For thirty years, the battle between tyre manufacturers gave SUPER GT a second, invisible championship — one fought in the paddock as much as on the circuit. That contest now draws to a close. Beginning in 2027, Bridgestone will supply all GT500 teams exclusively, while Dunlop — in a surprising turn over the dominant Yokohama — claims the GT300 contract, each bound for three seasons. What was once a war of rubber becomes, like so much of modern motorsport, a question of consolidation over competition.
dailysportscar.com
· Aug 02, 2026
· technology
· 5 min read
High
Sourcing: Verified
SUPER GT Ends Tyre War: Bridgestone & Dunlop Named Exclusive Suppliers From 2027
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Bias & Framing
⚖
Article presents factual announcement of tyre supplier contracts with neutral tone, though framing emphasizes Bridgestone's dominance and characterizes Dunlop's selection as a 'surprise' despite limited current market share.
Bias Direction
center
Confidence
MED
The article frames the announcement through historical dominance metrics (Bridgestone's 28 championships, 196 victories) and market position data, while characterizing Dunlop's GT300 selection as unexpected ('minor surprise') given its current 4-team supply versus Yokohama's 17-team presence. This creates narrative tension around the decision.
insurmountable records
long-running 'tyre war' comes to an end
minor surprise
outbid
captured the exclusive rights
Yokohama's reaction or statement on losing GT300 contract
Teams' perspectives on the exclusive supplier arrangement
Rationale from GTA/decision-makers for why Dunlop was selected over Yokohama despite lower market share
Potential competitive implications of ending the tyre war
Comments from Bridgestone or Dunlop on their selection
Geopolitical Impact
🌎
Japanese tyre manufacturers Bridgestone and Dunlop secure exclusive SUPER GT contracts from 2027, consolidating Japanese automotive industry dominance in premier motorsport and ending competitive tyre supply era.
Escalation Risk
low
Confidence
HIGH
Japan
Asia-Pacific
Global motorsport industry
Strengthens Sumitomo Rubber Industries' (Dunlop parent) and Bridgestone's market control in motorsport; eliminates Yokohama's competitive presence in SUPER GT; reinforces Japanese corporate consolidation in automotive supply chains; reduces supplier diversity and competitive innovation in racing.
Similar to F1's transition to single-supplier eras (Pirelli monopoly post-2011), reducing technical competition but stabilizing costs and predictability for series management.
Economic Lens
📈
SUPER GT's transition to exclusive tyre suppliers (Bridgestone for GT500, Dunlop for GT300) from 2027 consolidates competition, reducing supplier diversity but potentially lowering costs and increasing predictability for racing teams and manufacturers.
Market Signal
mixed
Confidence
MED
Automotive manufacturing (tyres)
Motorsports/racing
Sporting goods and equipment
Rubber and elastomer production
Minimal direct consumer impact; racing fans may experience less competitive variation in tyre performance, potentially affecting race unpredictability. Indirectly, reduced competition in motorsports tyre supply may influence consumer tyre market dynamics as manufacturers redirect R&D resources.
This consolidation may face scrutiny from competition authorities regarding monopolistic practices in a specialized market segment. Racing regulators may need to establish cost controls and technical parity measures to prevent supplier dominance from creating unfair competitive advantages. Yokohama's exit signals potential consolidation trends in motorsports supply chains.