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Motorcycle specifications Triumph2500 Rocket III GT Storm 2025 Installed on a hurricane

Cruiser

Feet well forward, paws locked on the handlebars, grunt between the knees, you're sitting on a buffalo that's not yet awake. Now all you have to do is slam the c....lles into him by turning the throttle hard. That's what the Rocket III GT Storm is all about, with a ladleful of fury thrown in for good measure.

for 20 years, this machine has been a Hulk in the motorcycle microcosm. Powered by an enormous 3-cylinder, it boasts the most phenomenal displacement and torque on the market. The latest version boasted 167 hp and over 22 mkg of torque. But that was before it became Storm. This attraction to the storm boosts the performance of the 2.5-liter engine. With work on camshafts, valves and compression ratio, the stable grew to 182 boarders!

Triumph 2500 Rocket III GT Storm 2025 - 1Triumph 2500 Rocket III GT Storm 2025 - 1
Triumph 2500 Rocket III GT Storm 2025 - 2Triumph 2500 Rocket III GT Storm 2025 - 2Triumph 2500 Rocket III GT Storm 2025 - 3Triumph 2500 Rocket III GT Storm 2025 - 3Triumph 2500 Rocket III GT Storm 2025 - 4Triumph 2500 Rocket III GT Storm 2025 - 4Triumph 2500 Rocket III GT Storm 2025 - 5Triumph 2500 Rocket III GT Storm 2025 - 5Triumph 2500 Rocket III GT Storm 2025 - 6Triumph 2500 Rocket III GT Storm 2025 - 6

9% more power. The Rocket III will require the extra 15 hp to be extracted from a few 1000 rpm. Great, even more exhilaration and vertigo from climbing the revs while having your head ripped off. A little more torque too, 4 Nm. It even takes the liberty of blowing its nose at the Euro5b standard. And how do you brake?

The same way as before. The Storm name doesn't come with any major changes to the chassis. Only the wheels have changed: the redesigned rims are a kilo lighter and fitted with Metzeler Cruisetec tires. The generous dimensions of 150 mm at the front and 240 mm at the rear go hand in hand with big brakes. Brembo Stylema 4-piston radial calipers work around 320 mm discs - the same stuff found on most hypersports. The rear is also consistent, with a 4-piston caliper for a large 300 mm disc. The aluminum frame, 47 mm inverted fork and monoshock anchored to the large cardanic monobar remain unchanged.

Neither has the riding position. Compared to the R Storm, the GT adopts a more relaxed posture. The handlebars are further back (by 125 mm) and the feet are in line with the hands, imposing a custom attitude. The seat is lower and the footrests can be adjusted to 3 positions, 50 mm horizontally. The passenger seat is also more welcoming than on the R, with more padding and a height-adjustable sissy bar. The front is more protective, with a larger transparent bubble. Heated grips come as standard.

Triumph 2500 Rocket III GT Storm
the Rocket III's increased power is accompanied by a change of tone. The Dark takes up residence, with a black finish for the rear sub-frame, fork tees, exhaust assembly, fork tees, foot controls, levers, brake caliper brackets, headlight surround and kickstand. A real stormy night for this machine. Lightning can only glint off the fuel cap, its steel belt, the "Rocket 3 GT" badge under the seat, and the few threads of machining on the engine.

What do the electronics say? Status quo. The basket was already well-stocked. Rocket IIIs feature 4 riding modes (Road - Sport - Rain - Configurable), angle-sensitive traction control, cornering ABS, full LED lighting, keyless keyless entry, dual-theme color TFT instrument panel, cruise control, backlit switches, roll-back assist and under-seat USB port. The shifter is optional. As for other modules, she says, why bother? Glide control? I don't ride the track. Launch Control? It would blow up in no time. Radar? It's the others who get out of the way when I arrive. 320 kg projected by a catapult, it'll crack your road.

With this Strom evolution, the Rocket III GT perpetuates its status as the most insane cruiser on the market. It's a little more expensive than the R, a little more comfortable, but still just as demonic when provoked.

M.B. - Manufacturer's photos


Triumph 2500 Rocket III GT Storm (2025) : What you need to know before you buy

Prices

Basic version
GermanyGermany
26,695€
United KingdomUnited Kingdom
£23,195
BelgiumBelgium
26,695€
SpainSpain
27,195€
United StatesUnited States
$25,795
FranceFrance
27,195€
ItalyItaly
26,495€
LuxembourLuxembour
26,695€
PortugalPortugal
26,195€
SwitzerlandSwitzerland
28,695CH

Bikers' reviews

of 3 reviews
Model sold in

Performance

Specifications

Triumph 2500 Rocket III GT Storm 2025
  • Chassis
  • Frame : struture en aluminium
  • Fuel capacity : 18 liters (4.76 US gallons)
  • Seat height : 750 mm (29.53 in)
  • Length : 2,365 mm (93.11 in)
  • Width : 920 mm (36.22 in)
  • Min height : 1,183 mm (46.57 in)
  • Wheelbase : 1,677 mm (66.02 in)
  • Curb mass : 320 kg (705 lb)
Triumph 2500 Rocket III GT Storm 2025 specifications
  • Transmission
  • 6 stage gearbox , manual - optional shifter
  • Secondary cardan shaft
  • Standard equipment
  • Brake assist : ABS
  • Number of riding modes : 4
  • ABS Cornering
  • Aluminium rims
  • Gear indicator
  • Cruise control
  • Bluetooth
  • USB plug
  • Hill Hold Control
  • Keyless ignition
  • Traction control
  • Heated grips
  • Anti-slip clutch
  • Adjustable footrests
  • Inertial measurement system
  • Backlit switchgear

Gallery

Models

2024

2025

Compare

Compare the 2500 Rocket III GT Storm to its competitors

Price

Triumph 2500 Rocket III GT Storm 2025 : $25795
Ducati Diavel V4 2025 Undisclosed
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : $24199

Acceleration

Triumph 2500 Rocket III GT Storm 2025 Undisclosed
Ducati Diavel V4 2025 : 2.9 s
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 Undisclosed

Fuel consumption

Triumph 2500 Rocket III GT Storm 2025 : 6.60 liters/100km (0.36 mpg)
Ducati Diavel V4 2025 : 6.40 liters/100km (0.37 mpg)
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 5.60 liters/100km (0.42 mpg)

Range

Triumph 2500 Rocket III GT Storm 2025 : 273 km (170 miles)
Ducati Diavel V4 2025 : 313 km (194 miles)
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 338 km (210 miles)

Torque

Triumph 2500 Rocket III GT Storm 2025 : 22.94 mkg
Ducati Diavel V4 2025 : 12.8 mkg
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 17.6 mkg

Power

Triumph 2500 Rocket III GT Storm 2025 : 182 ch (179.50 hp)
Ducati Diavel V4 2025 : 168 ch (165.70 hp)
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 114 ch (112.40 hp)

Power-to-Weight ratio

Triumph 2500 Rocket III GT Storm 2025 : 1.7 kg/ch *
Ducati Diavel V4 2025 : 1.35 kg/ch
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 2.56 kg/ch *

Torque-to-Weight ratio

Triumph 2500 Rocket III GT Storm 2025 : 13.27 kg/mkg *
Ducati Diavel V4 2025 : 17.42 kg/mkg
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 16.35 kg/mkg *

Speed

Triumph 2500 Rocket III GT Storm 2025 : approximately 240 km/h (149.10 mph)
Ducati Diavel V4 2025 : over 250 km/h (155.30 mph)
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : over 180 km/h (111.80 mph)

CO² emissions

Triumph 2500 Rocket III GT Storm 2025 : 152 g/km
Ducati Diavel V4 2025 : 154 g/km
Harley-Davidson 1920 Softail Low Rider ST FXLRST 2025 : 135 g/km
Comparison
Compare motorcycles

Bikers' reviews (3)

French Model 2025
Fantastic bike, I own exactly this one. Having owned a lot of HARLEYs, I've just switched to Triumph because I'm no longer happy with HD. What acceleration, dazzling acceleration at all revs, but especially from 3500 to 4500 rpm. Easy to handle, the braking is impressive, especially coming from HARLEY. Superb finish, decent fuel consumption if you ride quietly, practical heated grips. Even the exhaust gives off a nice, throaty wail that doesn't need changing, and I love the pop and bang when you let off the throttle. Very good low-beam lighting, fairly legible speedo but complex to handle. Positive point for the illuminated controls, top-notch. Not too expensive to insure compared with a sports bike. Rating : 5/5
French Model 2025
I tried out the old models (with 100 hp) a few years ago and loved the torque, the look and the bestiality of this big bike! This one appeals to me too, even if I'm looking for something lighter now... Rating : 5/5
French Zzriste Model 2024
Incredible, magnificent, delirious, monumental. I don't know if I'll ever dare ride this monster Rating : 5/5
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