Aprilia RSV4 RR 2015 vs. Aprilia RS 660 2021

The Aprilia RSV4 RR model year 2015 is equipped with a V-type engine that has a bore of 78 mm and a stroke of 52.3 mm. It produces a powerful 201 HP and 115 Nm of torque. The engine has 4 cylinders and DOHC valves, with a displacement of 999.6 ccm. The front suspension consists of a telescopic upside-down fork from Sachs, while the rear suspension features a monoshock. The chassis is made of aluminum, providing a sturdy and lightweight structure. The front brakes are dual discs with radial, monobloc technology from Brembo. The bike also comes with advanced rider assistance systems such as ABS, launch control, quick shift, traction control, and anti-wheelie. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 200 mm and a diameter of 17 inches. The bike has a wheelbase of 1420 mm and a seat height of 845 mm. With a dry weight of 180 kg (including ABS), it has a fuel capacity of 18.5 liters.

On the other hand, the Aprilia RS 660 model year 2021 features an inline crankshaft deviation type engine with a bore of 81 mm and a stroke of 63.93 mm. It produces 100 HP and 67 Nm of torque, making it a slightly less powerful option compared to the RSV4 RR. The engine has 2 cylinders and DOHC valves, with a displacement of 659 ccm. The front suspension is also a telescopic upside-down fork, but from Kayaba. The rear suspension remains a monoshock. The chassis is made of aluminum, providing a lightweight and sporty frame. The front brakes are dual discs with radial technology from Brembo. The bike also comes with advanced rider assistance systems including ABS, riding modes, launch control, ride-by-wire, quick shift, traction control, and anti-wheelie. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 180 mm and a diameter of 17 inches. The bike has a slightly shorter wheelbase of 1370 mm and a lower seat height of 820 mm. With a dry weight of 169 kg (including ABS), it has a fuel capacity of 15 liters.

Aprilia RSV4 RR 2015

In terms of strengths, the Aprilia RSV4 RR 2015 has a fantastic and appealing design that is not mainstream. It also boasts a compact V4 engine in a sophisticated chassis, resulting in excellent performance. The engine tuning, including the well-designed engine brake control, is superb. Additionally, the bike offers excellent traction control with practical tuning on the left end of the handlebar.

On the other hand, the Aprilia RS 660 2021 has its own set of strengths. It features a powerful engine, a comprehensive electronic package, and a sporty chassis. The bike also produces a pleasant sound and has a reduced weight, contributing to its overall performance. Furthermore, it has a sporty appearance that adds to its appeal.

However, the Aprilia RSV4 RR 2015 has a weakness in terms of stability at high speeds when pushed to the limit. Care must be taken when making changes to the chassis or tires to ensure optimal stability.

Aprilia RS 660 2021

In contrast, the Aprilia RS 660 2021 has a weakness in the form of a tachometer that is not easily readable.

Overall, both bikes have their own strengths and weaknesses, with the Aprilia RSV4 RR 2015 offering a more powerful engine and the Aprilia RS 660 2021 providing a lighter weight and a more comprehensive electronic package.