| Feature | Value |
|---|---|
| Brand | TRIUMPH |
| Model | TRIUMPH Speed 400 |
| Engine size | 400 cc |
| Power | 39.5 hp |
| Torque | 37.5 Nm |
| Cylinder / Valve | Single Cylinder, 4 valves |
| Weight | 170 kg (375 lb) |
| Front Brake | 300mm fixed disc, four-piston radial Bybre caliper, ABS |
| Rear Brake | 230mm fixed disc, floating Bybre caliper, ABS |
| Seat Height | 79 cm (31.1 in) |
| Front Tyre | 110/70 R17 Metzeler |
| Rear Tyre | 150/60 R17 Metzeler |
| Cooling | Liquid Cooled |
| Front Suspension | 43mm upside down Big Piston forks. 140mm wheel travel |
| Rear Suspension | Gas monoshock RSU with external reservoir and pre-load adjustment. 130mm wheel travel |
| Motorcycle Type | Naked |
| Top Speed | 175 km/h (109 mph) |
| Fuel Capacity | 13 L (3.4 US gal) |
| Fuel Consumption | 4.0 L/100 km (58.8 mpg US) |
| Prevalence of Service Network | |
| Service Quality | |
| Spare Parts Availability | |
| Price | $4,995 |
| For Other Motorcycle Price Lists | Click for TRIUMPH Price List |
Spec-based reading of the Triumph Speed 400 as a Naked: focus on the numbers that match how you ride — power, weight, seat height, and fuel range — then verify with a dealer test ride.
Pros
- Liquid cooling for more consistent heat management
Who is it for?
Best suited for street riders who want agile handling.
Commuting / city use
As a naked motorcycle, it suits agile street and back-road riding more than long touring comfort.
Highway / longer rides
Wind protection on long highway days depends on screens and rider preference.
Good for beginners?
Mid-range specs: suitability as a first bike depends on experience, training, and a proper test ride.
Seat height & rider fit
Seat height is about 790 mm (31.1 in) — mid-range, but personal fit still matters.
Fuel economy & range
Listed fuel use is about 4 L/100 km (~58.8 mpg US). With a ~13 L tank, theoretical range is around 325 km (real-world range varies).
Two-up riding
Two-up comfort depends on seat length, passenger pegs, and load capacity — check fit with a passenger before long trips.
Frequently asked questions
What is the top speed of the Triumph Speed 400?
Our specification data lists 175 km/h (109 mph) for the Triumph Speed 400.
How much horsepower does the Triumph Speed 400 have?
Listed power is 40 hp.
How much torque does the Triumph Speed 400 have?
Listed torque is 37.5 Nm.
What is the engine size of the Triumph Speed 400?
Engine displacement is listed as 400 cc.
How much does the Triumph Speed 400 weigh?
Curb weight is listed at about 170 kg (375 lb).
What is the seat height of the Triumph Speed 400?
Seat height is about 790 mm (31.1 in).
What is the fuel economy of the Triumph Speed 400?
Listed consumption is about 4 L/100 km (about 58.8 mpg US).
What is the fuel range of the Triumph Speed 400?
Theoretical range is around 325 km based on tank size and listed consumption; real-world range varies with riding style.
Is the Triumph Speed 400 liquid cooled?
Yes — it is listed as liquid-cooled.
How many cylinders does the Triumph Speed 400 have?
It is listed as a 1-cylinder engine.
Is the Triumph Speed 400 good for beginners?
Mid-range specs: suitability as a first bike depends on experience, training, and a proper test ride.
Is the Triumph Speed 400 good for commuting?
The Triumph Speed 400 can work well for everyday commuting, especially for riders who value manageable street handling and an upright riding position.
Is the Triumph Speed 400 good for highway riding?
With a listed top speed of 175 km/h, the Triumph Speed 400 has enough performance for typical highway speeds and overtaking. Long-distance comfort still depends on riding position, wind protection and rider preference.
Is the Triumph Speed 400 suitable for short riders?
Seat height is about 790 mm (31.1 in) — mid-range, but personal fit still matters.
Is the Triumph Speed 400 A2 licence friendly?
A2 licence fit depends on power and power-to-weight limits (≤35 kW and ≤0.2 kW/kg). Based on listed figures, it appears within typical A2 limits — confirm with official manufacturer data.
What are the pros of the Triumph Speed 400?
Liquid cooling for more consistent heat management.


