Aprilia Tuono 660 2021 vs. KTM 790 Duke 2023

The Aprilia Tuono 660 2021 and the KTM 790 Duke 2023 are both naked bikes with similar engine power, torque, and fuel systems. However, there are several differences between the two models.

In terms of engine type, the Aprilia Tuono 660 2021 has an in-line crankpin offset engine, while the KTM 790 Duke 2023 has an in-line engine. Both bikes have 2 cylinders and liquid cooling systems. The displacement of the Aprilia Tuono 660 is 659cc, while the KTM 790 Duke has a larger displacement of 799cc. This difference in displacement may result in slightly different performance characteristics between the two bikes.

Both bikes feature upside-down telescopic forks for the front suspension, with the Aprilia Tuono 660 using Kayaba suspension and the KTM 790 Duke using WP suspension. The rear suspension on both bikes is a swing arm with a monoshock, but the Aprilia Tuono 660 offers preload and rebound adjustment, while the KTM 790 Duke only has preload adjustment. The rear suspension on the Aprilia Tuono 660 is made of aluminum, while the KTM 790 Duke does not specify the material.

Aprilia Tuono 660 2021

In terms of chassis, the Aprilia Tuono 660 has an aluminum frame that is load-bearing, while the KTM 790 Duke has a chromium-molybdenum tubular frame. Both bikes have double disk brakes on the front, with the Aprilia Tuono 660 having larger diameter disks (320mm) compared to the KTM 790 Duke (300mm). Both bikes also have four-piston front brake calipers and radial technology.

In terms of advanced rider assistance systems, both bikes offer ABS, riding modes, and traction control. The Aprilia Tuono 660 also offers additional features such as launch control, ride by wire, quickshifter, and anti-wheelie, while the KTM 790 Duke offers cornering ABS and ride by wire.

In terms of dimensions and weights, both bikes have the same front and rear tire widths and diameters. The KTM 790 Duke has a longer wheelbase (1475mm) compared to the Aprilia Tuono 660 (1370mm), which may result in differences in stability and handling. The seat height of the KTM 790 Duke is slightly higher (825mm) compared to the Aprilia Tuono 660 (820mm). Both bikes have a dry weight of 169kg and similar fuel tank capacities.

In terms of equipment, both bikes feature LED headlights. The KTM 790 Duke also offers connectivity and a TFT display, while the Aprilia Tuono 660 does not specify additional equipment.

KTM 790 Duke 2023

In terms of strengths, the Aprilia Tuono 660 2021 is praised for its easy-to-operate engine with a good sound, sporty handling, good ergonomics, decent brakes, extensive electronics (although some are at extra cost), and stable and precise chassis. On the other hand, the KTM 790 Duke 2023 is praised for its strong engine, pleasant running culture, high-quality electronics, good ergonomics for tall riders, cheeky sound, and taut chassis for sporty riding.

In terms of weaknesses, the Aprilia Tuono 660 is criticized for its price-performance ratio and the extra cost of the IMU package. The KTM 790 Duke is criticized for its non-adjustable suspension, mediocre brakes, and relatively high price compared to other bikes in its class.

Overall, both the Aprilia Tuono 660 2021 and the KTM 790 Duke 2023 have their own strengths and weaknesses, and the choice between the two will depend on individual preferences and priorities.