CARCARETOOL VEHICLE GUIDE

Triumph TR6 PI

Triumph TR6 PI — 1969–1976, 2-door roadster, 2.5-litre straight-6. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Engine2.5-litre straight-6

Transmission4-speed manual all synchromesh with optional overdrive

About the Triumph TR6 PI

Triumph TR6 PI is a 2-door roadster in the open two-seater class, with source data covering 1969–1976. The available vehicle data lists 2.5-litre straight-6 as an engine configuration, paired with 4-speed manual all synchromesh with optional overdrive and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Triumph TR6 PI guide focuses on the details drivers commonly want to know, including engine information for 2.5-litre straight-6 and 4-speed manual all synchromesh with optional overdrive transmission information. Exact specifications should be matched to the relevant model year and market.

Triumph TR6 PI specifications at a glance

Use this table for the model-level essentials. Exact figures may vary by year, trim, engine and market.

Make	Triumph
Model	TR6 PI
Model years	1969–1976
Body style	2-door roadster
Vehicle class	Open two-seater
Manufacturer	Triumph (British Leyland)
Production	19 September 1968 – 20 July 1976
Market / country	NL, NZ

Engine, transmission and performance

Engine information for the Triumph TR6 PI includes 2.5-litre straight-6.. Transmission information includes 4-speed manual all synchromesh with optional overdrive.. The listed drivetrain/layout is FR layout.

Engine	2.5-litre straight-6
Transmission	4-speed manual all synchromesh with optional overdrive
Drivetrain / layout	FR layout

Dimensions, weight and practicality

Dimensions and capacity figures are presented as published source data when available.

Wheelbase	2235 mm (88.0 in)
Length	3950 mm (156 in)
Width	1550 mm (61.0 in)
Height	1270 mm (50 in)
Kerb / curb weight	1130 kg (2,491 lb)

Triumph TR6 PI other specifications

Sp	uk
Image	1975 Triumph TR6 Injection 2.5 Front.jpg
Name	Triumph TR6

Triumph TR6 PI generations and model years

Where a source covers multiple generations, CarCareTool selects the generation(s) that best match this catalog model instead of mixing unrelated variants.

Generation / scope	Years	Engine	Transmission	Drivetrain
Triumph TR6	1969–1976	2.5-litre straight-6	4-speed manual all synchromesh with optional overdrive	FR layout

TIRE PRESSURE

Recommended tire pressure for Triumph TR6 PI

Check the vehicle placard or owner’s manual for the manufacturer’s cold inflation pressure. CarCareTool estimates are clearly labelled when an exact verified value is unavailable.

Normal load34 PSI front32 PSI rear

Fully loaded36 PSI front35 PSI rear

Load condition	Front	Rear	Status
Normal	34 PSI	32 PSI	Estimate
Fully loaded	36 PSI	35 PSI	Estimate

Calculate how much air to add

Frequently asked questions about Triumph TR6 PI

These FAQs are generated automatically for this specific vehicle from the specifications, features and ownership data available in CarCareTool. Questions are selected by relevance so the page focuses on details that can actually be answered for this model.

What engine does the Triumph TR6 PI have?

The available source data lists the Triumph TR6 PI engine as 2.5-litre straight-6. Engine availability can differ by model year and market.

What tire pressure should I use for the Triumph TR6 PI?

For the correct setting, use the cold inflation pressure on the vehicle placard or in the owner’s manual. When CarCareTool does not have a verified configuration-specific value, its starting estimate is 34 PSI front and 32 PSI rear for normal load. This is an estimate, not an OEM recommendation.

What is the best engine oil for the Triumph TR6 PI?

There is no single best engine oil for every Triumph TR6 PI configuration. Use the viscosity grade and manufacturer approval specified for the exact engine in the owner’s manual.

What body style is the Triumph TR6 PI?

The Triumph TR6 PI is classified as a 2-door roadster.

What years was the Triumph TR6 PI produced?

The available vehicle record places the Triumph TR6 PI in the 1969–1976 period. Exact availability can vary by market.

What are the dimensions of the Triumph TR6 PI?

The available source data lists length 3950 mm (156 in), width 1550 mm (61.0 in), height 1270 mm (50 in), and wheelbase 2235 mm (88.0 in).

What transmission does the Triumph TR6 PI have?

The available source data lists 4-speed manual all synchromesh with optional overdrive transmission options for the Triumph TR6 PI.

Is the Triumph TR6 PI FWD, RWD or AWD?

The listed drivetrain/layout for the Triumph TR6 PI is FR layout.

Who makes the Triumph TR6 PI?

The manufacturer listed for the Triumph TR6 PI is Triumph (British Leyland).

When was the Triumph TR6 PI produced?

The available source data describes production as 19 September 1968 – 20 July 1976.

How much does the Triumph TR6 PI weigh?

The available source data lists a kerb/curb weight of 1130 kg (2,491 lb). Actual weight can vary with engine, trim and equipment.

Where was the Triumph TR6 PI built?

The available source record lists assembly information as United Kingdom: Coventry.

What class of car is the Triumph TR6 PI?

The Triumph TR6 PI is listed in the Open two-seater class.

Which markets or countries sold the Triumph TR6 PI?

The CarCareTool catalog currently associates the Triumph TR6 PI with NL, NZ. Market availability and specifications can differ.

What came after the Triumph TR6 PI?

The available vehicle data lists Triumph TR7 as a successor where applicable.

What replaced the Triumph TR6 PI?

The available vehicle data lists Triumph TR7 as the successor where applicable.

How often should I check the tire pressure on the Triumph TR6 PI?

Check the tires regularly and before long trips, with the tires cold. Use the vehicle placard or owner’s manual as the source of the manufacturer’s recommended pressure.

Should I use the tire sidewall pressure for the Triumph TR6 PI?

No. The maximum pressure printed on the tire sidewall is not automatically the vehicle’s recommended setting. Use the vehicle placard or owner’s manual for the correct cold inflation pressure.

Does the recommended tire pressure change when the Triumph TR6 PI is fully loaded?

It can. Many vehicles specify a different cold pressure for heavier loads. Check the vehicle placard or owner’s manual for the exact loading condition.

Can the Triumph TR6 PI have different tire pressures front and rear?

Yes. Some vehicles specify different front and rear pressures because axle loads and vehicle configurations differ. Follow the exact vehicle recommendation where available.

Data sources and verification are available in the page editor; exact specifications can vary by year, market, trim and engine.

Triumph TR6 PI images

Vehicle images are shown from the stored source image records when available.