1970 Triumph T100 Series Valuation Report

Date: August 2025

Historical Overview

The Triumph T100 ranged from the standard 500cc Tiger to the Daytona (T100T) and T100C trophy variant produced around 1970. Known for its 5‑speed gearbox and front disc brake (from 1972), the series offered strong performance and British charm. The Tiger Daytona (490cc) was launched to celebrate Triumph’s racing heritage and featured enhancements making it a desirable variant.

Valuation Analysis

Based on UK auction and listing figures, values fall into these condition ranges:

Project Condition: ~£2,500–£3,500
Typically non-running or needing major recommissioning. Example: UK project listing around £2,999.
Roadworthy Condition: ~£4,000–£5,500
Running, registered machines in usable condition with minor cosmetic or mechanical wear. Example: a good 1970 T100S listed at ~£5,450.
Restored / Excellent Condition: ~£6,000–£8,000+
Well-maintained or restored examples with matching numbers and correct details.

Notable UK Sales

A 1970 T100R Tiger Daytona 490cc sold for £4,025 at Shuttleworth in July 2024. (Auction Listing)
A UK dealer listing showed a 1970 T100S at around £5,450 in good roadworthy condition. (Source)

Factors Influencing Value

Matching Numbers: Complete original frame and engine combinations increase desirability.
Model Specifics: Daytona (T100T) and T100C variants typically value higher than standard Tiger models.
Condition & Finish: Correct paint, badges and period details boost value.
Registration & Documents: UK V5C, MOT history, and service records enhance credibility.

Conclusion

The 1970 Triumph T100 series holds strong appeal among British classic motorcycle collectors. A tidy roadworthy T100 typically sells in the £4,000–£5,500 range, while top-condition restorations can exceed £7,000. Project-level or non-matching examples usually range lower at £2,500–£3,500.

All Valuations