Across 4 covered model years from 1947 to 1950, the Triumph 500 Grand Prix motorcycle has a listed dry weight of 313.1 lb (142 kg).
Triumph 500 Grand Prix weight overview
This is on the lighter side for a road motorcycle. The advantage is usually most obvious while parking, maneuvering at walking speed and moving the bike around off the engine. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Light Motorcycle
How heavy is the Triumph 500 Grand Prix?
dry weight
Using a model-level dry weight comparison, the Triumph 500 Grand Prix is lighter than about 92.1% of 19 Triumph sport bikes 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 500 Grand Prix weight & related specs
| Model years covered | 1947, 1948, 1949, 1950 |
|---|---|
| Dry weight | 313.1 lb (142 kg) |
| Engine displacement | 498 cc |
| Power | 40 hp |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 12.78 hp / 100 lb |
|---|---|
| Pounds per horsepower | 7.83 lb / hp |
| Displacement per pound | 1.59 cc / lb |
| Weight per 100 cc | 62.9 lb / 100 cc |
What the weight numbers tell you
Triumph 500 Grand Prix weight FAQ
How much does the Triumph 500 Grand Prix weigh?
The source data gives 313.1 lb (142 kg) as dry weight. A fueled, road-ready bike will weigh more than this figure.
How does the Triumph 500 Grand Prix weight compare with similar Triumphs?
Relatively light. On a model-level comparison, it is lighter than about 92.1% of 19 Triumph sport bikes with the same weight basis.
Are all Triumph 500 Grand Prix model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 1947-1950 years covered here.
What does the Triumph 500 Grand Prix weigh with a 180 lb rider?
The approximate combined total is 493.1 lb (223.6 kg) with a 180 lb rider, based on the representative dry weight used on this page.
Is the Triumph 500 Grand Prix strong for its weight?
The calculated range is 12.78 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 25th percentile within the compatible Triumph sport power-to-weight comparison.
How much heavier will the Triumph 500 Grand Prix be than its dry weight?
No. Dry weight excludes at least some operating fluids, so the actual ready-to-ride motorcycle will weigh more.
How many cc does the Triumph 500 Grand Prix have per pound?
The model has about 1.59 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Triumph 500 Grand Prix compare with the median Triumph sport bike weight?
The representative dry weight is about 79.4 lb (36 kg) lighter than the median Triumph sport bike weight of 392.4 lb (178 kg) in this dataset.
Is the Triumph 500 Grand Prix easy to move around by hand?
The number is manageable for a road bike, but you still notice it when parking, making tight low-speed turns or catching a lean. On the move, chassis balance can make it feel lighter than the scale suggests.
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.