The recently launched Royal Enfield Guerrilla 450 in India rivals the Triumph Speed 400, Harley-Davidson X440, and Hero Mavrick 440. These models are the first competitors in the popular group's 400-500 cc retro-style roadster class. Let’s examine their specifications to assess their comparative power and value propositions: Engine Now, let's examine the engine specifications of each of these roadsters: BikesEngine CCMax PowerPeak TorqueGear BoxRoyal Enfield Guerrilla 450452 cc40 bhp @ 8000 rpm40 Nm @ 5500 rpm6-SpeedTriumph Speed 400398.15CC40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm37.5 Nm @ 6,500 rpm6-SpeedHarley-Davidson X440440 CC27 bhp @ 6,000 rpm38 Nm @ 4,000 rpm6-SpeedHero Mavrick 440440 CC20.13 kW/27 bhp @ 6000 rpm36 Nm @ 4000 rpm6-SpeedOf these four roadsters, the Royal Enfield Guerrilla 450 has the most effective engine. Nevertheless, its power is on par with the Triumph Speed. On the other hand, both the Harley-Davidson X440 and the Hero Mavrick have simple engine designs that produce less power and torque figures comparable to the other two roadsters. Chassis & Underpinnings All of the roadsters included in this comparison feature a tubular steel chassis, with the exception of the Mavrick, which uses a trellis frame.BikesChassisFront SuspensionRear SuspensionFront Tyre SizeRear Tyre SizeFront BrakeRear BrakeRoyal Enfield Guerrilla 450Tubular steelTelescopic Forks,43mmLinkage Type Monoshock120/70 R17160/60 R17Hydraulic Disc Brake Hydraulic Disc BrakeTriumph Speed 400Tubular steel perimeter43mm upside down Big Piston forks. 140mm wheel travelGas monoshock RSU with external reservoir and pre-load adjustment. 130mm wheel travel 110/70 R17150/60 R17fixed disc, four-piston radial calliper, ABSfixed disc, floating caliper, ABSHarley-Davidson X440Tubular steel perimeterKYB Upside-down Forks 43mmTwinshock Absorbers, 7-Step Preload adjustable100/90 - 18140/70 - 17DiscDiscHero Mavrick 440Trellis frameTelescopic Front Fork7-step adjustable twin shock110/70-17150/60-17DiscDiscBoth the Guerrilla and Mavrick have traditional forks, and the Guerrilla 450 boasts longer front wheel travel than the Mavrick but is similar to the Triumph Speed. Both the Speed 400 and X440 have upside-down forks, all adding to their premium feel. Roadsters come with rear suspension preload adjustment, although the X440 and Mavrick use a two-stroke setup. All of the bikes have 17-inch wheels, with the exception of the X440, which has an 18-inch front wheel. The Guerrilla boasts the four bikes' widest tyres, which could make it stiffer, although a real-world comparison would provide some insight.When comparing braking systems, both the X440 and Mavrick have large front discs of 320mm, which are more practical than the others. Meanwhile, which is bigger than the other two. All these bikes have dual-channel ABS. Dimensions Here is a comparison of the dimensions of the Royal Enfield Guerrilla 450 with its rivals in this lineup: BikesWheelbaseSeat HeightGround ClearanceFuel Tank CapacityRoyal Enfield Guerrilla 4501440 mm780 mm169 mm11-LitersTriumph Speed 4001377 mm790 mm-13-LitersHarley-Davidson X4401418 mm805 mm170 mm13-LitersHero Mavrick 440--175 mm13-Liters The Guerrilla 450 has the longest wheelbase on this bike, giving it a strong, straight stretch. Combined with the wider wheelbase, this feature helps the rider feel more grounded. Plus, it offers a much lower seat height, making it more accessible for shorter riders. Although Triumph did not specify how low the Speed 400 could be, the Hero Mavrick leads the way with 440 ground clearance. Moreover, this allows it to handle bumps better compared to other models. The X440, Speed 400 and Mavrick have the largest fuel tanks in the group. With a claimed range of 35 km, the X440 is expected to offer the longest range. While Hero has yet to reveal the Mavrick's claimed mileage, it is probably comparable or close to the X440. Features In this comparison, the new Royal Enfield Guerrilla 450 stands out as the most featured bike. Its mid-top variant features a 5-inch round TFT display along with smartphone connectivity, call and music control and integrated Google Maps. Both the X440 and Mavrick have sequential navigation, while the Speed 400 doesn't have full navigation as an option. However, the Speed 400 is the only bike with adjustable traction control. In contrast, the Guerrilla 450 offers two ride modes: Power and Eco. All the bikes in this comparison come equipped with full LED lighting. PriceHere’s how these roadsters are priced: Price RangeRoyal Enfield Guerrilla 450Triumph Speed 400Harley-Davidson X440Hero Mavrick 440₹ 2.39 - 2.54 Lakh₹ 2.33 Lakh₹ 2.40 - 2.79 Lakh₹ 1.99 - 2.24 LakhThe Hero Mavrick 440 is the lightest roadster in the group, while the Royal Enfield Guerrilla is much cheaper than the Harley-Davidson X440. However, Triumph is now offering Rs 10,000 on the Speed 400 until July 31, 2024, and beyond to match the Mavrick. VerdictOn paper, the Royal Enfield Guerrilla 450's price range makes it the best value offering. This is due to its performance and features compared to the other three bikes, the Harley-Davidson X440 and Hero Mavrick 440, which take the more delicate opposite approach. The Triumph Speed 400, like its larger modern roadster counterparts, serves as the entry point for the British brand, the role of the X440 for the American brand. 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