KTM 790 Duke 2018 vs. Aprilia Tuono 660 2021

The KTM 790 Duke 2018 and the Aprilia Tuono 660 2021 are both naked bikes that offer impressive performance and advanced features. However, there are several key differences between the two models.

In terms of engine specifications, the KTM 790 Duke 2018 is equipped with an in-line, liquid-cooled engine with a displacement of 799cc. It delivers a powerful 105 horsepower and features fuel injection for efficient performance. On the other hand, the Aprilia Tuono 660 2021 also has an in-line, liquid-cooled engine but with a slightly smaller displacement of 659cc. It produces 95 horsepower, which is slightly lower than the KTM 790 Duke.

Both bikes feature upside-down telescopic forks for the front suspension, with the KTM 790 Duke using WP suspension and the Aprilia Tuono 660 utilizing Kayaba suspension. The rear suspension on both models consists of a swing arm with a monoshock absorber. However, the Aprilia Tuono 660 offers additional adjustment options for preload and rebound, providing riders with more customization options.

KTM 790 Duke 2018

In terms of braking performance, both bikes feature double disc brakes on the front with a diameter of 300mm for the KTM 790 Duke and 320mm for the Aprilia Tuono 660. Both models also utilize four-piston calipers and radial technology for enhanced braking power.

When it comes to advanced rider assistance systems, both bikes offer ABS, riding modes, and traction control. However, the Aprilia Tuono 660 goes a step further and includes additional features such as launch control, ride by wire, quickshifter, and anti-wheelie control. These advanced systems provide riders with improved safety and performance, but it's worth noting that some of these features may come at an extra cost for the Aprilia Tuono 660.

In terms of dimensions and weights, the Aprilia Tuono 660 has a shorter wheelbase of 1370mm compared to the 1475mm of the KTM 790 Duke. The seat height of the Aprilia Tuono 660 is also slightly lower at 820mm compared to the 825mm of the KTM 790 Duke. Both bikes have a dry weight of 169kg and similar tire sizes.

In terms of equipment, the KTM 790 Duke 2018 offers an adjustable windscreen, while the Aprilia Tuono 660 comes with LED headlights, providing improved visibility.

Aprilia Tuono 660 2021

In terms of strengths, the KTM 790 Duke 2018 is praised for its lively engine, sporty chassis, precise quickshifter, and comfortable seating position. On the other hand, the Aprilia Tuono 660 2021 is commended for its easy-to-operate engine, sporty handling, good ergonomics, and decent brakes. Both models also offer extensive electronics, although some features may be optional or come at an extra cost for the Aprilia Tuono 660.

In terms of weaknesses, the KTM 790 Duke 2018 is criticized for its rough handling at low revs, especially in city traffic, and occasional oil leaks. The Aprilia Tuono 660 2021 is noted for its price-to-performance ratio not being ideal and the fact that the IMU package costs extra.

Overall, both the KTM 790 Duke 2018 and the Aprilia Tuono 660 2021 are impressive naked bikes that offer powerful performance and advanced features. The choice between the two ultimately depends on individual preferences, with the KTM 790 Duke offering a more powerful engine and the Aprilia Tuono 660 providing additional electronic features at a potentially higher cost.