Royal Enfield Guerrilla 450 Top Speed, Specs & Review
TL;DR
- Royal Enfield has not published an official top speed. The best-supported report is just past 100 mph on the speedometer.
- The 452cc single makes 39.5 hp at 8,000 rpm and 29.5 lb-ft of torque at 5,500 rpm.
- Estimated 0-60 mph time is about 6.2 seconds, derived from a damp-pavement GPS test in km/h.
- Curb weight is 405 lb and seat height is 30.7 inches, so the bike suits shorter riders.
- Base US MSRP for the 2026 model is $5,299, before destination and dealer fees.
The Royal Enfield Guerrilla 450 is a roadster built around the Himalayan 450’s liquid-cooled single. It is a friendly mid-power bike made for fun at legal speeds. This review covers what is verified about top speed, the full spec sheet, and the strengths and flaws you’ll notice on the road.
Royal Enfield Guerrilla 450 Specs at a Glance
| Spec | Figure |
|---|---|
| Engine | 452cc liquid-cooled single, DOHC, 4 valves |
| Bore x stroke | 84.0 x 81.5 mm |
| Compression ratio | 11.5:1 |
| Fuel delivery | EFI, 42 mm throttle body, ride-by-wire |
| Power | 39.5 hp at 8,000 rpm |
| Torque | 29.5 lb-ft at 5,500 rpm |
| Transmission | 6-speed, wet multiplate slip-and-assist clutch |
| Front suspension | 43 mm fork, 5.5 in travel, preload adjustable |
| Rear suspension | Linkage monoshock, 5.9 in travel, preload adjustable |
| Front brake | 310 mm disc, two-piston caliper |
| Rear brake | 270 mm disc, single-piston caliper |
| ABS | Dual-channel, not switchable |
| Tires | 120/70-17 front, 160/60-17 rear |
| Wheelbase | 56.7 in |
| Ground clearance | 6.7 in |
| Seat height | 30.7 in |
| Dry weight | 381 lb |
| Curb weight (90% fuel and oil) | 405 lb |
| Fuel capacity | 2.9 gal |
Source: Royal Enfield figures as published in US dealer listings and Motorcycle.com’s spec table. Torque is listed at 5,500 rpm, matching the 40 Nm at 5,500 rpm quoted by other outlets.
How Fast Does the Guerrilla 450 Go?
Royal Enfield has not published an official top speed, and no instrumented GPS test turned up in our research. The most credible on-road report says the bike will reach a speedometer reading just past 100 mph (Bennetts BikeSocial, 2024). Treat that as an indicated figure, not a measured one.
Speedometers read high. Quoting an indicated number as top speed is like weighing yourself with your boots on.
Autocar India expects roughly 160 to 170 km/h, which is 99 to 106 mph, but describes that as an expectation because the factory gave no figure. Plenty of aggregator sites list numbers anywhere from 135 to 180 km/h with no testing behind them. We left those out.
Bottom line: plan on a bike that holds 70 to 80 mph all day and touches 100 mph indicated with room to spare on a long straight. This page will be updated when an independent GPS test is published.
How Quick Is the Guerrilla 450 From 0 to 60 mph?
Autocar India’s GPS-timed test recorded 0-100 km/h in 6.59 seconds and 0-60 km/h in 2.96 seconds, on damp tarmac. Interpolating between their 90 km/h reading (5.48 seconds) and 100 km/h reading (6.59 seconds) puts 0-60 mph at roughly 6.2 seconds. That last figure is our calculation, not a measured time.
Dry pavement might shave a little off. The bike has no traction control, so a hard launch on cold, unscuffed tires needs a light hand.
The roll-on numbers are the more useful ones for daily riding. A 30-70 km/h pull in third gear took 3.55 seconds, and a 60-0 km/h stop took 14.98 meters. That is brisk for a 452cc single and enough to pass traffic without a downshift marathon.
How Does the Engine Make Power?
The engine makes 39.5 hp at 8,000 rpm and 29.5 lb-ft at 5,500 rpm, which is the same single-cylinder unit used in the Himalayan 450. Torque arrives low in the rev range, so the bike pulls cleanly out of corners and stoplights without constant gear changes.
The 11.5:1 compression ratio and 42 mm ride-by-wire throttle body give smooth fueling at small throttle openings. That matters in stop-and-go traffic, where a snatchy single gets old fast.
Two ride modes, Eco and Performance, change throttle response. There is no cruise control and no quickshifter. The slip-and-assist clutch keeps the lever pull light.
What’s It Like at Highway Speed?
The Guerrilla 450 cruises at 80 mph comfortably, with a few thousand rpm left in reserve, according to the same BikeSocial test. The catch is vibration. It builds as revs climb, and it is the most common complaint about the bike.
Motorcycle.com reported buzz through the footpegs after about 4,500 rpm (Motorcycle.com, 2024). On a long interstate stretch, that can leave your feet tingling by the second hour.
There is no wind protection from the roadster layout, so speeds above 75 mph put real load on your arms and neck. Think of it as a city and backroad bike that can handle a highway stint, not a touring mount.
The 2.9-gallon tank also limits range. Plan fuel stops earlier than you would on a larger bike.
Is the Guerrilla 450 Easy to Ride?
Yes. A 30.7-inch seat height and 405-lb curb weight put both feet close to flat on the ground for most riders. The weight sits low, and the bike feels light at walking pace and in parking lots.
Suspension is a conventional 43 mm fork with 5.5 inches of travel and a rear monoshock with 5.9 inches. Both adjust for preload only, but the setup is well balanced for road use. Brakes are a 310 mm front disc and a 270 mm rear disc with dual-channel ABS. The front lever is not span adjustable.
Rider aids are basic: conventional ABS that cannot be switched off, no lean-sensitive electronics and no traction control.
Honest Pros and Cons
Pros: approachable ergonomics, balanced suspension, low-rev torque, strong styling options and a price that undercuts many rivals in the 400cc class.
Cons: vibration above about 4,500 rpm, a small fuel tank, a bit of extra weight for the class and bare-bones electronics.
Who Should Buy It
Riders coming off a 250 or 300 who want more torque, commuters who spend their time under 70 mph, and shorter riders who want a roadster they can plant their feet with. If your daily ride includes long interstate stretches, test the vibration first.
How Much Does the Guerrilla 450 Cost in the US?
The 2026 Guerrilla 450 lists at a base MSRP of $5,299 at US dealers (MotoHunt, 2026). That figure excludes destination charges, taxes, setup and dealer fees.
Actual dealer listings vary. Some dealers advertise slightly above MSRP, and one Texas dealer listed a unit at $6,599. Ask for the out-the-door price before you commit, and compare quotes from two or three Royal Enfield dealers.
Frequently Asked Questions About the Guerrilla 450
What is the top speed of the Royal Enfield Guerrilla 450?
Royal Enfield has not published an official figure. Reviewers report just over 100 mph on the speedometer, which reads slightly high. No independent GPS test has been published yet.
How fast is the Guerrilla 450 from 0 to 60 mph?
About 6.2 seconds is our derived estimate. It comes from a GPS-timed 0-100 km/h run of 6.59 seconds on damp tarmac. A dry-road test may come in lower.
How much horsepower does the Guerrilla 450 make?
It makes 39.5 hp at 8,000 rpm and 29.5 lb-ft of torque at 5,500 rpm. Some outlets round the power to 40 hp.
What is the seat height of the Guerrilla 450?
The seat height is 30.7 inches. Royal Enfield’s accessory catalogue lists taller and touring seats if you want to change it.
Does the Guerrilla 450 have traction control?
No. It has dual-channel ABS and two ride modes, Eco and Performance. ABS cannot be turned off.
