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All Bikes/Compare/Ktm 450 Exc-f vs Sur-ron Light Bee X

Ktm 450 Exc-f vs Sur-ron Light Bee X

Side-by-side comparison for used motorcycle buyers

Ktm 450 Exc-f vs Sur-ron Light Bee X. Ktm 450 Exc-f: ~63 hp @ 9,000 rpm (note: KTM does not officially publish output figures; estimate based on third-party dyno testing of 2020–2024 models) hp, 111 kg (wet/curb weight, based on 2022–2024 model specs) weight, top speed ~170 km/h (note: estimate; street-legal gearing limits top end, varies by year and sprocket setup), Motoryk rating 8.5/10. Sur-ron Light Bee X: ~6 hp continuous / ~22 hp peak (mid-drive electric motor, no rpm rating applicable) hp, ~47 kg (curb weight) weight, top speed ~75 km/h (electronically limited; some units reported up to 80 km/h), Motoryk rating 7.5/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Ktm 450 Exc-f Sur-ron Light Bee X
Horsepower (hp)
63 hp
6 hp
Torque (Nm)
54 Nm
250 Nm
Top Speed (km/h)
170 km/h
75 km/h
Weight (kg) — lower is better
111 kg
47 kg
Type
Enduro
Enduro
Horsepower
~63 hp @ 9,000 rpm (note: KTM does not officially publish output figures; estimate based on third-party dyno testing of 2020–2024 models)
~6 hp continuous / ~22 hp peak (mid-drive electric motor, no rpm rating applicable)
Torque
~54 Nm @ 7,000 rpm (note: estimate based on third-party dyno data; official figures not published by KTM)
~250 Nm at wheel (motor output approximately 32 Nm before gear reduction); NOTE: Manufacturer claims ~250 Nm at rear wheel
Top Speed
~170 km/h (note: estimate; street-legal gearing limits top end, varies by year and sprocket setup)
~75 km/h (electronically limited; some units reported up to 80 km/h)
Weight
111 kg (wet/curb weight, based on 2022–2024 model specs)
~47 kg (curb weight)
Fuel
Estimated 6–9 L/100km depending on terrain and riding style (note: estimate, varies significantly off-road vs. road)
N/A – Electric vehicle. Estimated energy consumption: ~3–5 Wh/km (approximately 1.5–2.5 kWh per 100km equivalent)
Fairing
No
No

Individual Reviews

Ktm 450 Exc-f
Ktm 450 Exc-f
8.5/10

"An outstanding used buy, but service history is absolutely non-negotiable."

Pros
+Exceptional power-to-weight ratio
+Street legal enduro capable
+Strong aftermarket parts support
Cons
Expensive maintenance if neglected
Harsh on slow trails
Thirsty for a single
Sur-ron Light Bee X
Sur-ron Light Bee X
7.5/10

"Brilliant backyard weapon if you accept its very specific limitations."

Pros
+Genuinely fun power delivery
+Lightweight and flickable chassis
+Strong used value retention
Cons
Parts wait times are brutal
Stock brakes embarrassingly weak
Road legal in almost nowhere

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