Royal Enfield Guerrilla 450 launched in July 2024 and the Triumph Speed 400 launched on July 5, 2023. Both the Rivals bikes can be compared as follows in many aspects.
Guerrilla 450 vs Speed 400: Variants
Royal Enfield launched the Guerrilla 450 in 3 variants- Analogue, Dash and Flash and the Triumph Speed 400 is available in only one variant.
Guerrilla 450 vs Speed 400: Mileage
According to ARAI (Automotive Research Association of India), you will get 29.5 kmpl mileage with the Guerrilla 450 and the Speed 400 will give you approximately the same mileage of 29.8 kmpl.

Guerrilla 450 vs Speed 400: Colors
Guerrilla 450 is launched in 5 colour options- Brava Blue, Gold Dip, Yellow Ribbon, Playa Black and Silver Smoke. The Speed 400 is available in 3 dual tone options- Phantom Black/Storm Grey, Caption Blue/Storm Grey and Carnival Red/Phantom Black.
Guerrilla 450 vs Speed 400: Price
The variants and their respect prices of both the bikes are:
Guerrilla 450
Guerrilla 450 Variant | Ex-showroom Price |
---|---|
Analogue | Rs. 2.39 lakh |
Dash | Rs. 2.49 lakh |
Flash | Rs. 2.54 lakh |
Speed 400:
Speed 400 Variant | Ex-showroom price |
---|---|
Standard | Rs 2.24 lakh |
Guerrilla 450 vs Speed 400: Features
Both rivals come with LED lighting, a USB charging port and a suspension preload adjuster (only at the rear). Also, both have a digital odometer, tripmeter (2), service reminder indicator, DRLs (daytime running lights) and AHP (automatic headlight on).
Features | Guerrilla 450 | Speed 400 |
---|---|---|
Fuel Gauge | Yes | Yes |
Avg. Speed Indicator | Yes | Yes |
Mobile App Connectivity | Yes | No |
Low Fuel Indicator | Yes | Yes |
Clock | Yes | Yes |
Shift Light | No | Yes |
GPS & Navigation | Yes | No |
Traction Control | No | Yes |
Call/SMS alert | Yes | No |
Guerrilla 450’s base variant has a semidigital and the upper two variants have a Digital instrument console while Speed 400 has a semi-digital instrument console. The speedometer of the Guerrilla 450 is a digital type and the Speed 400 has an analogue type speedometer.

Not available: Geo fencing, touch screen display, OTA updates and cruise control are not available in both computer bikes.
Guerrilla 450 vs Speed 400: Specifications
Guerrilla 450 has a 452 cc, single cylinder, liquid cooled petrol engine and Speed 400 has a 398 cc single cylinder liquid cooled engine.
Bike | Power | Torque |
---|---|---|
Guerrilla 450 | 39.47 BHP @ 8000 rpm | 40 Nm @ 5500 rpm |
Speed 400 | 39.5 BHP @ 8000 RPM | 37.5 mm @ 6500 RPM |
Both bikes have 6-speed manual transmissions and follow the BS 6 Phase 2 norms. Guerrilla 450 has an 11-litre fuel tank capacity and Speed 400 has a 13-litre fuel capacity.
Guerrilla 450 | Speed 400 | |
---|---|---|
Seat Height | 780 mm | 790 mm |
Weight | 185 kg | 176 kg |
Overall Height | 1125 mm | 1084 mm |
Wheelbase | 1440 mm | 1377 mm |
Width | 833 mm | 814 mm |
Guerrilla 450 has a Telescopic Fork suspension at the front and monoshock absorber suspension at the rear. Triumph’s Speed 400 has an advanced 43 mm upside down big Piston fork at the front and a Gas monoblock RSU with external Reservoir at the rear.
Both companies provided disc brakes at the front and the rear to their respective models. Also, both bikes have the same R17 alloy wheels at the front and the rear accompanied by tubeless tyres. Royal Enfield offered 4 free services with its bike but Triumph did not offer any free service with Speed 400.
Read also: Hunter 350 vs Meteor 350: detail comparison between Royal Enfield’s powerful bikes.