The Original Wedge Design in a 1978 Triumph TR7

1978 Triumph TR7

A Vintage British Sports Car

For Sale: 1978 Triumph TR7

The Triumph TR7, introduced by British Leyland in 1975, represented a big change from traditional sports car design with its distinctive wedge-shaped silhouette. The 1978 model year, unfortunately, proved problematic for this vehicle, marked by significant production challenges and mechanical refinements. Initially manufactured at the Speke factory in Liverpool, the TR7 suffered from persistent labor disputes and quality control issues that ended in a temporary production halt in May 1978. To address these ongoing problems, British Leyland made the decision to relocate production to the Canley plant in Coventry, with manufacturing resuming in October 1978 and effectively creating a substantial gap in the model year.

This transitional period brought several important mechanical updates to the TR7. The most notable improvements included replacing the previous four-speed manual transmission with a more sophisticated five-speed gearbox, which enhanced the car’s drivability. Additionally, a stronger rear axle was implemented to better manage the engine’s power output, addressing some of the performance concerns that had plagued earlier models. Despite these technical refinements, the TR7 continued to struggle with its reputation, particularly in the U.S. market where it was first launched. Persistent issues with mechanical reliability and build quality undermined its potential, though the car’s distinctive design and relatively affordable pricing helped it maintain a dedicated following among automotive enthusiasts.

A five-year sales history can be seen at Classic.com. Valuation tables can be seen at Caaarguide.com. For production numbers and values, see Conceptcarz.com. Current values can also be seen at Collectorcarmarket.com. In-depth specifications and performance can be seen at Automobile-catalog.com. A bit of history can be read at Classiccars.co.uk and a buying guide is available at Autoexpress.co.uk. Enthusiasts can check out the Triumph club at TRDrivers.com.

Nadaguides.com – Average price: $11,000

Image credit – Wikipedia.org

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