2020 Suzuki GSX-R 750 vs 2021 Triumph Trident 660

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2020 Suzuki GSX-R 750 2020 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
2021 Triumph Trident 660 2021 Triumph Trident 660

Sport

Engine
Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder
Power
80 hp / 60 kW @ 10250 rpm
Top Speed
N/A
Weight
189 kg / 417 lbs
Full Specifications
General
Year20202021
ColoursGlass Sparkle Black/Pearl Glacier White, Metallic Matte Black No.2/Glass Sparkle Black-
Make ModelSuzuki GSX-R 750Triumph Trident 660
Warranty12 month unlimited mileage limited warranty.-
Dimensions
Ground Clearance (mm)130 mm-
Ground Clearance (in.)5.1 inches-
Seat Height810 mm / 31.8 in.805 mm / 31.7 in
Wheelbase1390 mm / 54.7 in.1401 mm / 55.2 in
Ground Clearance130 mm / 5.1 in-
Height1125 mm / 44.6 in.1089 mm / 42.9 in (excl Mirrors)
Length2030 mm / 79.9 in.2020 mm / 79.5 in
Width710 mm / 28.0 in.795 mm / 31.3 in (incl Handlebars)
Weights & Capacities
Dry Weight156 kg / 344 lbs-
Fuel Capacity17 Litres / 4.5 US gal / 3.7 Imp gal14 Litres / 3.7 US gal
Wet Weight190 kg / 418 lbs189 kg / 417 lbs
Performance
Top Speed270.7 km/h / 168 mph-
Acceleration (0-100 km/h)3.2 sec-
Max Power110.3 kW / 148 hp @ 12800 rpm80 hp / 60 kW @ 10250 rpm
Max Torque86.3 Nm / 8.8 kgf-m / 64 ft-lb @ 11200 rpm64 Nm / 47 lb-ft @ 6250 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.660 cc / 40.2 cu-in
Engine DetailFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder
Fuel SystemInjection. Suzuki Dual Throttle Valve fuel injection-
Bore x Stroke70 x 48.7 mm74.0 x 51.1mm
Compression Ratio12.5:111.1:1
Cooling SystemLiquid. High capacity large trapezoidal-shaped radiator which includes compact cooling fan assembly designed for improved air flow.Liquid cooled
Emissions-Euro-5
Engine LubricationWet sump-
Engine Oil SpecificationSynthetic,10W/40-
ExhaustFour-into-one stainless steelStainless steel 3 into 1 header system with low single sided stainless steel 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 systemMultipoint sequential electronic fuel injection with electronic throttle control
IgnitionDigital DC-CDI-
LubricationWet sump-
Spark PlugNGK, CR9E-
StarterElectricElectric
Valve System4-
Drivetrain
ClutchWet, multiple discsWet, multi-plate, slip and assist
Final DriveChain, RK525ROZ5Y, 116 linksX-ring chain
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, Chain-
Transmission / Drive6 Speed, constant mesh6 Speed
Chassis
Frame TypeUltra-lightweight frame built entirely of aluminum alloy castings.Tubular steel perimeter frame, twin-sided, fabricated steel Swingarm
Suspension - FrontShowa inverted 41 mm cartridge front forks fully adjustable for high and low speed compression, spring preload, and rebound damping41mm Showa upside down separate function forks (SFF)
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 dampingShowa monoshock RSU, with preload adjustment
Rake23.8°24.6°
Trail97 mm / 3.8 in.107.3 mm / 4.2 in
Wheel Travel - Front120 mm / 4.7 in.120 mm / 4.7 in
Wheel Travel - Rear130 mm / 5.1 in.134 mm / 5.3 in
Electrical Systems
InstrumentationAnalog tachometer and LCD panel with speed, odometer, dual trip meter, reserve trip meter, clock, coolant temperature/oil pressure indicator, S-DMS, and gear position indicatorsMulti-function instruments with colour TFT screen
Lighting systemVertically stacked high- and low-beam halogen bulbs-
Wheels & Brakes
Brakes - Front2 x 310 mm Discs, radial-mount opposed-four-piston Brembo 4 piston monoblock calipers2x 310mm discs Nissin 2-piston calipers
Brakes - RearSingle 220 mm disc, Nissin single piston caliperSingle 255mm disc Nissin single-piston sliding caliper
ABS-Standard
RimsThree-spoke cast aluminum alloy-
Rims - Front3.8 x 173.5 x 17
Rims - Rear5.5 x 175.5 x 17
Tyres - Front120/70 ZR17120/70 - R17
Tyres - Rear180/55 ZR17180/55 - R17
WheelsAluminum, 3 spoke5 Spoke cast aluminum

Verdict

Winner on specs

2020 Suzuki GSX-R 750

The 2020 Suzuki GSX-R 750 edges out the 2021 Triumph Trident 660 thanks to its larger fuel tank, dual front discs and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2020 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.
  • Larger displacement: 749 cc vs 660 cc - more cubic capacity means broader torque delivery and greater low-end pull.

2021 Triumph Trident 660 - Advantages

  • 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.

2020 Suzuki GSX-R 750 vs 2021 Triumph Trident 660 - FAQs

What are the engine differences between the 2020 Suzuki GSX-R 750 and 2021 Triumph Trident 660?
The 2020 Suzuki GSX-R 750 uses In-line four, four-stroke, while the 2021 Triumph Trident 660 is powered by Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder.
Which has the larger fuel tank, the 2020 Suzuki GSX-R 750 or the 2021 Triumph Trident 660?
The 2020 Suzuki GSX-R 750 has the larger tank at approximately 17 litres vs 14 litres for the 2021 Triumph Trident 660. At 5-6 l/100 km that is roughly 283-340 km vs 233-280 km between stops.
Does the 2020 Suzuki GSX-R 750 or 2021 Triumph Trident 660 have ABS?
The 2021 Triumph Trident 660 is listed with ABS as standard. The 2020 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 2020 Suzuki GSX-R 750 or the 2021 Triumph Trident 660?
Both are strong choices. The 2020 Suzuki GSX-R 750 has the edge in larger fuel tank and dual front discs, while the 2021 Triumph Trident 660 stands out for fuel injection and standard ABS. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.