Across 4 covered model years from 2003 to 2006, the Triumph Speed Four motorcycle has a listed dry weight of 374.8 lb (170 kg).
Triumph Speed Four weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Middleweight Motorcycle
How heavy is the Triumph Speed Four?
dry weight
Using a model-level dry weight comparison, the Triumph Speed Four is lighter than about 87.5% of 36 Triumph motorcycles with compatible weight data.
Dry weight
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Triumph Speed Four weight & related specs
| Model years covered | 2003, 2004, 2005, 2006 |
|---|---|
| Dry weight | 374.8 lb (170 kg) |
| Engine displacement | 599 cc |
| Torque | 50.2 lb-ft (68 Nm) |
| Fuel capacity | 4.39 US gal (16.6 L) to 4.76 US gal (18 L) |
| Full-tank fuel weight (estimated) | 27.3 lb (12.4 kg) to 29.6 lb (13.4 kg) |
Weight changes by model year
The 2003 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Torque per 100 lb | 13.38 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.6 cc / lb |
| Weight per 100 cc | 62.6 lb / 100 cc |
| Fuel weight as % of bike weight | 7.3% to 7.9% |
| Weight with full tank | 402.1 lb (182.4 kg) to 404.3 lb (183.4 kg) |
What the weight numbers tell you
Triumph Speed Four weight FAQ
How much does the Triumph Speed Four weigh?
The source data gives 374.8 lb (170 kg) as dry weight. A fueled, road-ready bike will weigh more than this figure.
How does the Triumph Speed Four weight compare with similar Triumphs?
Relatively light. On a model-level comparison, it is lighter than about 87.5% of 36 Triumph motorcycles with the same weight basis.
Are all Triumph Speed Four model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 2003-2006 years covered here.
What does a full tank of gas weigh on the Triumph Speed Four?
A full tank works out to about 27.3 lb (12.4 kg) to 29.6 lb (13.4 kg) from the listed 4.39 US gal (16.6 L) to 4.76 US gal (18 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Triumph Speed Four weigh with a 180 lb rider?
The approximate combined total is 554.8 lb (251.6 kg) with a 180 lb rider, based on the representative dry weight used on this page.
How much heavier will the Triumph Speed Four be than its dry weight?
Do not treat dry weight as curb weight. Adding the listed fuel capacity alone produces roughly 402.1 lb (182.4 kg) to 404.3 lb (183.4 kg); the true ready-to-ride figure can still differ because dry-weight definitions vary.
What does the Triumph Speed Four weigh with a full tank?
The page calculates about 402.1 lb (182.4 kg) to 404.3 lb (183.4 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Triumph curb-weight number.
What is the Triumph Speed Four torque-to-weight ratio?
Available data gives 13.38 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Triumph Speed Four engine for its weight?
The model has about 1.6 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Triumph Motorcycles website.