal
Wet Weight176 kg / 388 lbs165 kg / 328 lbs
Performance
Max Power35 kW / 47.6 hp @ 9400 rpm33 kW / 44.3 hp @ 8500 rpm
Max Torque43.5 Nm / 32.1 lb-ft @ 6700 rpm 39 Nm / 28.7 lb-ft @ 7000 rpm
Engine
Displacement457 cc / 27.9 cu in398.7 cc / 24.3 cu-in
Engine DetailFour stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinderFour stroke, single cylinder, DOHC with finger followers, 4 valves
Bore x Stroke69 x 61.1 mm89 x 64 mm
Compression Ration/a12.6:1
Cooling SystemLiquid cooled with radiator and water-oil heat exchangerLiquid Cooled
EmissionsEuro 5+EURO5
Engine Management-Bosch EMS with RBW
Fuel InductionFuel InjectionBosch fuel injection
IgnitionDgital-
LubricationWet sumpWet sump
StarterElectricElectric
Drivetrain
ClutchWet, multi-plate, slipperPASC antihopping clutch, mechanically operated
Final DriveChainChain 520-X Ring, 14:43
Transmission / Drive6 Speed6 Speed
Chassis
Frame TypeTwin spar aluminum frameSteel trellis frame, powder coated
Suspension - Frontø 41mm USD fork, adjustable preload43mm WP APEX 43
Suspension - RearMonoshock, adjustable preloadWP APEX - Monoshock
Wheel Travel - Front120 mm / 4.7 in150 mm / 5.9 in
Wheel Travel - Rear130 mm / 5.1 in150 mm / 5.9 in
Electronics
Equipment / FeaturesFull LED headlight and indicators. 5" TFT dashboard. Backlit switchcubes. Engine Maps (AEM), Dual-Channel ABS with Anti Roll-Over System (2 maps), Traction Control (ATC), 3 Riding Modes. Metal Braided Brake Hoses-
Wheels & Brakes
Brakes - FrontSingle Ø 320 mm floating disc. ByBre 4-piston radial caliperSingle 320 mm disc, 4 piston radial fixed caliper
Brakes - RearSingle Ø 220 mm disc. ByBre caliperSingle 240 mm disc, 2 piston floating caliper
ABSStandardBosch 9.1MP Two Channel ABS (Supermoto ABS)
Rims - Front3.00 x 17 in-
Rims - Rear4.50 x 17 in-
Tyres - Front110/70-17110/70 R17 M/C 54W TL
Tyres - Rear150/60-17150/60 R17 M/C 66W TL
WheelsAluminium alloy cast-
Wheels - Front-3.00 R17
Wheels - Rear-4.00 R17

Verdict

Winner on specs

2024 KTM 390 Duke

The 2024 KTM 390 Duke edges out the 2025 Aprilia RS 457 thanks to its lighter kerb weight, higher rear wheel travel and higher front wheel travel. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2025 Aprilia RS 457 - Advantages

  • More power: Produces 35 kW vs 33 kW - a meaningful performance advantage.

2024 KTM 390 Duke - Advantages

  • Lighter: 165 kg vs 176 kg - easier to handle and less fatiguing on long trips.
  • More rear wheel travel: 150 mm vs 130 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 150 mm vs 120 mm - greater compliance over rough surfaces.

2025 Aprilia RS 457 vs 2024 KTM 390 Duke - FAQs

What are the engine differences between the 2025 Aprilia RS 457 and 2024 KTM 390 Duke?
The 2025 Aprilia RS 457 uses Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder, while the 2024 KTM 390 Duke is powered by Four stroke, single cylinder, DOHC with finger followers, 4 valves.
Which is lighter, the 2025 Aprilia RS 457 or the 2024 KTM 390 Duke?
The 2024 KTM 390 Duke is lighter at 165 kg compared to 176 kg for the 2025 Aprilia RS 457 - a difference of 11 kg. This is a meaningful difference that affects handling and rider fatigue.
Which has more power, the 2025 Aprilia RS 457 or the 2024 KTM 390 Duke?
The 2025 Aprilia RS 457 produces more peak power at 35 kW, compared to 33 kW for the 2024 KTM 390 Duke.
Which should I buy, the 2025 Aprilia RS 457 or the 2024 KTM 390 Duke?
Both are strong choices. The 2025 Aprilia RS 457 has the edge in more peak power, while the 2024 KTM 390 Duke stands out for lighter kerb weight and higher rear wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.