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S121 JAG

1999 Jaguar S-type

Blue Petrol 3996cc
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MOT Status

Valid
Expires18 Dec 2026
Tests26 (21 pass, 5 fail)
Pass rate80.8%

Mileage

129,231 mi
Last recorded129,231 miles
Recorded on19 Dec 2025
Typical for 1999 Jaguar S-type86,446 mi

Significantly above average — investigate

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

RegistrationS121 JAG
MakeJaguar
ModelS-type
Year1999
ColourBlue
Fuel typePetrol
Engine3,996cc

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

21 pass 5 fail
Pass 19 Dec 2025 129,231 miles
Pass 19 Dec 2025 129,230 miles

Fluid leak, but not excessive coolant (8.4.1 (a) (i))

Offside Front Upper Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Fail 17 Oct 2025 129,211 miles

Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Rear Suspension arm ball joint dust cover no longer prevents the ingress of dirt both sides lower arms outer joint (5.3.4 (b) (ii))

Coolant leak ()

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

corrosion built up along the underside of the vehicle

Pass 26 Sep 2024 127,791 miles
Pass 3 Oct 2023 126,612 miles
Pass 10 Oct 2022 125,338 miles
Pass 12 Oct 2021 124,232 miles
Pass 15 Oct 2020 123,047 miles
Fail 14 Oct 2020 123,047 miles

Offside Track rod end ball joint has excessive play (2.1.3 (b) (i))

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 12 Sep 2019 121,521 miles

Offside Track rod end ball joint has slight play (2.1.3 (b) (i))

Pass 2 Oct 2018 119,887 miles
Fail 10 Aug 2018 119,874 miles

Offside Rear Outer Subframe mounting prescribed area excessively corroded significantly reducing structural strength sill section behind sill trim (5.3.6 (a) (i))

Rear Sub-frame corroded to the extent that the rigidity of the assembly is significantly reduced both sides between upper arm mounts (6.1.1 (c) (i))

Pass 22 Aug 2017 118,072 miles
Fail 16 Aug 2017 117,931 miles

Offside Front Shock absorber has an excessively worn bush (2.7.4)

Pass 1 Aug 2016 113,116 miles

Rear Tyre worn close to the legal limit both sides (4.1.E.1)

Pass 3 Aug 2015 110,924 miles
Pass 13 Aug 2014 106,558 miles
Pass 21 Aug 2013 103,451 miles
Pass 15 Aug 2012 99,700 miles
Pass 26 Jul 2011 94,950 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 16 Aug 2010 90,007 miles
Pass 21 Aug 2009 85,757 miles
Fail 20 Aug 2009 85,757 miles

Nearside Front Anti-roll bar linkage has excessive play in a pin/bush (2.4.G.2)

Offside Rear Lower Suspension arm has excessive play in a pin/bush (2.4.G.2)

Pass 18 Aug 2008 79,531 miles

Offside Rear Lower Shock absorber has a slightly worn bush (2.7.4)

Pass 20 Aug 2007 72,019 miles
Pass 22 Aug 2006 63,561 miles

Rear Brake pad(s) wearing thin (3.5.1g)

How Reliable is the Jaguar S-type?

Based on 942,176 MOT tests across 62,116 vehicles.

74.5%
Pass Rate
4,736
Miles/Year
27
Year Lifespan
62,116
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 43,168
Brake pipe excessively corroded 20,758
Windscreen wiper does not clear the windscreen effectively 19,128
Brake pad(s) less than 1.5 mm thick 17,876
Parking brake: efficiency below requirements 16,617
Full Jaguar S-type reliability report

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S121 JAG is a 1999 Jaguar S-type in Blue with a 3,996cc petrol engine. This vehicle has been through 26 MOT tests with a personal pass rate of 80.8%.

Across all 1999 Jaguar S-type models, the average MOT pass rate is 70.8% with a typical mileage of 86,446 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Jaguar S-type fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 43,168 recorded failures. If you're considering buying S121 JAG, it's worth having these areas checked by a mechanic before committing.

The Jaguar S-type typically stays on UK roads for around 27 years. At 27 years old, this Jaguar S-type is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of S121 JAG?

You can check the full history of S121 JAG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S121 JAG registered?

S121 JAG is a 1999 Jaguar S-type, first registered on 20 September 1999.

Is S121 JAG safe to buy?

The MOT history for S121 JAG shows 26 tests with a 80.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S121 JAG 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 S121 JAG. 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.