✦ Published
Aprilia RS 4 125
2018
2018
The 2018 Aprilia RS4 125 represents a compelling entry into the highly competitive 125cc sportbike segment. Drawing heavily from its larger RS-V4 siblings, this smaller capacity machine offers a taste of Aprilia's racing pedigree to new riders. For the 2018 model year, it continued to refine its proposition against direct rivals such as the Yamaha YZF-R125 and the KTM RC 125, aiming to capture the attention of aspiring sportbike enthusiasts with its sharp styling and accessible performance.
At the heart of the RS4 125 lies a potent single-cylinder, four-stroke engine with a displacement of 124.8 ccm (7.62 cubic inches). This liquid-cooled powerplant is engineered to deliver spirited acceleration, producing a respectable torque figure of 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) at 8250 RPM. Fueling the fun is a 14.50 litre (3.83 US gallons) tank, providing a decent range for daily commutes and weekend rides. While not designed for outright speed, the engine's characteristics are well-suited for its class, offering engaging power delivery across the rev range.
Riding the RS4 125 is an experience tailored for sportbike enthusiasts. Its track-focused ergonomics, characterized by a forward-leaning rider position and rearset pegs, immediately convey its sporting intentions. The seat height, at 820 mm (32.3 inches) in its lowest setting if adjustable, positions the rider for assertive control. This setup, combined with a responsive chassis, allows for agile handling and confident cornering, making it a joy on twisty roads. The suspension provides a firm yet compliant ride, absorbing road imperfections while maintaining stability.
The 2018 Aprilia RS4 125 is primarily aimed at new riders, particularly those stepping up from smaller scooters or looking for their first geared motorcycle with a distinct sportbike aesthetic. Its approachable power delivery and manageable weight make it an excellent learning platform for developing riding skills, while its aggressive styling and premium feel offer a sense of pride of ownership. For riders seeking a stylish, engaging, and performance-oriented 125cc sportbike that draws inspiration from grand prix racing, the RS4 125 presents a very strong case.
✅ Why buy this bike?
• Race-replica styling provides an exciting aesthetic, making it look much larger and more powerful than its displacement suggests. • Excellent handling characteristics due to its lightweight chassis and capable suspension, offering a sporty and engaging ride. • Premium components like upside-down forks and radial brakes enhance performance and rider confidence for a 125cc machine. • Fuel efficiency is a significant benefit, keeping running costs low for daily commuting and weekend fun. • Ideal stepping stone for new riders to learn sportbike dynamics before moving to larger, more powerful motorcycles. • Strong resale value due to its desirable Aprilia branding and race-inspired design, appealing to a specific market.⚠️ Things to consider
• High initial purchase price compared to many other 125cc motorcycles, reflecting its premium branding and features. • Insurance costs can be higher due to its 'sportbike' classification and potential for younger, less experienced riders. • Maintenance and parts can be more expensive than Japanese or generic 125cc alternatives, impacting long-term ownership costs. • Aggressive riding position, while sporty, can be uncomfortable for longer journeys or daily commuting in heavy traffic. • Limited practical utility with minimal storage space and less comfort for a pillion rider compared to more upright bikes.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 125cc class: 75-100 mpg (2.5-3.5 L/100km)
⛽ Tank: 14.50 litres (3.83 US gallons)
Insurance grouping for Aprilia RS 4 125 (125cc):
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📊 average of 21 similar motorcycles · Approximate (USD)
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