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  1. CarParc
  2. Makes
  3. Jaguar
  4. 420
Jaguar logo

Jaguar 420

360 on UK roads in 2025-6 vs 2024

On the road

360

360 licensed

Change vs 2024

-1.6%

-6 cars

New in 2025

0

first-time registrations

Electrified

0%

hybrid, plug-in & battery

The Jaguar 420 is a rare sight on UK roads, with 360 licensed in 2025 - down 1.6% on 2024. None were registered new in 2025, so the fleet can only shrink as cars are retired. The fleet is overwhelmingly petrol (99%), with most in the Over 3.0L class. Most date from the Before 2000 era.

How many are left?

Licensed Jaguar 420 cars on the road over time

New registrations

First-time registrations per year

What the typical Jaguar 420 looks like

Fuel, engine size and age across every Jaguar 420 on the road today.

Fuel mix

Current split

360total
  • Petrol99.4%
  • Diesel0.3%
  • Other0.3%

Engine size

Cars on the road by engine capacity

  • 2.0-3.0L1
  • Over 3.0L359

How old are they?

Share of cars by the year they were first registered

  • Before 2000100%

MOT & reliability

2025 MOT data

How a Jaguar 420 holds up at its MOT and how it's driven - from 29 tests, tracked across 2022-2025.

First-time pass rate

Average for its class

96.4%

29 MOT tests in 2025 · 28 first-time

Pass rate over time

2022

92.9%

2023

82.8%

2024

84.4%

2025

96.4%

▲ 3.5 pts since 2022

Pass rate by age

First-time pass rate by the car's age (tested in 2025)

Too new for an age breakdown - most haven't reached MOT age (3 years) yet, so there isn't enough history to chart.

How a Jaguar 420 is driven

tracked across 2022-25

How much it's driven

miles a year, from 31 cars tracked across years

LowHigh
662miles a year · low use

100%

low · <5k

0%

avg · 5-15k

0%

high · 15k+

Most cover 221-841 miles a year (median 435).

Miles driven by age

Yearly mileage as the car ages

Driven most when newer, easing as it gets older.

Mileage & condition

Typical mileage at test

Odometer when tested (2025)

44,275
14,066middle 50%: 23,127-68,79481,225

Typical odometer rising: 48,442 → 51,973 → 44,972 → 44,275

Holds up by mileage

Pass rate as the odometer climbs

Under 40k
100%
40-80k
88.9%
80-120k
100%

Petrol vs diesel

First-time pass rate by fuel

Not enough data.

A 2025 Jaguar 420 passes first time 96.4% of the time - above the 77.6% UK average. The typical one is driven about 662 miles a year, and reliability is mostly about miles: 100% of low-mileage cars pass versus 100% past 120k.

Why a 420 fails its MOT

2025 MOT data

Of 1 first-time fails, here's what gets flagged most. Most cars fail on more than one item, so shares add up past 100%.

Where a 420 fails

Share of failed tests, by area

Visibility100%
Suspension100%
Steering100%
Lamps & electrical100%

Top specific defects

Exact items most often recorded as the reason a car failed

Lamp not securely attached1
Windscreen washers not working or not providing sufficient fluid to clear the windscreen1
A stop lamp switch with a delay in operation1
The aim of a headlamp is not within limits laid down in the requirements1
A spring or spring component fractured or seriously weakened1
Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing1
0% flagged dangerous·7 defects per fail·1 fails analysed

Jaguar 420 - frequently asked

How many Jaguar 420 are left in the UK?
There are 360 Jaguar 420 cars still licensed on UK roads in 2025, down 1.6% on 2024.
How many new Jaguar 420 were registered in 2025?
None were registered new in 2025, so the number on the road can only shrink as older cars are retired.
What fuel does the typical Jaguar 420 use?
Most are petrol - about 99% of all Jaguar 420 on the road, with the majority in the Over 3.0L engine class. In total, 0% are electrified (hybrid, plug-in or battery).
How old is the typical Jaguar 420?
Most Jaguar 420 cars on the road today date from the Before 2000 era.
How reliable is the Jaguar 420?
96.4% of Jaguar 420 cars pass their MOT first time, compared with a UK average of 77.6% across all cars. The typical tested Jaguar 420 has around 34,449 miles on the clock.

Buying a Jaguar 420?

Before you buy a specific Jaguar 420, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.

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