Performance Review: Triumph TR6 2.5L - [1969]

Figures & Specs Summary:

Triumph TR6 Performance Review.

Introduction:

This edition of the Triumph TR6 2.5L is the 4 speed / Manual version and was first brought out in 1969. This was at around the same time as the introduction of the 1970 Monteverdi Hai 450 SS and the 1969 McLaren M6 GT 5.7 V8.This particular Triumph TR6 has a 2498cc Naturally Aspirated Petrol powerplant with 6 cylinders in a St formation.

Alternative Petrol St6's includes the 1965 Aston-Martin DB6 1965

The TR6 shares its Petrol St6 engine configuration with the likes of the 1965 Aston-Martin DB6 1965 and the . If you're looking for other fast cars which share the TR6's Rear Wheel Drive, Coupe combination then how about the 1982 Fiat X1/9 1.5 8V or the 1965 Aston-Martin DB6 1965.

Power and Weight:

Weighing in at 1130 kgs (2491 lbs) this makes the Triumph TR6 2.5L in the same weight category as the 2020 Lotus Exige Sport 410 Roadster 3.5 V6 or the give or take 50kg.

The Triumph TR6 shares the same bhp with the 2022 Mini Cooper Countryman John Cooper Works 1.5 Turbo (134 bhp)

In terms of power the 2498cc 12V St6 engine produces 150 bhp (111 kW) @ 5500 rpm similar to the 2022 Mini Cooper Countryman John Cooper Works 1.5 Turbo (134 bhp) or the 2020 Audi A1 A1 Sportback 35 TFSI S tronic S line (148 bhp).

The Naturally Aspirated St6 throws out 164 lb-ft (222.3 Nm) @ 3500 rpm placing it with cars of similar torque performance figures such as the 2022 Mini Cooper Countryman John Cooper Works 1.5 Turbo (162 lb-ft) or the 2020 Abarth 695 70th Anniversario 1.4 Turbo (184 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the Triumph TR6 you can get a better idea of it's real world performance.

The 2006 Seat Leon 1.8 20vt Cupra R 210 (157.7 bhp per ton) has similar Bhp Per Ton stats as the Triumph TR6.

The Triumph TR6 has a Power to weight ratio of 132.7 bhp per ton and 145.1 lb-ft per ton. Bhp Per Ton figures of the 1969 TR6 competing with the 2006 Seat Leon 1.8 20vt Cupra R 210 (157.7 bhp per ton) or the 1992 BMW 7 Series 740i E32 (157.5 bhp per ton).

Power to Weight(cont.):

If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance, Torque. Use weight as well and you end up with - Torque per ton, with the Triumph TR6 generating around 145.1 lb-ft per ton. If you're curious as to what other cars have as much torque to weight then look no further than the 2003 BMW X5 3.0d (170.0 lb-ft per ton) or the 2006 Lotus Exige S 1.8 Supercharged (170.0 lb-ft per ton).

Acceleration:

With a 0-60mph time of 8.20 secs or a 0-100km/h (0-62mph) of 8.5 secs, this made the Triumph TR6 2.5L as fast as the 2006 Seat Leon 2.0 16v TDI FR (8.20 secs) the 2005 Land-Rover Range Rover 4.4 V8 (8.20 secs) the 2003 BMW X5 3.0d (8.20 secs) the or the 2000 Honda Civic 2.0i VTEC Type S (8.20 secs). This Triumph TR6 2.5L is also faster than the 2007 Renault Megane Renaultsport 2.0 dCi 175 (8.30 secs) the 2005 Mazda MX5 1.8i (8.30 secs) the 2005 Peugeot 407 3.0 V6 Coupe (8.30 secs) the and the 2001 Volkswagen-VW Lupo 1.6 GTi (8.30 secs).

Quarter Mile time is a close race between the TR6 and the 2019 Tesla Model 3 Standard Range

When talking about the performance of the Triumph TR6 on the drag strip it can reach a quarter mile in an estimated 16.1 secs @ 85.0 mph. Similar performance down the quarter mile can be found with the the 2019 Tesla Model 3 Standard Range (16.03 secs), the 1999 Audi A3 S3 1.8T Quattro (16.04 secs), and the 2009 Ford Fiesta ST185 (16.06 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 1969 version of the Triumph TR6 2.5L has a maximum speed of 119mph.

Top Speed of the 1969 TR6 equals the 2024 Mazda CX-90 S 3.3 Turbo (130 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 1969 Triumph TR6 2.5L then how about the 2024 Mazda CX-90 S 3.3 Turbo (130 mph), the 2019 Tesla Model 3 Standard Range (130 mph), or the 2017 Audi A6 3.0T Competition (130 mph).

Related Links:

1969 TR6 Rivals List.

A Brief History of Triumph

Car Comparison