Triumph Speed 400: Complete Engine, Performance & Features

The Triumph Speed 400 has quickly become one of the most talked-about 400cc motorcycles in India. With its powerful 398.15 cc engine, premium build quality, and impressive road performance, it offers a perfect mix of classic styling and modern engineering. If you’re planning to buy a stylish yet performance-focused bike, this detailed review will help you decide.

Overview of Triumph Speed 400

The Triumph Speed 400 is designed for riders who want premium quality without jumping into higher engine segments. It combines British design heritage with modern technology and everyday practicality.

Whether you ride in the city or enjoy weekend highway trips, this motorcycle promises balanced performance and strong road presence.

Engine Capacity & Performance Details

At the heart of the Triumph Speed 400 lies a 398.15 cc single-cylinder, liquid-cooled engine. This engine is tuned for both smooth city riding and exciting highway cruising.

Key Engine Specifications

  • Displacement: 398.15 cc

  • Max Power: 39.5 bhp @ 8000 rpm

  • Max Torque: 37.5 Nm @ 6500 rpm

  • Transmission: 6-Speed Manual

  • Mileage: 29 kmpl (approximate)

This power figure makes the Speed 400 one of the strongest performers in its category. The torque delivery at 6500 rpm ensures quick acceleration and effortless overtaking on highways.

Power & Torque Delivery

The 39.5 bhp output at 8000 rpm provides strong top-end performance. Unlike many entry-level 400cc motorcycles, the Speed 400 does not feel stressed at higher speeds.

The 37.5 Nm torque at 6500 rpm ensures:

  • Smooth mid-range performance

  • Quick throttle response

  • Better city rideability

  • Comfortable cruising speeds

The engine refinement is impressive, with minimal vibrations even at higher RPMs.

Transmission & Gearbox Performance

The 6-speed manual transmission ensures better gear ratio distribution. Riders can expect:

  • Smooth gear shifts

  • Light clutch action

  • Balanced performance in all gears

  • Efficient highway cruising

The sixth gear makes long-distance riding more relaxed and fuel-efficient.

Mileage & Fuel Efficiency

The claimed mileage of approximately 29 kmpl is decent for a 400cc performance motorcycle.

In real-world conditions, mileage may vary depending on:

  • Riding style

  • Traffic conditions

  • Road quality

  • Maintenance habits

For a bike producing nearly 40 bhp, this fuel efficiency is practical and competitive.

Weight, Handling & Ride Comfort

Kerb Weight: 179 kg

At 179 kg, the Triumph Speed 400 feels solid yet manageable. It offers:

  • Stable highway performance

  • Confident cornering

  • Balanced city maneuverability

Seat Height: 803 mm

With an 803 mm seat height, the motorcycle is comfortable for most Indian riders. Even shorter riders can manage it confidently due to its well-balanced design.

Fuel Tank Capacity & Touring Capability

The 13-litre fuel tank supports long-distance rides without frequent refueling stops.

With a 29 kmpl mileage, the estimated riding range can go above 350 km on a full tank, depending on riding style.

This makes the Speed 400 suitable for:

  • Weekend touring

  • Daily commuting

  • Highway cruising

  • Long road trips

Design & Road Presence

The Triumph Speed 400 carries a premium retro-modern look. It features:

  • Classic round LED headlamp

  • Muscular fuel tank

  • Minimalistic body panels

  • Premium paint finish

  • Signature Triumph branding

The design gives it a strong road presence, often seen in higher-segment motorcycles.

Key Specifications Table

Below is a quick comparison-style overview of important specifications:

FeatureTriumph Speed 400
Engine Capacity398.15 cc
Max Power39.5 bhp @ 8000 rpm
Max Torque37.5 Nm @ 6500 rpm
Transmission6-Speed Manual
Mileage29 kmpl
Kerb Weight179 kg
Fuel Tank Capacity13 litres
Seat Height803 mm

Why the Triumph Speed 400 Stands Out

The 400cc segment in India is highly competitive, but the Speed 400 stands apart because of:

1. Strong Power-to-Weight Ratio

With 39.5 bhp and 179 kg weight, the bike feels quick and responsive.

2. Premium Brand Value

Triumph is known for quality engineering and global recognition.

3. Comfortable Ergonomics

Upright riding posture reduces fatigue during long rides.

4. Balanced Suspension Setup

Ideal for both city roads and highway touring.

City Riding Experience

In urban traffic conditions, the Speed 400 performs smoothly. The torque delivery helps in:

  • Quick overtakes

  • Easy traffic filtering

  • Comfortable stop-and-go riding

The manageable weight and upright handlebar position make daily commuting enjoyable.

Highway Performance

On highways, the Triumph Speed 400 truly shines.

The 6-speed gearbox ensures relaxed cruising at higher speeds. The engine remains stable and refined even at 100–120 km/h.

Riders can expect:

  • Strong mid-range acceleration

  • Smooth high-speed stability

  • Minimal vibration

  • Confident braking performance

Maintenance & Ownership Experience

Owning a Triumph motorcycle often brings premium service experience. However, maintenance cost may be slightly higher than typical commuter bikes.

Regular servicing ensures:

  • Better mileage

  • Smooth engine life

  • Consistent performance

  • Long-term reliability

Always follow manufacturer-recommended service intervals.

Who Should Buy the Triumph Speed 400?

This motorcycle is ideal for:

  • Young professionals

  • First-time premium bike buyers

  • Touring enthusiasts

  • Riders upgrading from 150–250cc bikes

If you want a blend of style, performance, and practicality, the Speed 400 is a strong option.

Pros & Cons

Pros

  • Powerful 398.15 cc engine

  • Strong torque delivery

  • Premium build quality

  • Comfortable seat height

  • Good highway stability

Cons

  • Mileage may vary in heavy traffic

  • Slightly premium maintenance cost

  • Not the lightest in the segment

Final Verdict

The Triumph Speed 400 offers an excellent combination of power, performance, and premium styling in the 400cc segment. With 39.5 bhp power output, 37.5 Nm torque, and a smooth 6-speed transmission, it delivers thrilling yet practical riding experience.

Whether for city commuting or long highway tours, this motorcycle stands out as a value-packed premium option.

Disclaimer

The specifications, mileage figures, and performance details mentioned in this article are based on available manufacturer data and general riding conditions. Actual mileage and performance may vary depending on riding style, road conditions, maintenance, and environmental factors. Please visit an authorized Triumph dealership for the most accurate and updated information before making a purchase decision.