CARCARETOOL VEHICLE GUIDE

Triumph TR4A Irs

Triumph TR4A Irs — 2-door open two-seater, 2138 cc I4. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Engine2138 cc I4

Transmission4-speed manual

About the Triumph TR4A Irs

Triumph TR4A Irs is a 2-door open two-seater in the sports car class. The available vehicle data lists 2138 cc I4 as an engine configuration, paired with 4-speed manual and a Front engine, rear wheel drive layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Triumph TR4A Irs guide focuses on the details drivers commonly want to know, including engine information for 2138 cc I4 and 4-speed manual transmission information. Exact specifications should be matched to the relevant model year and market.

Triumph TR4A Irs 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	TR4A Irs
Model years	Not specified
Body style	2-door open two-seater
Vehicle class	Sports car
Manufacturer	Triumph Motor Company
Production	1965–1967
Market / country	FI, NL

Engine, transmission and performance

Engine information for the Triumph TR4A Irs includes 2138 cc I4.. Transmission information includes 4-speed manual.. The listed drivetrain/layout is Front engine, rear wheel drive.

Engine	2138 cc I4
Transmission	4-speed manual
Drivetrain / layout	Front engine, rear wheel drive

Dimensions, weight and practicality

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

Wheelbase	2235 mm (88.0 in)
Length	3962 mm (156 in)
Width	1473 mm (58.0 in)
Height	1270 mm (50 in)
Kerb / curb weight	1016 kg (2,240 lb)

Triumph TR4A Irs other specifications

Sp	uk
Image	Triumph TR4A (1967) – 19846986344.jpg
Name	Triumph TR4A

Triumph TR4A Irs 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 TR4A	1965–1967	2138 cc I4	4-speed manual	Front engine, rear wheel drive

TIRE PRESSURE

Recommended tire pressure for Triumph TR4A Irs

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 TR4A Irs

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 TR4A Irs have?

The available source data lists the Triumph TR4A Irs engine as 2138 cc I4. Engine availability can differ by model year and market.

What tire pressure should I use for the Triumph TR4A Irs?

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 TR4A Irs?

There is no single best engine oil for every Triumph TR4A Irs configuration. Use the viscosity grade and manufacturer approval specified for the exact engine in the owner’s manual.

What body style is the Triumph TR4A Irs?

The Triumph TR4A Irs is classified as a 2-door open two-seater.

What are the dimensions of the Triumph TR4A Irs?

The available source data lists length 3962 mm (156 in), width 1473 mm (58.0 in), height 1270 mm (50 in), and wheelbase 2235 mm (88.0 in).

What transmission does the Triumph TR4A Irs have?

The available source data lists 4-speed manual transmission options for the Triumph TR4A Irs.

Is the Triumph TR4A Irs FWD, RWD or AWD?

The listed drivetrain/layout for the Triumph TR4A Irs is Front engine, rear wheel drive.

Who makes the Triumph TR4A Irs?

The manufacturer listed for the Triumph TR4A Irs is Triumph Motor Company.

When was the Triumph TR4A Irs produced?

The available source data describes production as 1965–1967.

How much does the Triumph TR4A Irs weigh?

The available source data lists a kerb/curb weight of 1016 kg (2,240 lb). Actual weight can vary with engine, trim and equipment.

Where was the Triumph TR4A Irs built?

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

What class of car is the Triumph TR4A Irs?

The Triumph TR4A Irs is listed in the Sports car class.

Which markets or countries sold the Triumph TR4A Irs?

The CarCareTool catalog currently associates the Triumph TR4A Irs with FI, NL. Market availability and specifications can differ.

What came after the Triumph TR4A Irs?

The available vehicle data lists Triumph TR5/TR250 as a successor where applicable.

What replaced the Triumph TR4A Irs?

The available vehicle data lists Triumph TR5/TR250 as the successor where applicable.

How often should I check the tire pressure on the Triumph TR4A Irs?

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 TR4A Irs?

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 TR4A Irs 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 TR4A Irs 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.

Why can mileage differ from the published figure for the Triumph TR4A Irs?

Published fuel economy is measured under a defined test method. Real-world mileage can vary with traffic, speed, temperature, tire pressure, payload, maintenance and driving style.

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

Triumph TR4A Irs images

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