CARCARETOOL VEHICLE GUIDE

Jaguar Mk I

Jaguar Mk I — sedan. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

About the Jaguar Mk I

Jaguar Mk I is a sedan in the sedan class. The guide brings together the vehicle information currently available for this model. Public source material describes the model in the context of its design, market positioning and vehicle history.

This guide is designed to answer practical questions about the Jaguar Mk I, including its specifications, engine, fuel economy, tires, maintenance and ownership details.

Jaguar Mk I specifications at a glance

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

Make	Jaguar
Model	Mk I
Model years	Not specified
Body style	sedan
Vehicle class	sedan
Manufacturer	Jaguar
Market / country	FI, NL, NZ

Jaguar Mk I features and equipment

Features shown below are tied to the available source material for this model. Equipment can vary by year, trim and market.

Standard or documented features

✓At a press conference on 11 July 1965 at the Great Eastern Hotel in London, Lyons and BMC chairman George Harriman announced, "Jaguar Group of companies is to merge with The British Motor Corporation Ltd., as the first step towards the setting up of a joint holding company to be called British Motor (Holdings) Limited"

✓A combination of poor decision making by the board along with the financial difficulties of

✓especially, the Austin-Morris division (previously BMC) led to the Ryder Report and to effective nationalisation in 1975

✓Installed as chairman in 1980, Sir John Egan is credited for Jaguar's unprecedented prosperity immediately after privatisation

✓In early 1986 Egan reported he had tackled the main problems that were holding Jaguar back from selling more cars: quality control, lagging delivery schedules, poor productivity

✓However, Ford (as well as representatives of Unite) would now be able to enter into detailed discussions with Tata concerning issues ranging from labour concerns (job security and pensions), technology (IT systems and engine production) and intellectual property, as well as the final sale price

✓The consequence was that Jaguar Land Rover Limited became responsible in the UK for the design, manufacture and marketing of both Jaguar and Land Rover products

✓The holding company detailed its plans to downsize Jaguar into a lower volume manufacturer, competing closer to the likes of Bentley and Porsche

✓On 19 November 2024, Jaguar unveiled an advertisement showcasing its new logo and branding ahead of its relaunch in 2026 as an electric-only marque

✓On 4 December 2024, Jaguar revealed the Type 00 concept car at Miami Art Week, a non-production model which showcases the brand's design direction for its future electric cars

TIRE PRESSURE

Recommended tire pressure for Jaguar Mk I

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 load32 PSI front30 PSI rear

Fully loaded34 PSI front33 PSI rear

Load condition	Front	Rear	Status
Normal	32 PSI	30 PSI	Estimate
Fully loaded	34 PSI	33 PSI	Estimate

Calculate how much air to add

Frequently asked questions about Jaguar Mk I

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 tire pressure should I use for the Jaguar Mk I?

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 32 PSI front and 30 PSI rear for normal load. This is an estimate, not an OEM recommendation.

What is the best engine oil for the Jaguar Mk I?

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

What body style is the Jaguar Mk I?

The Jaguar Mk I is classified as a sedan.

Who makes the Jaguar Mk I?

The manufacturer listed for the Jaguar Mk I is Jaguar.

What class of car is the Jaguar Mk I?

The Jaguar Mk I is listed in the sedan class.

Which markets or countries sold the Jaguar Mk I?

The CarCareTool catalog currently associates the Jaguar Mk I with FI, NL, NZ. Market availability and specifications can differ.

How often should I check the tire pressure on the Jaguar Mk I?

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 Jaguar Mk I?

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 Jaguar Mk I 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 Jaguar Mk I 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 Jaguar Mk I?

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.

Jaguar Mk I images

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