TRIUMPH STAG AUTO Buying Guide & Reliability (1973-1977)

The TRIUMPH STAG AUTO is a classic British sports car produced between 1973 and 1977. With a total of seven registration plates recorded, this model has become a notable part of automotive history.

Last updated September 08, 2025 1998 words Based on real UK vehicle data

TRIUMPH STAG AUTO Overview

The TRIUMPH STAG AUTO is a classic British sports car produced between 1973 and 1977. With a total of seven registration plates recorded, this model has become a notable part of automotive history. The STAG AUTO is primarily powered by petrol, with all recorded vehicles using this fuel type.

In terms of performance, the TRIUMPH STAG AUTO boasts a commendable MOT pass rate of 83.9%. This statistic indicates a relatively high level of reliability among the vehicles that have undergone testing. However, like any classic car, it is essential to be aware of common failures that may arise over time.

The colour distribution of the TRIUMPH STAG AUTO showcases a vibrant palette, with red being the most popular choice, accounting for four of the seven vehicles. Other colours include blue, green, and orange, each represented by one vehicle. This variety adds to the appeal of the STAG AUTO, allowing enthusiasts to choose a model that suits their personal taste.

When examining the year distribution, it is evident that the model is well-represented across its production years. The highest number of registrations occurred in 1977 and 1973, with two vehicles each, while 1974, 1975, and 1976 each have one vehicle registered. This distribution reflects the model's enduring popularity during its production run.

Regarding tax status, four of the vehicles are currently taxed, while three are declared SORN (Statutory Off Road Notification). This information is crucial for potential buyers and collectors, as it indicates the current status of these classic cars.

Data accuracy is subject to change, and the statistics provided are based on the latest available information. Always verify details before making any decisions related to vehicle ownership.

Reliability and MOT Performance

The Triumph Stag Auto, produced between 1973 and 1977, has a notable MOT pass rate of 83.9%. This statistic indicates a relatively strong performance in terms of reliability, especially for a classic vehicle. With a total of 56 MOT tests conducted across the seven registered vehicles, the Stag Auto demonstrates a commendable level of durability and maintenance among its owners.

Common failures for the Triumph Stag Auto are not specified in the available data, but understanding typical issues can help prospective buyers make informed decisions. The vehicle's petrol engine configuration is consistent across all registered models, which may contribute to its reliability and ease of maintenance.

In terms of registration, there are currently seven Triumph Stag Autos on the road, with a distribution of colours that includes four red, one blue, one green, and one orange vehicle. This variety in colour may appeal to different aesthetic preferences among classic car enthusiasts.

The year distribution of the registered vehicles shows a balanced representation, with two models from 1977, two from 1973, and one each from 1974, 1975, and 1976. This suggests that the Stag Auto has maintained a presence across its production years, which can be indicative of its enduring popularity.

Regarding tax status, four of the vehicles are currently taxed, while three are declared SORN (Statutory Off Road Notification). This distribution highlights the ongoing interest in the Triumph Stag Auto, as many owners continue to keep their vehicles on the road.

It is important to note that while the data presented here is accurate as of the latest available information, individual vehicle performance may vary. Always consult with a professional for specific advice regarding vehicle reliability and maintenance.

What to Check When Buying Used

When considering the purchase of a used Triumph Stag Auto, there are several key factors to evaluate to ensure a satisfactory investment. This classic model, produced between 1973 and 1977, has a total of seven registration plates recorded, indicating a modest but active presence on the roads.

First, check the vehicle's MOT history. The Triumph Stag Auto boasts an impressive MOT pass rate of 83.9%, which suggests that most vehicles in this category are well-maintained. However, it is essential to review the specific MOT records for any common failures that may have been reported.

In terms of fuel type, all recorded Triumph Stag Autos run on petrol, which is a standard for this model. Additionally, the colour distribution shows a preference for red, with four out of seven vehicles in this hue, followed by blue, green, and orange, each represented by one vehicle.

Yearly distribution of the Triumph Stag Auto indicates that there are two vehicles from 1977 and 1973, with one each from 1974, 1975, and 1976. This information can help you identify the age and potential wear of the vehicle you are considering.

It is also important to check the tax status of the vehicle. Out of the seven registered vehicles, four are currently taxed, while three are declared SORN (Statutory Off Road Notification). This could impact your decision, as a SORN vehicle may require additional work before it can be legally driven.

Finally, always ensure that you verify the vehicle's history and condition through a thorough inspection and documentation review. While the statistics provided offer a general overview, they should not replace a detailed assessment of the specific vehicle you are interested in.

Disclaimer: The data presented is based on available records and may not reflect the current status of individual vehicles. Always conduct your own research and verification.

Running Costs and Specifications

The Triumph Stag Auto, produced between 1973 and 1977, is a classic British sports car that combines style with performance. With a total of seven registration plates recorded, this model has a notable presence on the roads. The Stag Auto has an impressive MOT pass rate of 83.9%, indicating a relatively reliable vehicle for its age.

In terms of running costs, the Triumph Stag Auto primarily runs on petrol, with all seven recorded vehicles using this fuel type. Owners should be aware that while classic cars can offer a unique driving experience, they may also incur higher maintenance costs compared to modern vehicles.

Colour distribution among the registered Triumph Stag Autos shows a preference for red, with four vehicles in this hue. Other colours include blue, green, and orange, each represented by one vehicle. This variety allows potential buyers to choose a model that suits their aesthetic preferences.

The year distribution of the Triumph Stag Auto reveals that the most common years for registration are 1977 and 1973, with two vehicles each. The remaining years, 1974, 1975, and 1976, have one vehicle each, showcasing the model's popularity during its production run.

Regarding tax status, four of the registered vehicles are currently taxed, while three are declared SORN (Statutory Off Road Notification). This information is crucial for prospective buyers, as it indicates the vehicle's current usage status.

It is important to note that the data presented here is based on available records and may not reflect the complete picture of the Triumph Stag Auto's performance and reliability. Always verify details with official sources before making any decisions.

Alternative Models to Consider

If you're considering the Triumph Stag Auto, there are several alternative models that may also pique your interest. The Stag, produced between 1973 and 1977, has a unique charm, but exploring other options can help you find the perfect fit for your needs.

One alternative to consider is the MGB GT, a classic British sports car known for its sleek design and engaging driving experience. The MGB GT offers a similar petrol engine experience and has a strong enthusiast community, making it easier to find parts and support.

Another option is the Ford Capri, which was popular during the same era as the Stag. The Capri combines sporty aesthetics with practicality, making it a versatile choice for those who want a classic car that can be used daily.

The Triumph TR6 is also worth mentioning. With its robust performance and classic styling, the TR6 appeals to those who appreciate the heritage of British motoring. Like the Stag, it features a petrol engine and has a loyal following.

When considering alternatives, it's essential to look at the MOT pass rates. The Triumph Stag Auto has an impressive pass rate of 83.9%, indicating a relatively reliable vehicle. In comparison, the MGB GT and Ford Capri also boast good reliability records, making them solid contenders.

In terms of colour options, the Stag is available in various shades, including red, blue, green, and orange. This variety allows for personalisation, similar to what you might find with the alternatives mentioned.

Ultimately, while the Triumph Stag Auto is a fantastic choice, exploring models like the MGB GT, Ford Capri, and Triumph TR6 can provide you with a broader perspective on classic British cars. Always ensure to check the latest data and reviews to make an informed decision.

Disclaimer: The data provided is based on available statistics and may not reflect the most current market conditions. Always verify details before making a purchase.

Frequently Asked Questions

Frequently Asked Questions

What years was the Triumph Stag Auto produced?

The Triumph Stag Auto was produced between 1973 and 1977. This model has a total of five production years, with vehicles registered in 1973, 1974, 1975, 1976, and 1977.

How many Triumph Stag Autos are currently registered?

There are currently seven registered Triumph Stag Autos in the UK. This includes a variety of colours and years, showcasing the model's enduring appeal.

What is the MOT pass rate for the Triumph Stag Auto?

The MOT pass rate for the Triumph Stag Auto stands at 83.9%. This indicates a relatively high level of roadworthiness among the vehicles tested.

What are the common failures for the Triumph Stag Auto?

While specific common failures are not detailed, the overall MOT pass rate suggests that the Triumph Stag Auto is generally reliable. Regular maintenance is recommended to ensure continued performance.

What fuel type does the Triumph Stag Auto use?

All registered Triumph Stag Autos utilise petrol as their fuel type. This is consistent across the entire model range.

What colours are available for the Triumph Stag Auto?

The colour distribution for the Triumph Stag Auto includes red (4), blue (1), green (1), and orange (1). Red is the most common colour among the registered vehicles.

What is the tax status of the Triumph Stag Auto?

Out of the seven registered Triumph Stag Autos, four are currently taxed, while three are declared SORN (Statutory Off Road Notification).

Data accuracy is based on the latest available information and may vary over time. For the most current details, please refer to official sources.

Data Source: This guide is based on analysis of extensive UK vehicle database in our database, including MOT test results and DVLA records.

Disclaimer: This information is provided for guidance only and is based on historical data in our database. Always verify current vehicle details with official sources and get a professional inspection before purchase.

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