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Jaguar Mark X
aka Mark Ten, Mk X, Mk 10
Production 3.8 Liter (1961-1964): 12,678
4.2 Liter (1965-1967): 5,680
Class Luxury
Body Style 4-door, 5-seat Sedan/Saloon
Length 16 ft, 10 in
Width 6 ft, 4 in
Height 4 ft, 6 in
Wheelbase 10 ft
Weight 3500 lb
Transmission Automatic or Manual overdrive
Engine 3.8 litre Inline-6
4.2 litre Inline-6
Power N/A hp @ N/A rpm
N/A lb-ft of torque @ N/A rpm
Similar similar (competition)
Designer William Lyons

The Jaguar Mark X (10) replaced the Mark IX and was a evolution in the Jaguar sports / luxury brand. The car was low, sleek, stylish, comfortable and incorporated some of the most advanced features such as use of the monococque as opposed to the Mk IX's separate chassis arrangement. The car was initially offered with the enormously popular and respected 3.8 Litre straight 6, the very same engine which had powered some of Jaguars competition cars to success in the Le Mans Races. The most noticeable feature of this car was it's gargantuan proportions, it was designed to appeal to the American market and the US drivers preferred the larger car. This Jaguar still holds the record for being the widest ever production car produced in the UK.

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Recent Changes

This model was rebadged as the Jaguar 420G in the late 60's and continued in production alongside the Mark 2, S-Type, E-Type and was phased out once the XJ6 became established. As the 420G it had the 4.2 Litre straight 6 engine only. Externally, the 420G could be told apart from the Mk 10 by a chromed sidestrip and a vertical strip at the centre of the grille, the top of the dashboard had a padded roll with an integrated clock.

Styles and Major Options

The Mk 10 was available with the 3.8 Litre engine initially. A 3-speed automatic gearbox was offered, (and mainly chosen), although some customers opted for the 4-speed manual box with overdrive. The 4.2 Litre straight-6 became available and shortly after the car was re-badged as the Jaguar 420G, (the 'G' reputedly standing for Grand and helping to differentiate this model from the Jaguar 420). Some Limousine versions were produced with division to the passenger compartment and cocktail cabinets / tv available. There were some specialist conversions which included stretched limousines and 2-door convertibles. The standard car was supplied well trimmed with leather and walnut as you would expect of a car of this marque at this time, the seating arrangement was extremely capacious and comfortable, there were walnut faced picnic tables for the rear passengers. Extras when purchasing would have included, seatbelts, electric windows, folding sunroof, stereo system, etc.


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Trim1 Trim2 Trim3 Trim4
$Price1 $Price2 $Price3 $Price4
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Gas Mileage

The car was designed in an era when fuel economy was no more than a perfunctory consideration. The designer worried more about range, if the car was not good on fuel you just increased the size of the fuel tank! The best you would hope for would be approximately 25mpg on a run. Driving the car hard at above motorway speeds the fuel consumption would easily fall into single figures, perhaps only 7 or 8mpg

As seen on the website, the City/Highway MPG averages are as follows:

Trim1 Trim2 Trim3 Trim4
c/h c/h c/h c/h

Engine and Transmission

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See Also


Tata Group

Tata Motors | Jaguar | Land Rover | Hispano Carrocera SA | Tata Daewoo Commercial Vehicle | Daewoo Bus

Current Models: XF (R) · XJ (R) · XK (R)

Historic Models: X-Type · E-Type · XJS · XKSS · XK120 · XK140 · XK150 · XJ220 · 240 · 340 · Mk. VII · Mk. VIII · Mk. IX · Mk. X · Mk. V · Mk. IV · Mark 2 · Mark 1 · 3.5 Litre · 2.5 Litre · 1.5 Litre · S-Type (1963-1968) · 420 · S-Type · SS100 · XJR-15

Concept Cars: C-XF · R-Coupe · RD-6 · Fuore XF 10 · Pirana Concept · XK180 Concept · F-Type Concept · XK-RR Concept · XK-RS Concept · Concept Eight · XJ Limo Green Hybrid Study Concept · XJ75 Platinum Concept · C-X75 Concept

One-Offs: XJ13

Racing Vehicles: C-Type · D-Type · XJR-5 · XJR-6 · XJR-7 · XJR-8 · XJR-9 · XJR-10 · XJR-11 · XJR-12 · XJR-14 · XJR-16 · XJR-17 · XJ-S · R1 · R2 · R3 · R4 · R5 · XKR GT3 · XKR GT2 · RSR XKR GT

Daimler Corsica Concept

Sir William Lyons Corporate website A brand of the Tata Group

External Links

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