The Triumph Speed Four motorcycle specifications include a 599 cc (36.55 cu in) engine, power of 98 hp (71.5 kW) @ 11,750 rpm, a 6-speed gearbox, and a listed weight of 170 kg (374.8 lb).
Key specifications
The 2003 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Triumph Speed Four compares
This compares the motorcycle with all Triumph models in this specifications database. The blue marker is this model and the grey line is the Triumph database average.
About 12% higher than the Triumph database average. Around the 67th percentile across Triumph models.
About 37% lower than the Triumph database average. Around the 14th percentile across Triumph models.
Very close to the Triumph database average. Around the 66th percentile across Triumph models.
Very close to the Triumph database average. Around the 56th percentile across Triumph models.
Triumph database percentile rankings
Percentiles show where this motorcycle sits across the Triumph specifications database. They are descriptive database rankings, not performance ratings.
98 hp — more powerful than about 67% of Triumph models with power data.
599 cc — larger displacement than about 14% of Triumph models.
810 mm — taller than about 66% of Triumph models.
18 L — larger than about 56% of Triumph fuel tanks in this database.
Dimensions compared with Triumph average
Each measurement is compared with the average value across Triumph models where that dimension is available.
2,060
2,218
7% below average.
690
821
16% below average.
1,150
1,199
4% below average.
1,395
1,491
6% below average.
810
789
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 120/70-ZR17 |
|---|---|
| Rear tire size | 180/55-ZR17 |
| Power-to-weight ratio | 0.576 hp/kg |
| Power-to-weight | 576.5 hp/tonne |
| Specific power | 163.6 hp/L |
| Bore/stroke ratio | 1.65:1 (Oversquare) |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 599 cc (36.55 cu in) |
| Power | 98 hp (71.5 kW) @ 11,750 rpm |
| Torque | 68.0 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 10,500 rpm |
| Bore × stroke | 68.0 x 41.3 mm (2.7 x 1.6 inches) |
| Compression ratio | 12.5:1 |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Double disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 120/70-ZR17 |
| Rear tire | 180/55-ZR17 |
Dimensions and weight
| Dry weight | 170 kg (374.8 lb) |
|---|---|
| Seat height | 810 mm (31.9 inches) |
| Overall length | 2,060 mm (81.1 inches) |
| Overall width | 690 mm (27.2 inches) |
| Overall height | 1,150 mm (45.3 inches) |
| Wheelbase | 1,395 mm (54.9 inches) |
Fuel and emissions
| Fuel capacity | 18.00 L (4.76 US gal) |
|---|
Performance
| Power/weight ratio | 0.5765 hp/kg |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Triumph models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Triumph information before relying on them. Visit the official Triumph website.