CARCARETOOL VEHICLE GUIDE

Jaguar Mark X

Jaguar Mark X — 4-door saloon, 3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964). Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Engine3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964)

Transmission3-speed automatic gearbox; 4-speed manual box with overdrive

About the Jaguar Mark X

Jaguar Mark X is a 4-door saloon in the full-size luxury car (f) class. The available vehicle data lists 3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964) as an engine configuration, paired with 3-speed automatic gearbox; 4-speed manual box with overdrive and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Jaguar Mark X guide focuses on the details drivers commonly want to know, including engine information for 3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964) and 3-speed automatic gearbox; 4-speed manual box with overdrive transmission information. Exact specifications should be matched to the relevant model year and market.

Jaguar Mark X 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	Mark X
Model years	Not specified
Body style	4-door saloon
Vehicle class	Full-size luxury car (F)
Manufacturer	Jaguar Cars
Production	1961–1970 * 3.8 Litre: 13,382 * 4.2 Litre: 5,137 * 420G: 5,763
Market / country	NL, NZ

Engine, transmission and performance

Engine information for the Jaguar Mark X includes 3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964).. Transmission information includes 3-speed automatic gearbox; 4-speed manual box with overdrive.. The listed drivetrain/layout is FR layout.

Engine	3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964)
Transmission	3-speed automatic gearbox; 4-speed manual box with overdrive
Drivetrain / layout	FR layout

Dimensions, weight and practicality

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

Wheelbase	120 in (3,048 mm)
Length	202 in (5,131 mm)
Width	76.3 in (1,938 mm)
Height	54.5 in (1,384 mm)
Kerb / curb weight	4200 lb

Jaguar Mark X other specifications

Image	File:Mk10Jaguar.jpg
Caption	Jaguar Mark X
Name	Jaguar Mark X & 420G
Sp	uk

Jaguar Mark X 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
Jaguar Mark X & 420G	1961–1970 * 3.8 Litre: 13,382 * 4.2 Litre: 5,137 * 420G: 5,763	3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964)	3-speed automatic gearbox; 4-speed manual box with overdrive	FR layout

TIRE PRESSURE

Recommended tire pressure for Jaguar Mark X

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 Mark X

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 Jaguar Mark X have?

The available source data lists the Jaguar Mark X engine as 3781 cc XK I6 (until 1965)4235 cc XK I6 (from 1964). Engine availability can differ by model year and market.

What tire pressure should I use for the Jaguar Mark X?

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 Mark X?

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

What body style is the Jaguar Mark X?

The Jaguar Mark X is classified as a 4-door saloon.

What are the dimensions of the Jaguar Mark X?

The available source data lists length 202 in (5,131 mm), width 76.3 in (1,938 mm), height 54.5 in (1,384 mm), and wheelbase 120 in (3,048 mm).

What transmission does the Jaguar Mark X have?

The available source data lists 3-speed automatic gearbox; 4-speed manual box with overdrive transmission options for the Jaguar Mark X.

Is the Jaguar Mark X FWD, RWD or AWD?

The listed drivetrain/layout for the Jaguar Mark X is FR layout.

Who makes the Jaguar Mark X?

The manufacturer listed for the Jaguar Mark X is Jaguar Cars.

When was the Jaguar Mark X produced?

The available source data describes production as 1961–1970 * 3.8 Litre: 13,382 * 4.2 Litre: 5,137 * 420G: 5,763.

How much does the Jaguar Mark X weigh?

The available source data lists a kerb/curb weight of 4200 lb. Actual weight can vary with engine, trim and equipment.

Where was the Jaguar Mark X built?

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

What class of car is the Jaguar Mark X?

The Jaguar Mark X is listed in the Full-size luxury car (F) class.

Which markets or countries sold the Jaguar Mark X?

The CarCareTool catalog currently associates the Jaguar Mark X with NL, NZ. Market availability and specifications can differ.

What came after the Jaguar Mark X?

The available vehicle data lists Jaguar XJ6 (smaller) as a successor where applicable.

What replaced the Jaguar Mark X?

The available vehicle data lists Jaguar XJ6 (smaller) as the successor where applicable.

What cars are related to the Jaguar Mark X?

The available source data identifies related models as Daimler DS420. Relationships can vary by market and generation.

How often should I check the tire pressure on the Jaguar Mark X?

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 Mark X?

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 Mark X 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 Mark X 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.

Jaguar Mark X images

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