When it comes to choosing a motorcycle, enthusiasts often find themselves comparing various models to find the perfect match. In this article, we provide an in-depth comparison of three popular bikes: the Triumph Speed 400, Harley Davidson X440, and Royal Enfield Guerrilla 450. This comprehensive analysis covers everything from engine specifications to dimensions, helping you make an informed decision.
Engine Specifications
The engine is the heart of any motorcycle, and each of these bikes brings its unique offering to the table.
Triumph Speed 400
- Type: Liquid-cooled, 4 valve, DOHC, single-cylinder
- Displacement: 398.15 cc
- Bore x Stroke: 89.0 mm x 64.0 mm
- Compression Ratio: 12:1
- Maximum Power: 40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm
- Maximum Torque: 37.5 Nm @ 6,500 rpm
Harley Davidson X440
- Type: 440cc Single Cylinder Air-Oil Cooled Engine
- Displacement: 440 cc
- Bore x Stroke: 79.6 mm x 88.4 mm
- Compression Ratio: 9.5:1
- Maximum Power: 27 bhp / 20.1 kW
- Maximum Torque: 38 Nm @ 4,000 rpm
Royal Enfield Guerrilla 450
- Type: Liquid-cooled, single cylinder, DOHC, 4 valves
- Displacement: 452 cc
- Bore x Stroke: 84 mm x 81.5 mm
- Compression Ratio: 11.5:1
- Maximum Power: 40.02 PS (29.44 kW) @ 8000 rpm
- Maximum Torque: 40 Nm @ 5500 rpm
- Idle RPM: 1300
- Starting System: Electric start
- Lubrication: Semi-dry sump
- Engine Oil Grade: 10W40 API SN, JASO MA2, semi synthetic
- Clutch: Wet multiplate, slip & assist
- Gearbox: 6 speed
- Fuel Injection: Electronic fuel injection, 42mm throttle body, ride by wire system
Chassis and Suspension
A robust chassis and reliable suspension system are crucial for handling and comfort.
Triumph Speed 400
- Frame: Hybrid spine/perimeter, tubular steel, bolt-on rear subframe
- 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
Harley Davidson X440
- Front Fork: KYB USD 43mm Dual Cartridge Forks
- Rear Shocks: Gas filled Twin Shocks, 7-step preload adjustable
Royal Enfield Guerrilla 450
- Type: Steel, tubular frame using engine as stressed member
- Front Suspension: Telescopic forks, 43 mm, 140 mm wheel travel
- Rear Suspension: Linkage type mono-shock, 150 mm wheel travel
Dimensions and Weights
Triumph Speed 400
- Wheelbase: 1377 mm
- Width: 814 mm
- Height (without mirrors): 1084 mm
- Seat Height: 790 mm
- Kerb Weight: 176 kg
- Fuel Capacity: 13 L
Harley Davidson X440
- Wheelbase: 1,418 mm
- Ground Clearance: 170 mm
- Length: 2,168 mm
- Seat Height: 805 mm
- Kerb Weight: 194.5 kg
- Fuel Capacity: 13.5 L
Royal Enfield Guerrilla 450
- Wheelbase: 1440 mm
- Ground Clearance: 169 mm
- Length: 2090 mm
- Width: 833 mm
- Height (without mirrors): 1125 mm
- Seat Height: 780 mm
- Dry Weight: 174 kg
- Kerb Weight: 185 kg
- Payload w/ Standard Equipment: 191 kg
- Fuel Capacity: 11 L
Brakes and Tyres
Triumph Speed 400
- Front Tyre: 110/70 R17
- Rear Tyre: 150/60 R17
- Brakes Front: 300mm fixed disc, four-piston radial caliper, ABS
- Brakes Rear: 230mm fixed disc, floating caliper, ABS
Harley Davidson X440
- Tyres Front: 100/90 – 18 56 H TL
- Tyres Rear: 140/70 – 17 66 H TL
- Brakes Front: Disc 320mm
- Brakes Rear: Disc, 240mm
- ABS: Dual Channel ABS
Royal Enfield Guerrilla 450
- Tyres Front: 120/70 R17
- Tyres Rear: 160/60 R17
- Brakes Front: Hydraulic disc brake, 310mm ventilated disc, double piston caliper
- Brakes Rear: Hydraulic disc brake, 270mm ventilated disc, single piston caliper
- ABS: Dual Channel ABS
Electricals and Infotainment
Triumph Speed 400
- Instrument Display: Analogue speedometer with integrated multi-function LCD screen
Harley Davidson X440
- Electrical System: 12V
- Battery: 12V, 8 Ah
- Head Lamp: All LED Headlamp with Multi-Projectors and Signature DRL
- Tail Lamp/Turn Signal Lamp: LED Winkers and LED Tail Lamp, Auto Headlamp Illumination
- Infotainment System: Music control via Bluetooth connectivity
- Screen Size: 3.5″
- Type: TFT Display
- Cluster (Top Variant): 3.5 inch TFT Display, Round Gauge, RTMI, RANGE Display, Gear Indicator, Speedometer, L/R turn Indication, High Beam Indicator, ABS Alert, Side Stand Alert, Service Indication, Low Fuel Indication, Neutral Position Indicator, Check Engine Light Indication, Smart Phone Feature which includes Turn By Turn Navigation, Music Control, Accept and Reject Calls, Phone Battery Status, Missed call Alert, Message Alert and Network Strength
Royal Enfield Guerrilla 450
- Electrical System: 12V
- Battery: 12V, 8 Ah
- Head Lamp: LED headlamp
- Tail Lamp/Turn Signal Lamp: Integrated turn & tail lamp, all LED
- Other Equipment: Ride modes, USB Type C charging point
- Cluster: 4 inch round TFT display with phone connectivity, full map navigation (powered by Google Maps), media controls
- Cluster (Base Model): Digi-analog instrument cluster (Tripper pod optional)
Royal Enfield Guerrilla 450, Triumph Speed 400,and Harley Davidson X440 Technical Specifications
| Category | Triumph Speed 400 | Harley Davidson X440 | Royal Enfield Guerrilla 450 |
|---|---|---|---|
| ENGINE | |||
| Type | Liquid-cooled, 4 valve, DOHC, single-cylinder | 440cc Single Cylinder Air-Oil Cooled Engine | Liquid-cooled, single cylinder, DOHC, 4 valves |
| Bore x Stroke (in mm) | Bore: 89.0 mm, Stroke: 64.0 mm | Bore: 79.6 mm, Stroke: 88.4 mm | 84 mm x 81.5 mm |
| Displacement | 398.15 cc | 440 cc | 452 cc |
| Compression Ratio | 12:1 | 9.5:1 | 11.5:1 |
| Maximum Power | 40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm | 27 bhp / 20.1 kW | 40.02 PS (29.44 kW) @ 8000 rpm |
| Maximum Torque | 37.5 Nm @ 6,500 rpm | 38 Nm @ 4,000 rpm | 40 Nm @ 5500 rpm |
| Idle RPM | – | – | 1300 |
| Starting System | – | – | Electric start |
| Lubrication | – | – | Semi-dry sump |
| Engine Oil Grade | – | – | 10W40 API SN, JASO MA2, semi synthetic |
| Clutch | Wet, multi-plate, slip | – | Wet multiplate, slip & assist |
| Gearbox | 6 speed | – | 6 speed |
| Fuel Injection | Bosch electronic fuel injection with electronic throttle control | – | Electronic fuel injection, 42mm throttle body, ride by wire system |
| CHASSIS & SUSPENSION | |||
| Frame | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe | – | Steel, tubular frame using engine as stressed member |
| Swingarm | Twin-sided, cast aluminium alloy | – | – |
| Front Suspension | 43mm upside down Big Piston forks, 140mm wheel travel | Front Fork: KYB USD 43mm Dual Cartridge Forks | Telescopic forks, 43 mm |
| Rear Suspension | Gas monoshock RSU with external reservoir and pre-load adjustment, 130mm wheel travel | Gas filled Twin Shocks, 7-step preload adjustable | Linkage type mono-shock |
| Front Wheel | Cast aluminium alloy 10 spoke, 17 x 3 in | Spoke and Cast Wheels | – |
| Rear Wheel | Cast aluminium alloy 10 spoke, 17 x 4 in | Spoke and Cast Wheels | – |
| Front Wheel Travel | – | – | 140 mm |
| Rear Wheel Travel | – | – | 150 mm |
| DIMENSIONS & WEIGHTS | |||
| Wheelbase | 1377 mm | 1,418 mm | 1440 mm |
| Ground Clearance | – | 170 mm | 169 mm |
| Length | – | 2,168 mm | 2090 mm |
| Width | 814 mm | – | 833 mm |
| Height | 1084 mm (without mirrors) | – | 1125 mm (without mirrors) |
| Seat Height | 790 mm | 805 mm | 780 mm |
| Dry Weight | – | – | 174 kg |
| Kerb Weight | 176 kg | 194.5 kg | 185 kg |
| Payload w/ Standard Equipment | – | – | 191 kg |
| Fuel Capacity | 13 L | 13.5 L | 11 L |
| BRAKES & TYRES | |||
| Front Tyre | 110/70 R17 | 100/90 – 18 56 H TL | 120/70 R17 |
| Rear Tyre | 150/60 R17 | 140/70 – 17 66 H TL | 160/60 R17 |
| Brakes Front | 300mm fixed disc, four-piston radial caliper, ABS | Front: Disc 320mm | Hydraulic disc brake, 310mm ventilated disc, double piston caliper |
| Brakes Rear | 230mm fixed disc, floating caliper, ABS | Rear: Disc, 240mm | Hydraulic disc brake, 270mm ventilated disc, single piston caliper |
| ABS | – | Dual Channel ABS | Dual channel ABS |
| ELECTRICALS | |||
| Electrical System | – | 12V | 12V |
| Battery | – | 12 V, 8 Ah | 12V, 8 Ah |
| Head Lamp | – | All LED Headlamp with Multi-Projectors and Signature DRL | LED headlamp |
| Tail Lamp/Turn Signal Lamp | – | LED Winkers and LED Tail Lamp, Auto Headlamp Illumination | Integrated turn & tail lamp, all LED |
| Other Equipment | – | – | Ride modes, USB Type C charging point |
| INFOTAINMENT & CLUSTER | |||
| Infotainment System | – | Music control via Bluetooth connectivity | – |
| Screen Size | – | 3.5″ | – |
| Type | – | TFT Display | 4 inch round TFT display with phone connectivity, full map navigation (powered by Google Maps), media controls |
| Languages | – | English (default) | – |
| Hands-Free Mobile Phone | – | Standard | – |
| USB | – | 2A Quick Charge 3.0 Standard | – |
| Phone Connectivity | – | Phone/Media supported | – |
| Bluetooth | – | Available in Top variant only | – |
| Cluster (Base Model) | Analogue speedometer with integrated multi-function LCD screen | – | Digi-analog instrument cluster (Tripper pod optional) |
| Cluster (Top Variant) | – | 3.5 inch TFT Display, Round Gauge, RTMI, RANGE Display, Gear Indicator, Speedometer, L/R turn Indication, High Beam Indicator, ABS Alert, Side Stand Alert, Service Indication, Low Fuel Indication, Neutral Position Indicator, Check Engine Light Indication, Smart Phone Feature which includes Turn By Turn Navigation, Music Control, Accept and Reject Calls, Phone Battery Status, Missed call Alert, Message Alert and Network Strength | – |
Conclusion
Each of these motorcycles brings its own strengths to the table. The Triumph Speed 400 impresses with its advanced engine and robust chassis. The Harley Davidson X440 offers a classic design with modern infotainment features. The Royal Enfield Guerrilla 450 stands out with its high torque and comprehensive electronics package.
By comparing these specifications, riders can choose the motorcycle that best fits their needs and preferences. Whether you’re looking for performance, comfort, or modern features, there’s a bike here for you.
Also Read- Your Ultimate Superbike Buying Guide
Your Ultimate Superbike Buying Guide: How to Choose and Ride in Style