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Catalog

Triumph

Speed 400

The Speed 400 brings 39.5 hp, premium modern-classic finish, and a long 10,000-mile service interval to an approachable lightweight roadster.

T-Series Gen 1Estimated data
CategoryNaked
Used range$4,000–$5,200
Open recalls0
Best forBeginner
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398cc single
Engine
375 lbs
Weight
31.1 in
Seat
$5,495
MSRP
Used range$4,000–$5,200

Estimated late-model range

Ownership costLow upkeep
Insurance: LowUpkeep: LowTires: Low

Premium recommended · 65 mpg est.

SupportModerate

Parts availability moderate.

Used price, ownership cost, and rider-fit estimates are editorial. Verify before purchasing.

Rider fit

Best-use signals

Beginner9/10
Commuting9/10
Touring4/10
Off-road1/10
Two-up4/10
Sport6/10

Buying intel

Known strengths

  • 39.5 hp liquid-cooled single
  • 375 lb wet weight
  • Strong brakes and premium suspension for the class

Buying intel

Common issues

  • Minimal wind protection
  • Compact passenger accommodations

Buying intel

Inspection checklist

  • Check chain adjustment
  • Confirm first service documentation

Buying intel

Maintenance notes

  • Triumph specifies a 10,000-mile or 12-month service interval

Years to buy

Best years

  • 2026
    Strong buy
    Current production year with a 10,000-mile scheduled service interval.

Years to inspect

Watch list

No avoid/watch years are currently flagged.

Recall snapshot

0 open campaigns

Last checked Jul 13, 2026 through MANUAL.

Configuration

2026 Base

naked motorcycle with 398cc single.