CARCARETOOL VEHICLE GUIDE

Jaguar XK120

Jaguar XK120 — open two-seater2-seat fixed head coupé2-seat drophead coupé, 3.4 L ''XK'' I6. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Engine3.4 L ''XK'' I6

Transmission4-speed manual

About the Jaguar XK120

Jaguar XK120 is a open two-seater2-seat fixed head coupé2-seat drophead coupé in the sports car class. The available vehicle data lists 3.4 L ''XK'' I6 as an engine configuration, paired with 4-speed manual and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Jaguar XK120 guide focuses on the details drivers commonly want to know, including engine information for 3.4 L ''XK'' I6 and 4-speed manual transmission information. Exact specifications should be matched to the relevant model year and market.

Jaguar XK120 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	XK120
Model years	Not specified
Body style	open two-seater2-seat fixed head coupé2-seat drophead coupé
Vehicle class	Sports car
Manufacturer	Jaguar Cars
Production	1948–195412,055 made
Market / country	FI, NL, NZ

Engine, transmission and performance

Engine information for the Jaguar XK120 includes 3.4 L ''XK'' I6.. Transmission information includes 4-speed manual.. The listed drivetrain/layout is FR layout.

Engine	3.4 L ''XK'' I6
Transmission	4-speed manual
Drivetrain / layout	FR layout

Dimensions, weight and practicality

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

Wheelbase	102 in (2,591 mm)
Length	173 in (4,394 mm)
Width	61.5 in (1,562 mm)
Height	52.5 in (1,334 mm)

Jaguar XK120 other specifications

Image	1950 Jaguar XK120 Open Two-Seater Classic-Gala 2025 DSC 0976.jpg
Caption	Jaguar XK120 open 2-seater
Name	Jaguar XK120

Jaguar XK120 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 XK120	1948–195412,055 made	3.4 L ''XK'' I6	4-speed manual	FR layout

TIRE PRESSURE

Recommended tire pressure for Jaguar XK120

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 Jaguar XK120

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 XK120 have?

The available source data lists the Jaguar XK120 engine as 3.4 L ''XK'' I6. Engine availability can differ by model year and market.

What tire pressure should I use for the Jaguar XK120?

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 Jaguar XK120?

There is no single best engine oil for every Jaguar XK120 configuration. Use the viscosity grade and manufacturer approval specified for the exact engine in the owner’s manual.

What body style is the Jaguar XK120?

The Jaguar XK120 is classified as a open two-seater2-seat fixed head coupé2-seat drophead coupé.

What are the dimensions of the Jaguar XK120?

The available source data lists length 173 in (4,394 mm), width 61.5 in (1,562 mm), height 52.5 in (1,334 mm), and wheelbase 102 in (2,591 mm).

What transmission does the Jaguar XK120 have?

The available source data lists 4-speed manual transmission options for the Jaguar XK120.

Is the Jaguar XK120 FWD, RWD or AWD?

The listed drivetrain/layout for the Jaguar XK120 is FR layout.

Who makes the Jaguar XK120?

The manufacturer listed for the Jaguar XK120 is Jaguar Cars.

When was the Jaguar XK120 produced?

The available source data describes production as 1948–195412,055 made.

Where was the Jaguar XK120 built?

The available source record lists assembly information as United Kingdom: Holbrook Lane, Coventry (1948–1951)United Kingdom: Browns Lane, Coventry (1951–1954).

What class of car is the Jaguar XK120?

The Jaguar XK120 is listed in the Sports car class.

Which markets or countries sold the Jaguar XK120?

The CarCareTool catalog currently associates the Jaguar XK120 with FI, NL, NZ. Market availability and specifications can differ.

What came after the Jaguar XK120?

The available vehicle data lists Jaguar XK140 as a successor where applicable.

What replaced the Jaguar XK120?

The available vehicle data lists Jaguar XK140 as the successor where applicable.

What cars are related to the Jaguar XK120?

The available source data identifies related models as Jaguar C-Type. Relationships can vary by market and generation.

How often should I check the tire pressure on the Jaguar XK120?

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 XK120?

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 XK120 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 XK120 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 XK120?

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 XK120 images

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