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A comparable set is anchored on this machine's make, model, year and trim, and this listing does not name all four. There may well be machines like it on the board — there is just no way to line this one up against them. The ask is shown on its own instead.
A comparable is the same make, model, year and trim, within 3,999 miles of this odometer and 500 miles of this dealer. Unpriced listings are ignored, this one is excluded, and a dealer posting the same machine twice counts once.
<p data-start="155" data-end="644">The 2026 Triumph Speed 400 is a modern-classic roadster that distills Triumph’s style, build quality, and rideability into a compact, accessible package. With a 398cc single-cylinder engine, nimble handling, and premium components, it’s a perfect entry for new riders — without compromising on the soul or finesse that Triumph is known for. New for 2026 are fresh color options, while the core engineering remains sharp, balanced, and ready to ride.</p><hr data-start="646" data-end="649" /><h2 data-start="651" data-end="662">Features</h2><p data-start="664" data-end="829"><strong data-start="664" data-end="696">398cc Single-Cylinder Engine</strong> — Liquid-cooled, 4-valve DOHC unit producing 39.5 hp @ 8,000 rpm and 27.7 lb-ft @ 6,500 rpm. </p><p data-start="831" data-end="1028"><strong data-start="831" data-end="865">High-Spec Chassis & Suspension</strong> — 43mm Big Piston inverted front forks, rear mono-shock with preload adjustment, and a hybrid spine/perimeter steel frame. </p><p data-start="1030" data-end="1218"><strong data-start="1030" data-end="1058">Premium Braking & Safety</strong> — 300mm front disc with 4-piston radial caliper and 230mm rear disc with ABS; braided brake lines for sharp lever feel.</p><p data-start="1220" data-end="1418"><strong data-start="1220" data-end="1239">Classic Styling</strong> — Iconic Triumph silhouette, stripped-back custom cues, ten-spoke cast-aluminum wheels, and refined finishes that echo Triumph’s heritage. </p><p data-start="1420" data-end="1628"><strong data-start="1420" data-end="1446">Rider-Focused Controls</strong> — Analogue speedometer with integrated multi-function LCD, ride-by-wire throttle, traction control, and a torque-assist slip & assist clutch. </p><hr data-start="1630" data-end="1633" /><h2 data-start="1635" data-end="1662">Technical Specifications</h2><p data-start="1664" data-end="3418"><strong data-start="1664" data-end="1673">Type:</strong> Liquid-cooled, 4-valve, DOHC, single-cylinder<br data-start="1719" data-end="1722" /><strong data-start="1722" data-end="1739">Displacement:</strong> 398.15 cc <br data-start="1787" data-end="1790" /><strong data-start="1790" data-end="1808">Bore × Stroke:</strong> 89.0 mm × 64.0 mm<br data-start="1864" data-end="1867" /><strong data-start="1867" data-end="1889">Compression Ratio:</strong> 12:1<br data-start="1932" data-end="1935" /><strong data-start="1935" data-end="1949">Max Power:</strong> 39.5 hp (40 PS) @ 8,000 rpm<br data-start="2015" data-end="2018" /><strong data-start="2018" data-end="2033">Max Torque:</strong> 27.7 lb-ft @ 6,500 rpm<br data-start="2096" data-end="2099" /><strong data-start="2099" data-end="2110">Clutch:</strong> Wet multi-plate, slip & assist<br data-start="2181" data-end="2184" data-is-only-node="" /><strong data-start="2184" data-end="2196">Gearbox:</strong> 6-speed <br data-start="2244" data-end="2247" /><strong data-start="2247" data-end="2257">Frame:</strong> Hybrid spine/perimeter, tubular steel with bolt-on rear subframe<br data-start="2362" data-end="2365" /><strong data-start="2365" data-end="2378">Swingarm:</strong> Twin-sided cast aluminum alloy <br data-start="2449" data-end="2452" /><strong data-start="2452" data-end="2473">Front Suspension:</strong> 43mm Big Piston inverted forks, 140 mm travel <br data-start="2559" data-end="2562" /><strong data-start="2562" data-end="2582">Rear Suspension:</strong> Gas monoshock RSU with external reservoir, preload adjustable, 130 mm travel<br data-start="2699" data-end="2702" /><strong data-start="2702" data-end="2718">Front Brake:</strong> 300 mm fixed disc, 4-piston radial caliper, ABS <br data-start="2806" data-end="2809" /><strong data-start="2809" data-end="2824">Rear Brake:</strong> 230 mm fixed disc, floating caliper, ABS<br data-start="2905" data-end="2908" /><strong data-start="2908" data-end="2924">Front Wheel:</strong> 17 × 3 in cast aluminum, 110/70 R17 tire <br data-start="3005" data-end="3008" /><strong data-start="3008" data-end="3023">Rear Wheel:</strong> 17 × 4 in cast aluminum, 150/60 R17 tire <br data-start="3104" data-end="3107" /><strong data-start="3107" data-end="3123">Seat Height:</strong> 31.1 in (790 mm) <br data-start="3180" data-end="3183" /><strong data-start="3183" data-end="3197">Wheelbase:</strong> 54.21 in (1,377 mm) <br data-start="3257" data-end="3260" /><strong data-start="3260" data-end="3283">Fuel Tank Capacity:</strong> 3.43 US gal (13 L) <br data-start="3342" data-end="3345" /><strong data-start="3345" data-end="3360">Wet Weight:</strong> 375 lb (170 kg)</p>