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2026 Triumph Speed 400 — photo 1 of 9
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Specs

New or used
New
Availability
In stock
Colour
Lava Red Gloss / Storm Grey
Available colours
Phantom Black / Storm Grey Pearl Metallic White / Phantom Black Lava Red Gloss /Manufacturer spec
Horsepower
39.5 hpManufacturer specDealer: Max power EC - 39.5 hp (40 PS) @8,000 rpm
Torque
27.7 lb-ftManufacturer specDealer: Max EC - 27.7 ft. lb. @6,500 rpm
Displacement
398 ccManufacturer specDealer: 398.15 cc
Cylinders
1Manufacturer specDealer: Single
Cooling
Liquid-cooledManufacturer specDealer: Liquid
Transmission
ManualManufacturer specDealer: Gearbox - 6 Speed
Final drive
ChainManufacturer spec
Mileage
1 mi
Seat height
31.1 inManufacturer specDealer: 31.10 in. (790 mm)
Wheelbase
54.2 inManufacturer specDealer: 54.21 in. (1,377 mm)
Wet weight
375 lbManufacturer specDealer: Wet - 375 lb. (170 kg)
Fuel capacity
3.43 galManufacturer specDealer: Tank capacity - 3.43 US gal. (13 l)
Warranty
Service Interval - 10,000 mi. (16,000 km) / 12 months (whichever comes first)Manufacturer spec
VIN
SMTT127Y6TNA46154
Stock #
12829
All details from the dealer (24)
Badge
On Sale
Model Type
Speed
Model Code
NA

General Information

Model Code
NAManufacturer spec

Brakes/Wheels/Tires

Brakes
Front - 11.81 in. (300 mm) fixed disc, four-piston radial caliper, ABS Rear - 9.1 in. (230 mm) fixed disc, floating caliper, ABSManufacturer spec
Wheels
Front - Cast aluminum alloy 10 spoke, 17 x 3 in. Rear - Cast aluminum alloy 10 spoke, 17 x 4 in.Manufacturer spec
Tires
Front - 110 / 70 R17 Rear - 150 / 60 R17Manufacturer spec

Dimensions

Height
Without Mirror - 42.68 in. (1,084 mm)Manufacturer spec
Width
Handlebars - 32.05 in. (814 mm)Manufacturer spec

Electrical

Instrumentation
Display and Functions - Analogue speedometer with integrated multi-function LCD screenManufacturer spec
Lighting
Premium LED lighting and rear light signatureManufacturer spec
Advanced Electronics
Traction control - Ride-by-wire throttle with switchable traction controlManufacturer spec

Engine

Bore x Stroke
3.5 x 2.52 in. (89.0 x 64.0 mm)Manufacturer spec
Compression Ratio
12:1Manufacturer spec
Clutch
Wet, multi-plate, slip and assistManufacturer spec
Fuel System
Bosch electronic fuel injection with electronic throttle controlManufacturer spec
Exhaust
Stainless twin-skin header system with stainless steel silencerManufacturer spec
MPG Rating
Fuel consumption - 68.9 mpg (4.1 l / 100 km)Manufacturer spec

Operational

Frame
Hybrid spine / perimeter, tubular steel, bolt-on rear subframeManufacturer spec
Front Suspension
1.7 in. (43 mm) upside down Big Piston forks. 5.51 in. (140 mm) wheel travelManufacturer spec
Rear Suspension
Gas monoshock RSU with external reservoir and pre-load adjustment. 5.12 in. (130 mm) wheel travel Swingarm - Twin-sided, cast aluminum alloyManufacturer spec
Rake
24.6ºManufacturer spec
Trail
4.02 in. (102 mm)Manufacturer spec

Other

Includes
Ergonomics - Accessible 31.10 in. seat height, slim standover and engaging ergonomicsManufacturer spec

From the dealer's page

The Speed 400 brings Triumph’s unmistakable stripped back custom style, agile handling, responsive performance, and category-defining build quality to a new class of rider. Specification from 2025 model

Price history

Tracked since Oct 4, 2026 · last checked 3h ago

Price details as printed by the dealer

  1. SAVE$350

Throttle does not add these up.

Timeline

  1. First seen

    Oct 4, 2026

Market context

Comp set: 2024–2028 Triumph Speed 400 · 19 listings

Median asking
$5,245
across 17 comparable listings
This one
$5,245
0.0% vs median
Days on market
3d
segment median 2d on Throttle before leaving
Left dealer sites
2
comparable listings gone from dealer sites, or marked sold; not sales
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Deal reasons — where this asking price sits against similar listings, with the sample behind it

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