KTM RC 390 2018 vs. KTM 390 Duke 2021

The KTM RC 390 model year 2018 and the KTM 390 Duke model year 2021 share many similarities in terms of their technical specifications. Both bikes have the same bore and stroke measurements of 89 mm and 60 mm, respectively. They also have the same engine power of 44 HP and torque of 35 Nm. The compression ratio is slightly higher in the KTM 390 Duke 2021 at 12.6 compared to 12.5 in the KTM RC 390 2018. Both bikes have a single cylinder engine with a displacement of 373.2 ccm.

In terms of suspension, both bikes feature an upside-down telescopic fork front suspension and use WP brand suspension components for both the front and rear. The chassis of both bikes is made of chromium-molybdenum and has a tubular frame design. The front brakes on both bikes are single disk with four pistons and radial technology.

KTM RC 390 2018

Both bikes have the same front and rear tire dimensions, with a width of 110 mm and a diameter of 17 inches. However, there are slight differences in the wheelbase and seat height. The KTM RC 390 2018 has a wheelbase of 1340 mm and a seat height of 820 mm, while the KTM 390 Duke 2021 has a slightly longer wheelbase of 1367 mm and a slightly higher seat height of 830 mm. The fuel tank capacity is also different, with the KTM RC 390 2018 having a capacity of 10 liters and the KTM 390 Duke 2021 having a larger capacity of 13.4 liters.

In terms of strengths, the KTM RC 390 2018 is praised for its World Championship-ready racing machine capabilities. On the other hand, the KTM 390 Duke 2021 is commended for its typical Duke ergonomics that are suitable for taller riders, extremely agile handling, and sporty engine with great handling. It also features a modern TFT display with smartphone connectivity, a supermoto mode, and the option for a quickshifter. Additionally, the KTM 390 Duke 2021 offers adjustable hand levers and a top price-performance ratio for an A2 motorbike.

KTM 390 Duke 2021

As for weaknesses, the KTM RC 390 2018 is noted for the realization that it may not be suitable for becoming a gifted ring rider. On the other hand, the KTM 390 Duke 2021 has been criticized for having a chassis that is tuned a little too soft and a slightly spongy pressure point in the brakes.

Overall, both the KTM RC 390 2018 and the KTM 390 Duke 2021 are high-performance bikes with similar technical specifications. However, the KTM 390 Duke 2021 offers additional features and improvements, such as a larger fuel tank capacity, adjustable hand levers, and modern connectivity options, making it a more attractive option for riders looking for a versatile and technologically advanced naked bike.