| General |
| Year | 2023 | 2024 |
| Make Model | - | Triumph Speed 400 |
| Dimensions |
| Seat Height | 820 mm / 32.3 in 800 mm / 31.5 in - accessory low seat 775 mm / 30.5 in - accessory low seat + low suspension kit | 790 mm / 31.1 in |
| Wheelbase | 1474 mm / 58.0 in | 1377 mm / 54.2 in |
| Height | - | 1075 mm / 42.3 in |
| Length | - | 2056 mm / 80.9 in |
| Width | - | 795 mm / 31.3 in |
| Weights & Capacities |
| Wet Weight (kg) | 188 | 170 |
| Dry Weight (kg) | 166 | - |
| Dry Weight | 166 kg / 366 lbs | - |
| Fuel Capacity | 14 Litres / 3.7 US gal | 13 Litres / 3.43 US gal |
| Wet Weight | 188 kg / 414 lbs | 170 kg / 375 lbs |
| Performance |
| Max Power | - | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 93 Nm / 69 lb-ft @ 6500 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Engine |
| Displacement | 937 cc / 57.2 cu in | 398 cc / 24.3 cu-in |
| Engine Detail | Four stroke, Testastretta 11°, L-Twin cylinder, 4 valve per cylinder, desmodromic valvetrain | Four stroke, DOHC, single cylinder, 4 valves |
| Bore x Stroke | 94 x 67.5 mm | 89.0 x 64.0mm |
| Compression Ratio | 13.1:1 | 12.1:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Emissions | EURO5 | Euro 5 |
| Exhaust | Pre-muffler and twin muffler, catalytic converter and 2 lambda probes | - |
| Fuel Induction | Electronic fuel injection system, 53 mm throttle bodies with full Ride by Wire system | Bosch ride-by-wire EFI |
| Ignition | Electronic | - |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Slipper and self-servo wet multiplate clutch, hydraulic control | Wet multiplate with assist and slip functions |
| Final Drive | Chain, front sprocket z15, rear sprocket z43 | X-ring chain |
| Gear Ratios | 1st 37/15 2nd 30/17 3rd 28/20 4th 26/22 5th 24/23 6th 23/24 | - |
| Primary Drive | Straight cut gears, ratio1.85:1 | - |
| Transmission / Drive | 6-Speed | 6-Speed |
| Chassis |
| Frame Type | Aluminum front frame | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | 43 mm USD forks | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Progressive linkage, preload adjustable monoshock, aluminum double-sided swingarm | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | 24° | 26.6° |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | 93 mm / 3.7 in | 101.6 mm / 4 in |
| Wheel Travel - Front | 130 mm / 5.1 in | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | 140 mm / 5.5 in | 129.4 mm / 5.1 in |
| Electronics |
| Equipment / Features | Ducati Quick Shift, Ducati Power Launch, 4.3" TFT color display, Full LED headlight and lighting system, Dynamic turn indicators, USB power socket | - |
| Optional Equipment | Ducati Multimedia System, Heated grips | - |
| Safety Equipment | Riding Modes, Power Modes, Cornering ABS, Ducati Traction Control, Ducati Wheelie Control, Daytime Running Light | - |
| Electrical Systems |
| Instrumentation | 4.3 in TFT color display | Analogue speedometer with integrated multi-function LCD screen |
| Wheels & Brakes |
| Brakes - Front | 2x 320 mm semi-floating discs, radially mounted Brembo M4.32 monobloc 4-piston calipers, radial master cylinder | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | 245 mm disc, Brembo 2-piston floating caliper | Single 230 mm disc with floating caliper |
| ABS | Bosch Cornering ABS | Bosch dual channel |
| Rims - Front | Light alloy cast, 3.5 x 17 | - |
| Rims - Rear | Light alloy cast, 5.5 x 17 | - |
| Tyres - Front | 120/70 ZR17 Pirelli Diablo Rosso III | 110/70 x R17 |
| Tyres - Rear | 180/55 ZR17 Pirelli Diablo Rosso III | 150/60 x R17 |
| Wheels - Front | - | 17 x 3 in with 10-spoke cast aluminium alloy rims |
| Wheels - Rear | - | 17 x 4 in with 10-spoke cast aluminium alloy rims |