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All Bikes/Compare/Ktm 390 Duke vs Triumph Street Triple

Ktm 390 Duke vs Triumph Street Triple

Side-by-side comparison for used motorcycle buyers

Ktm 390 Duke vs Triumph Street Triple. Ktm 390 Duke: 44 hp @ 9,000 rpm (2023+ model; earlier models ~43 hp) hp, 171 kg (wet/curb weight – 2023 model; earlier models approx. 169 kg) weight, top speed 167 km/h (est. – note: varies slightly by year/market), Motoryk rating 8.0/10. Triumph Street Triple: 118 hp @ 12,000 rpm (2023 Street Triple RS 765; base R variant approx. 94 hp; note: varies significantly by variant and year) hp, 166 kg (wet/curb weight, Street Triple RS; base variants approx. 168 kg) weight, top speed 225 km/h (note: approximate; RS variant slightly higher, around 230 km/h), Motoryk rating 8.5/10.

Performance at a Glance

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

Ktm 390 Duke Triumph Street Triple
Horsepower (hp)
44 hp
118 hp
Torque (Nm)
39 Nm
79 Nm
Top Speed (km/h)
167 km/h
225 km/h
Weight (kg) — lower is better
171 kg
166 kg
Type
Naked
Naked
Horsepower
44 hp @ 9,000 rpm (2023+ model; earlier models ~43 hp)
118 hp @ 12,000 rpm (2023 Street Triple RS 765; base R variant approx. 94 hp; note: varies significantly by variant and year)
Torque
39 Nm @ 7,000 rpm
79 Nm @ 9,350 rpm (Street Triple RS 765; note: varies by variant)
Top Speed
167 km/h (est. – note: varies slightly by year/market)
225 km/h (note: approximate; RS variant slightly higher, around 230 km/h)
Weight
171 kg (wet/curb weight – 2023 model; earlier models approx. 169 kg)
166 kg (wet/curb weight, Street Triple RS; base variants approx. 168 kg)
Fuel
3.5–4.5 L/100km (approx. 22–28 km/L, real-world average)
5.5–6.5 L/100km (approx. 15–18 km/L, real-world average; note: varies by variant and riding style)
Fairing
No
No

Individual Reviews

Ktm 390 Duke
Ktm 390 Duke
8.0/10

"Brilliant urban weapon when bought carefully from a responsible previous owner."

Pros
+Savage power-to-weight ratio
+Excellent Bosch cornering ABS
+Sharp, adjustable WP suspension
Cons
Fragile subframe cracks easily
Vibration gets tiring long-distance
Hard seat punishes after 45min
Triumph Street Triple
Triumph Street Triple
8.5/10

"The best all-rounder middleweight money can buy used."

Pros
+Triple engine sounds incredible
+Razor-sharp chassis response
+Comfortable all-day ergonomics
Cons
Throttle body issues on older bikes
Fuel economy genuinely poor
Pillion seat essentially decorative

Top 10 Accessories

Picks that work on either bike.

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Mighty Max Battery YTX9-BS -12 Volt 8 AH, 135 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
Battery
Mighty Max Battery YTX9-BS -12 Volt 8 AH, 135 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
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R&G Racing Aero Frame Sliders Triumph Street Triple
R&G · Frame Sliders
R&G Racing Aero Frame Sliders Triumph Street Triple
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MC Front Rear Brake Pads for KTM Duke 125 200 250 390 Brakes 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Duke 390/250/200/125 FA213 FA606 MC0560
Brake Pads
MC Front Rear Brake Pads for KTM Duke 125 200 250 390 Brakes 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Duke 390/250/200/125 FA213 FA606 MC0560
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NICHE Gold 525 X-Ring Chain 118 Links with Connecting Master Link
Chain & Lube
NICHE Gold 525 X-Ring Chain 118 Links with Connecting Master Link
View on Amazon →
KTM/Motorex Oil Change kit for 250/390 engines
Engine Oil
KTM/Motorex Oil Change kit for 250/390 engines
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AJC Battery Compatible with Triumph Street Triple R ABS 675CC Motorcycle Battery (2014-2016)
Battery
AJC Battery Compatible with Triumph Street Triple R ABS 675CC Motorcycle Battery (2014-2016)
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Michelin Road 6 Rear Motorcycle Tire 190/50ZR-17 (73W)
Tires
Michelin Road 6 Rear Motorcycle Tire 190/50ZR-17 (73W)
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Caltric Front Rear Brake Pads Compatible with Triumph Street Triple 675 2007-2014
Brake Pads
Caltric Front Rear Brake Pads Compatible with Triumph Street Triple 675 2007-2014
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NICHE Gold 520 X-Ring Chain 118 Links with Connecting Master Link
Chain & Lube
NICHE Gold 520 X-Ring Chain 118 Links with Connecting Master Link
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120/70ZR-17 (58W) Pirelli Diablo Rosso 2 Front Motorcycle Tire for Triumph Street Triple R 765 2017-2018
Tires
120/70ZR-17 (58W) Pirelli Diablo Rosso 2 Front Motorcycle Tire for Triumph Street Triple R 765 2017-2018
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