Accompanied by a certified copy of the factory record from the BMIHT.
Includes its original Triumph Stag handbook and a technical data sheet.
Fitted with Stromberg carburettors in March 2026 and an axle pipe in June 2026.
The total mileage of the car is unknown.
Generated by AI from the auction house's description. Always verify details with the seller before bidding.
Description
Auctioneer's Notes:
A smart and well-presented example of one of Triumph's most distinctive grand tourers, this 1977 Triumph Stag Automatic is finished in New White with a Black soft top over a tidy Beige interior. Combining Michelotti styling, V8 power and automatic transmission, the Stag remains a particularly usable and characterful British classic.
Maintenance:
The Stag has continued to receive attention in recent years, with Stromberg carburettors fitted in March 2026 and a right-hand axle...
About the Stag
The Triumph Stag (1970-1977) is the V8 grand tourer. All-new 3.0 V8 with 145hp. T-bar roof, proper four seats. Around 25,900 built. Notorious for engine issues but properly sorted examples are excellent - smooth, refined, and capable. Values from £15k.
Known Issues to Watch For
Stag: Engine: The infamous 3.0 V8 - when sorted, it's smooth and torquey. BUT original issues: timing chain failure (single-row), overheating (inadequate cooling), head gasket failure, water pump. Many now have improved spec: duplex timing chain, better cooling, hardened valve seats. Verify what has been done. Rover V8 swaps common - practical but purists dislike. Gearbox: BW35 auto adequate; manual with overdrive rare but desirable. Chassis: Monocoque - sills are structural and complex. Inner/outer sills, A-posts, rear arches, boot floor rust. Soft/hard tops: Check condition. Values: Good ones command strong money. Basket cases still cheap. Budget £2-5k annually depending on engine state.
Desirable Options
Stag manual + overdrive (rare), Vitesse Mk2 Convertible, Herald Convertible, Sorted Stag engine (documented work), Hard top
