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Custom - Cruiser · 2020

Rocket 3 GT

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MotoLibrary Score
76 /100 High Performance
Power/Weight
0.56 hp/kg
Torque
221 Nm
Engine
2458 ccm

2020 Triumph Rocket 3 GT Key Specifications & Summary

The 2020 Triumph Rocket 3 GT is a custom - cruiser motorcycle manufactured by Triumph, equipped with a 2458.0 ccm (149.99 cubic inches) displacement unit (In-line three, four-stroke) with liquid cooling. In factory trim, the engine delivers a rated power of 165.0 HP (120.4 kW)) @ 6000 RPM and peak torque of 221.0 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 4000 RPM, paired with a 6-speed transmission and shaft drive (cardan) (final drive) final drive.

For rider ergonomics and real-world handling, key chassis measurements include a dry weight of 294.0 kg (648.2 pounds), seat height of 750 mm (29.5 inches) If adjustable, lowest setting., fuel capacity of 18.00 litres (4.76 US gallons). Review the complete factory specification tables below to evaluate engine internals, suspension travel, braking hardware, tyre sizes and ownership estimates, or compare the 2020 Triumph Rocket 3 GT side by side against rival models in the Custom - Cruiser lineup.

Engine
Displacement 2458.0 ccm (149.99 cubic inches)
Engine Type In-line three, four-stroke
Engine Details Counter rotating crankshaft
Power 165.0 HP (120.4 kW)) @ 6000 RPM
Torque 221.0 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 4000 RPM
Compression 10.8:1
Bore x Stroke 110.2 x 85.9 mm (4.3 x 3.4 inches)
Fuel System Injection
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Shaft drive (cardan) (final drive)
Clutch Wet, multi-plate hydraulically operated, torque assist
Performance
Fuel Consumption 6.82 litres/100 km (14.7 km/l or 34.49 mpg)
Greenhouse Gases 158.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission Details Euro 5
Exhaust Stainless 3-into-1 headers with 3 exit Arrow-branded silencer/CAT box
Chassis
Frame Type Aluminium frame. Single-sided, cast aluminum swingarm.
Rake 27.9°
Trail 135 mm (5.3 inches)
Front Suspension Showa 47 mm upside-down 1 1 cartridge front forks, compression and rebound adj.
Front Travel 120 mm (4.7 inches)
Rear Suspension Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster
Rear Travel 107 mm (4.2 inches)
Wheelbase 1677 mm (66.0 inches)
Wheels & Brakes
Front Tyre 150/80-R17
Rear Tyre 240/50-R16
Front Brakes Double disc. Brembo M4.30 Stylema 4-piston radial monobloc calipers. ABS.
Front Brake Ø 320 mm (12.6 inches)
Rear Brakes Single disc. Brembo 2-piston fixed calipers. ABS.
Rear Brake Ø 300 mm (11.8 inches)
Wheels Cast aluminum alloy 5 spoke
Dimensions & Weight
Dry Weight 294.0 kg (648.2 pounds)
Power/Weight 0.5611 HP/kg
Seat Height 750 mm (29.5 inches) If adjustable, lowest setting.
Overall Height 1066 mm (42.0 inches)
Overall Width 886 mm (34.9 inches)
Fuel Capacity 18.00 litres (4.76 US gallons)
Other
Starter Electric
Color Options Silver Ice/Storm Grey, Phantom Black
Instruments TFT multi-functional instrument pack with digital speedometer, trip computer, digital tachometer, gear position indicator, fuel gauge, service indicator, ambient temperature, clock and rider modes (Rain/Road/Sport/Rider-configurable)
More from Triumph
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🔴
Advanced
High performance — experienced riders only.
✌️
Best For
Cruising & Touring
📏
Seat Height
75 cm / 29.5 in
⚖️
Handling
Heavy bike — requires confident handling
100 ? 600 : hp > 50 ? 400 : 250; return Math.round(base + (this.km / 10000) * 150); }, get insuranceCost() { const hp = 165; return Math.round(hp > 100 ? 800 : hp > 50 ? 500 : 300); }, get total() { return this.fuelCost + this.maintenanceCost + this.insuranceCost; }, get monthly() { return Math.round(this.total / 12); } }">
Estimate

Ownership Cost Calculator

⛽ Fuel
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🔧 Maintenance
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🛡️ Insurance
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TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

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