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SLO 420R

1977 Jaguar Xjs

Green Petrol 5343cc
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MOT Status

Valid
Expires16 Jul 2027
Tests13 (7 pass, 6 fail)
Pass rate53.8%

Mileage

86,250 mi
Last recorded86,250 miles
Recorded on17 Jun 2026
Typical for 1977 Jaguar Xjs49,976 mi

Significantly above average — investigate

4 checks still locked for this Jaguar
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationSLO 420R
MakeJaguar
ModelXjs
Year1977
ColourGreen
Fuel typePetrol
Engine5,343cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

7 pass 6 fail
Pass 17 Jun 2026 86,250 miles
Pass 17 Jul 2025 85,863 miles

Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Oil leak, but not excessive engine (8.4.1 (a) (i))

Power steering pipe/hose has slight seepage (2.1.5 (a))

Pass 28 Feb 2023 85,842 miles

Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Fail 22 Feb 2023 85,842 miles

Driver's view of the road through the swept area of the windscreen significantly affected by an obstruction wiper arms (3.1 (a) (ii))

Nearside Headlamp aim too high (4.1.2 (a))

Nearside Headlamp insecure (4.1.1 (c))

Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Fail 10 Jun 2019 85,760 miles

Nearside Headlamp aim too high (4.1.2 (a))

Offside Headlamp aim too high (4.1.2 (a))

Nearside Rear Lower Suspension arm pin or bush worn but not resulting in excessive movement both bushes (5.3.4 (a) (i))

Nearside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Offside Rear Brake pipe corroded, covered in grease or other material corroded (1.1.11 (c))

Offside Rear Lower Suspension arm pin or bush worn but not resulting in excessive movement both bushes (5.3.4 (a) (i))

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Pass 18 Jul 2017 85,678 miles

Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Rear Trailing arm rubber bush deteriorated but not resulting in excessive movement both bushes (2.4.G.2)

Offside Rear Trailing arm rubber bush deteriorated but not resulting in excessive movement both bushes (2.4.G.2)

Rear Brake pipe slightly corroded front to rear (3.6.B.2c)

Pass 5 May 2016 85,654 miles

Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Rear Trailing arm rubber bush deteriorated but not resulting in excessive movement all (2.4.G.2)

Fail 24 Feb 2016 85,631 miles

Battery insecure (1.9.1)

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

Nearside Front Brake pipe excessively corroded (3.6.B.2c)

Nearside Front Upper Shock absorber has an excessively worn bush (2.7.4)

Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Brake pipe excessively corroded (3.6.B.2c)

Offside Power steering component(s) leaking steering rack (2.3.3b)

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Front Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement all (2.4.G.2)

Nearside Rear Trailing arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Rear Trailing arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 2 Apr 2008 85,207 miles
Fail 27 Mar 2008 85,203 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Fail 14 Mar 2008 85,203 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Nearside Front Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Windscreen wiper does not clear the windscreen effectively (8.2.2)

Pass 6 Mar 2006 84,870 miles
Fail 2 Mar 2006 84,867 miles

Offside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d)

Parking brake: efficiency below requirements (3.7.B.7)

How Reliable is the Jaguar Xjs?

Based on 127,020 MOT tests across 12,009 vehicles.

74.2%
Pass Rate
540
Miles/Year
44
Year Lifespan
12,009
On UK Roads

Top MOT Failure Points

Parking brake: efficiency below requirements 5,735
Suspension component mounting prescribed area is excessively corroded 4,722
brake binding 4,089
Seat belt anchorage prescribed area is excessively corroded 3,050
parking brake recording little or no effort 3,046
Full Jaguar Xjs reliability report

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SLO 420R is a 1977 Jaguar Xjs in Green with a 5,343cc petrol engine. This vehicle has been through 13 MOT tests with a personal pass rate of 53.8%.

Across all 1977 Jaguar Xjs models, the average MOT pass rate is 76.7% with a typical mileage of 49,976 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Jaguar Xjs fails its MOT is parking brake: efficiency below requirements, accounting for 5,735 recorded failures. If you're considering buying SLO 420R, it's worth having these areas checked by a mechanic before committing.

The Jaguar Xjs typically stays on UK roads for around 44 years. At 49 years old, this Jaguar Xjs is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of SLO 420R?

You can check the full history of SLO 420R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SLO 420R registered?

SLO 420R is a 1977 Jaguar Xjs, first registered on 1 March 1977.

Is SLO 420R safe to buy?

The MOT history for SLO 420R shows 13 tests with a 53.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SLO 420R have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on SLO 420R. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.