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You can tell at a glance that the Aprilia Tuono V4 1100 Factory is a fast machine. Everything about its parking-lot demeanor exudes speed in amplified fashion. The “Superpole” graphics slathered over its minimalist plastics would look at home in a World Superbike paddock, and there’s a wreathed reminder of Aprilia’s racing success tattooed atop its tank — 54 World Titles. Hell, even if its bodywork were painted beige, those red, Pirelli-wrapped wheels would still advertise the punch it packs. I laugh quietly to myself and shake my head as I drop the key into its ignition. The next few days will be fun.
It took all of 15 seconds to fall in love, and I haven’t even sat on the thing yet. Outside of Laguna or the Circuit of the Americas, I’ve never heard a bike this raucous. Thanks to its V4 arrangement, the Tuono’s 1,100cc, race-derived 65-degree engine growls like an angry mechanical cat at idle and, with a flick of my right wrist, unleashes 175 horsepower of symphonic fury. At peak (11,000 rpm) it sounds like the colicky, misbegotten bastard of a C63 AMG and an F12 Berlinetta‘s unprotected mistake — a deep, cackling baritone with screeching highs. Yeah, it’s that good.
Traffic, legalities and the fragility of the San Andreas fault won’t allow me to keep the engine at full boil the entire ride, but I’m impressed with the Tuono’s low-speed competencies. I aim south from Costa Mesa and cruise down the PCH to take in the sights, to acclimate to this Italian’s manners and to scare afternoon commuters with throttle blips at every red light. Most fire-breathers don’t like slow-moving traffic, but lower gearing (a 15-tooth countershaft sprocket replaces last year’s 16-tooth unit), a lighter crank and copious amounts of torque (89.2 lb-ft) help with urban civility. So too does the suite of electronics Aprilia have programmed into the Tuono’s ECU (engine control unit) which includes multiple ride modes and an adjust-on-the-fly traction control and ABS module. There are other benefits to Aprilia’s e-wizardry, but my commuter’s pace won’t let me exploit them just yet.
Aprilia Tuono V4 1100 Factory Specs and Gear

Engine: 1,077cc V4
Horsepower: 175
Torque: 89 lb-ft
Transmission: Six-speed
Curb Weight: 405 pounds (dry)