BMW S 1000 RRThe BMW S 1000 RR is among the quickest BMW motorcycles that we could find. There's a lot to like with the S 1000 RR. It's quick, handles well, and manages to squeeze every possible horse out of its 999cc engine. Reviewers frequently note that the bike handles like a smaller class of bike, while the various electronic riding aids actually do help keep it upright and on the track. It's worth noting that many of those rider aids are only available on newer versions of the S 1000 RR, so if you want those, newer is better. For speed, the BMW S 1000 RR sits squarely in the 2.6 to 2.7 second territory for zero to 60 MPH times. Quarter-mile times range from the high 9.0-second bracket into the 10-second range depending on the rider and any performance modifications the owner may have added. The bike tops out at 188 MPH, making it slightly quicker than the Kawasaki ZX-10R on paper, although how well each motorcycle performs without limiters and with modifications is anyone's guess. There are YouTube videos of this bike going well north of 200 MPH.With such impressive times, it's tough to imagine that things get much better from here, but as you can see from the numbering on the list, this isn't the fastest bike we found. With that said, it's certainly among the quickest, and you can't go wrong with a Beamer motorcycle. Ducati PanigaleIt would be remiss not to place a Ducati on this list somewhere, and the Panigale is about as fast as it gets. Ducati built this thing for speed. Per Ducati, even the modern versions of the Panigale have race-bred features, as various things the company learned from its MotoGP racing team have filtered down into the consumer motorcycles. For example, the most recent version of the motorcycle comes with a 209-horsepower engine that is also two pounds lighter than the previous-generation engine in a design inspired by the brand's MotoGP motorcycles. As such, it keeps pace with its competitors. It roars to 60 MPH in about 2.6 seconds, and unlike most motorcycles we found in the 2.6-second segment, this one is backed up by multiple sources. It hits the quarter-mile mark in a little more time than the aforementioned Kawasaki ZX-14R, at around 10 seconds, but is slightly faster at the top end on paper at around 198 MPH. Since many of these numbers are rider- and limiter-dependent, we're okay with saying that it could go either way between the Ducati and Kawasaki superbikes. Ducati does have a little bit of an edge. With a couple of modifications and the proper oil, Ducati advertises that this motorcycle can get up to 240.5 horsepower. That would make it faster on paper than any of the motorcycles preceding it on this list, but it does require modification. Ducati is clearly okay with these upgrades, considering they're posted on the brand's official website. Kawasaki ZX-12RThe Kawasaki ZX-12R sits right between the 10R and 14R in Kawasaki's lineup. Well, sat would be the more accurate term. Kawasaki only made these monsters from the year 2000 until 2006. The bike maker wanted something to compete with the Suzuki Hayabusa and went through three generations of the ZX-12R in just six short years. The bike was eventually scrapped for other models, leaving collectors and fans alike with a limited supply of 12R models to choose from on the open market. Official numbers are difficult to find, but the bike managed to get up to 60 MPH in 2.59 seconds. That 0.01 seconds is important here, as it puts the bike ahead of all the 2.6-second motorcycles that exist, which is easily over a dozen. That makes it one of the fastest bikes on Earth when it comes to getting up to highway speeds. It's also quick in the quarter mile, measuring a hair under 10 seconds, making it one of the fastest bikes in that arena as well. The top speed is electronically limited to 186 MPH, but we're sure it could go faster without it. With all that said, the bike doesn't get a lot of the modern amenities that make newer motorcycles easier to ride. Reviewers noted that it's heavy in the corners, heavier overall, and has inferior stopping power compared to modern bikes. That's what 20 years of engineering gets you, but in a straight line, the ZX-12R is still something special. Kawasaki Z1000RThe Kawasaki Z1000R is the final Kawasaki motorcycle on the list today. This one has been in and out of Kawasaki's lineup for decades but appears to be here to stay for the time being. It's wedged into the lineup as one of the less expensive motorcycles. For comparison, a 2025 Z1000R costs $14,499, whereas the ZX-14R costs $17,599 and the ZX-10R runs around $17,799. But don't let the lower price tag fool you. These puppies still run 1,043cc engines and can zip you around with the best of them. Reviewers have managed to push this thing to 60 MPH in 2.5 seconds, putting it ahead of every other motorcycle listed so far. It holds up as you go further, with a quarter-mile time of just over 10 seconds. Despite its supremacy in short bursts, it doesn't get quite as fast as the other motorcycles on the list. It's electronically governed at 147 MPH for most model years, making it one of the slowest motorcycles here in terms of top speed from the factory. It'll almost assuredly go faster without the governor, but it's an interesting tidbit. In all, if you want to go as fast as possible, you'll probably want one of Kawasaki's other motorcycles. However, this little guy still sports a 1,043cc inline-four engine, costs less than the others, and let's face it, if you're just doing quarter-mile runs, you don't really need to go much faster than its 147 MPH maximum speed.