Exploring the Performance of the Triumph TR4

  1. Triumph TR models
  2. TR4
  3. TR4 performance

The Triumph TR4 is a classic, vintage sports car that has become an icon in the motoring world. Its timeless design and powerful performance have made it a sought-after classic for generations of car enthusiasts. In this article, we will be exploring the performance of the Triumph TR4, looking at its engine specs, handling, and performance on the track. Get ready to take a ride through time as we uncover what makes this classic car so beloved by so many. The Triumph TR4 is a classic British sports car that has been popular since it was first introduced in 1961. Its combination of power, speed, and agility make it a great choice for performance driving.

It features a 2.2-liter engine with 105 horsepower and 122 ft-lbs of torque, giving it plenty of power for spirited driving. The four-speed gearbox offers quick, precise shifts, and the suspension and handling characteristics are well balanced for both street and track use. The TR4's relatively light weight gives it excellent acceleration and braking capabilities. One of the great things about the Triumph TR4 is its potential for performance upgrades. Its engine can be modified to increase horsepower and torque, while the brakes, suspension, and exhaust can all be upgraded to improve performance.

Many owners have modified their TR4s with aftermarket parts to create powerful street cars or track-ready machines. Some examples of modified TR4s include Steve McQueen's famous 'Green Hornet' race car, which was equipped with a high-performance engine and many other custom modifications, as well as the 'Red Dragon', which achieved a top speed of over 180 mph. While the Triumph TR4 is an excellent choice for performance driving, there are some drawbacks to owning one. Parts can be hard to find and expensive, and the TR4 is not as reliable as newer cars. Additionally, due to its limited production run, it can be difficult to find a good condition TR4 in need of restoration.

Despite these drawbacks, the Triumph TR4 remains a popular choice for performance driving thanks to its combination of power, speed, and agility. With the right modifications, it can be a formidable competitor on the track or just a great car to take on weekend drives. If you're looking for an iconic British sports car with plenty of performance potential, then the Triumph TR4 is worth considering.

Engine Specifications

The Triumph TR4 is powered by a four-cylinder, 2.2-liter engine that produces 105 horsepower at 5,500 rpm and 140 lb-ft of torque at 3,500 rpm. This gives it a top speed of around 115 mph and a 0-60 mph time of 11 seconds.

It has a four-speed manual transmission with gear ratios of 3.89, 2.11, 1.39, and 1.00:1.The TR4 is also equipped with dual SU carburetors and an aluminum cylinder head for increased performance and better fuel efficiency. The engine can also be modified to improve its performance further, with upgrades such as a higher compression ratio, larger valves, or aftermarket exhaust systems. Overall, the Triumph TR4 has the power and torque necessary to be a great performance car. With the right modifications, you can maximize its potential and make it even faster.

Suspension and Handling

The suspension and handling of the Triumph TR4 is one of its defining features. The car features a lightweight chassis, independent front suspension with double wishbones, and a live rear axle with semi-elliptical leaf springs.

The combination of these components gives the TR4 excellent cornering ability, as well as impressive road-holding and agility. For those who want to get the most out of their TR4's performance, there are several modifications that can be made. These include stiffer suspension bushings, adjustable shocks, and stiffer anti-roll bars for improved handling. Additionally, lowering the ride height can make the car more responsive and reduce body roll. Finally, fitting larger alloy wheels and performance tires will help to improve grip and stability. The Triumph TR4's suspension and handling provide a great balance of comfort and performance, making it an ideal choice for those looking for a classic British sports car that can handle both the track and the open road.


If you're looking to get the most out of your Triumph TR4, there are a few modifications you can make to improve its performance.

Upgrading the brakes, exhaust, and suspension are all common modifications that can help take your TR4 to the next level. Brakes are an essential part of any performance car, and upgrading them on your TR4 can make a big difference. Better brakes will give you more control and responsiveness, allowing you to brake harder and later into corners. Many aftermarket brake kits are available for the TR4, so you can choose one that meets your budget and performance needs.

The exhaust system is another important factor in improving performance. An aftermarket exhaust will give your engine better flow and allow it to breathe more easily. This will result in a boost in power, as well as a louder, sportier sound. Finally, upgrading your TR4's suspension can also improve its performance.

Upgrading the shocks and springs can help to increase stability and handling. It can also help reduce body roll in corners, giving you better grip and control when cornering at speed. These modifications can help to unlock the full potential of your TR4, allowing it to reach its highest level of performance. While they may be costly, they can make a big difference when it comes to getting the most out of your classic sports car.

Pros and Cons

The Triumph TR4 is an iconic British sports car that is renowned for its performance.

It has an impressive combination of power, speed, and agility, making it a great choice for those who value performance driving. However, it also has some drawbacks that should be taken into consideration before purchasing one. One of the main pros of the Triumph TR4 is its impressive engine specs. The engine can produce up to 105 horsepower, giving it plenty of power and speed when needed. The four-cylinder engine is also known for being reliable and easy to maintain.

Additionally, the TR4 is lightweight, which makes it highly maneuverable and gives it great handling. The TR4 can also be modified to improve its performance. There are many aftermarket parts available that can be added to the car to increase its power or make it more aerodynamic. This allows owners to customize their cars to their exact specifications. On the other hand, the Triumph TR4 does have some drawbacks as well. The most notable is that it is not as fuel efficient as some modern cars.

Additionally, its age means that spare parts can be difficult to find and expensive to purchase. Lastly, the car is not as comfortable as some newer models. The Triumph TR4 is an ideal choice for performance driving due to its combination of power, speed, and agility. For drivers looking to maximize their TR4's potential, modifications such as an upgraded suspension system, increased horsepower, and improved brakes can be added. Additionally, there are many stories from other drivers who have modified their TR4s or achieved racing success with a stock TR4. Ultimately, the Triumph TR4 is a classic British sports car that is sure to provide an exciting and rewarding driving experience.