MotoSpecs

2019 Suzuki GSX-R 750 vs 2020 KTM 790 Duke

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2019 Suzuki GSX-R 750 2019 Suzuki GSX-R 750

Sport

Engine
In-line four, four-stroke
Power
110.3 kW / 148 hp @ 12800 rpm
Top Speed
270.7 km/h / 168 mph
Weight
418.9 pounds
2020 KTM 790 Duke 2020 KTM 790 Duke

Sport

Engine
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Power
78 kW / 105 hp @ 9000 rpm
Top Speed
N/A
Weight
169 kg / 372.5 lbs
Full Specifications
General
Year20192020
ColoursGlass Sparkle Black/Pearl Glacier White, Metallic Matte Black No.2/Glass Sparkle Black-
Make ModelSuzuki GSX-R 750KTM 790 Duke
Warranty12 month unlimited mileage limited warranty.-
Dimensions
Ground Clearance (mm)130 mm-
Ground Clearance (in.)5.1 inches-
Seat Height810 mm / 31.8 in.825 mm / 32.4 in
Wheelbase1390 mm / 54.7 in.1475 ± 15 mm / 58 in
Ground Clearance130 mm / 5.1 in186 mm / 7.3 in
Height1125 mm / 44.6 in.1059 mm / 41.7 in
Length2030 mm / 79.9 in.2062 mm / 81.2 in
Width710 mm / 28.0 in.904 mm / 35.6 in
Weights & Capacities
Dry Weight156 kg / 344 lbs169 kg / 372.5 lbs
Fuel Capacity17 Litres / 4.5 US gal / 3.7 Imp gal14 Litres / 3.7 US gal
Wet Weight190 kg / 418 lbs-
Performance
Top Speed270.7 km/h / 168 mph-
Acceleration (0-100 km/h)3.2 sec-
Max Power110.3 kW / 148 hp @ 12800 rpm78 kW / 105 hp @ 9000 rpm
Max Torque86.3 Nm / 8.8 kgf-m / 64 ft-lb @ 11200 rpm87 Nm / 63.4 lb-ft @ 8,000 rpm
Standing Start ¼ Mile10.7 sec-
Top Gear Acceleration4.1 sec-
Engine
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)-
Engine TypeIn-line four, four-stroke-
Displacement749 c / 45.7 cub. in.799 cc / 48.7 cu-in
Engine DetailFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Fuel SystemInjection. Suzuki Dual Throttle Valve fuel injection-
Bore x Stroke70 x 48.7 mm88 mm x 65.7 mm
Compression Ratio12.5:112.7:1
Cooling SystemLiquid. High capacity large trapezoidal-shaped radiator which includes compact cooling fan assembly designed for improved air flow.Liquid cooled
Engine LubricationWet sump-
Engine Oil SpecificationSynthetic,10W/40-
Exhaust-Stainless steel primary and secondary silencer
Fuel Consumption5.5 l/100 km / 18.3 km/l / 43 US mpg / 51 Imp mpg-
Fuel InductionNew 32 bit ECM features 1024 kilobytes of ROM for maximum engine performance working in conjunction with the new S-DMS engine management systemDell'Orto fuel-Injection
IgnitionDigital DC-CDIBosch EMS with RBW
LubricationWet sumpForced oil lubrication with 2 oil pumps
Spark PlugNGK, CR9E-
StarterElectricElectric
Valve System4-
Drivetrain
ClutchWet, multiple discsPASC antihopping clutch, mechanically operated
Final DriveChain, RK525ROZ5Y, 116 linksChain 520 X-Ring
Gear Ratios1st 2.79 / 2nd 2.05 / 3rd 1.71 / 4th 1.50 / 5th 1.35 / 6th 1.20:1-
Gearbox6-speed-
Primary DriveRK525ROZ5Y, 116 links, Chain39:75
Secondary Drive Ratio-16:41
Transmission / Drive6 Speed, constant mesh6 Speed
Chassis
Frame TypeUltra-lightweight frame built entirely of aluminum alloy castings.Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated
Suspension - FrontShowa inverted 41 mm cartridge front forks fully adjustable for high and low speed compression, spring preload, and rebound damping43mm WP upside-down
Suspension - RearShowa 41mm aluminum alloy rear shock with a 16mm rod diameter are fully adjustable for high and low speed compression, spring preload and rebound dampingWP shock absorber with preload adjuster
Rake23.8°24°
Steering Head Angle-66°
Trail97 mm / 3.8 in.98 mm / 3.8 in
Wheel Travel - Front120 mm / 4.7 in.140 mm / 5.5 in
Wheel Travel - Rear130 mm / 5.1 in.150 mm / 5.9 in
Wheels & Brakes
Brakes - Front2 x 310 mm Discs, radial-mount opposed-four-piston Brembo 4 piston monoblock calipers2x 300mm discs
Brakes - RearSingle 220 mm disc, Nissin single piston caliperSingle 240mm disc
ABS-Bosch 9MP two-channel ABS (incl. Supermoto mode, diesengageable)
Rims - Front3.8 x 17-
Rims - Rear5.5 x 17-
Tyres - Front120/70 ZR17120/70-17
Tyres - Rear180/55 ZR17180/55-17
WheelsAluminum, 3 spokeCast aluminium
Wheels - Front-3.50 x 17 in
Wheels - Rear-5.50 x 17 in

Verdict

Winner on specs

2020 KTM 790 Duke

The 2020 KTM 790 Duke edges out the 2019 Suzuki GSX-R 750 thanks to its lighter kerb weight, fuel injection, standard ABS, greater ground clearance, higher rear wheel travel, higher front wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2019 Suzuki GSX-R 750 - Advantages

  • Larger fuel tank: More range between stops - an advantage on touring routes and remote roads.
  • Dual front discs: Greater stopping power and better heat management under hard braking.

2020 KTM 790 Duke - Advantages

  • Lighter: 169 kg vs 190 kg - easier to handle and less fatiguing on long trips.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.
  • Larger displacement: 799 cc vs 749 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More ground clearance: 186 mm vs 130 mm - better clearance over rocks and obstacles.
  • More rear wheel travel: 150 mm vs 130 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 140 mm vs 120 mm - greater compliance over rough surfaces.

2019 Suzuki GSX-R 750 vs 2020 KTM 790 Duke - FAQs

What are the engine differences between the 2019 Suzuki GSX-R 750 and 2020 KTM 790 Duke?
The 2019 Suzuki GSX-R 750 uses In-line four, four-stroke, while the 2020 KTM 790 Duke is powered by Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder.
Which is lighter, the 2019 Suzuki GSX-R 750 or the 2020 KTM 790 Duke?
The 2020 KTM 790 Duke is lighter at 169 kg compared to 190 kg for the 2019 Suzuki GSX-R 750 - a difference of 21 kg. This is a meaningful difference that affects handling and rider fatigue.
Which bike is better for shorter riders, the 2019 Suzuki GSX-R 750 or the 2020 KTM 790 Duke?
The 2019 Suzuki GSX-R 750 has the lower seat at 810 mm, making it more accessible. The 2020 KTM 790 Duke sits higher at 825 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which has the larger fuel tank, the 2019 Suzuki GSX-R 750 or the 2020 KTM 790 Duke?
The 2019 Suzuki GSX-R 750 has the larger tank at approximately 17 litres vs 14 litres for the 2020 KTM 790 Duke. At 5-6 l/100 km that is roughly 283-340 km vs 233-280 km between stops.
Does the 2019 Suzuki GSX-R 750 or 2020 KTM 790 Duke have ABS?
The 2020 KTM 790 Duke is listed with ABS as standard. The 2019 Suzuki GSX-R 750 does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2019 Suzuki GSX-R 750 or the 2020 KTM 790 Duke?
Both are strong choices. The 2019 Suzuki GSX-R 750 has the edge in larger fuel tank and dual front discs, while the 2020 KTM 790 Duke stands out for lighter kerb weight and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

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