RS457
2025 Aprilia RS457 Technical Analysis & Specification Breakdown
Built around Aprilia's sport motorcycle platform, the 2025 Aprilia RS457 relies on a 457 cc engine powerplant. In factory specification, peak output is rated at 47 HP. With a specific output of 102.8 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the RS457 measures 385 kg (849 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.19 kg per horsepower). Rider ergonomics and chassis geometry center around a 31 mm (1.2 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 3.4-liter (0.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Aprilia archive, this model family spans 2 indexed model years from 2025 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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