CarVerify

Free Car Check

J399 BYB

1991 Saab 900

Grey Petrol 1985cc
Search another vehicle

MOT Status

Valid
Expires26 Jul 2027
Tests16 (12 pass, 4 fail)
Pass rate75%

Mileage

134,573 mi
Last recorded134,573 miles
Recorded on27 Jul 2026
Typical for 1991 Saab 900136,403 mi

Below or average mileage for this year

4 checks still locked for this Saab
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationJ399 BYB
MakeSaab
Model900
Year1991
ColourGrey
Fuel typePetrol
Engine1,985cc

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

12 pass 4 fail
Pass 27 Jul 2026 134,573 miles

Corrosion to the off side front inner wheel arch, quite extensive but not considered dangerous

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Offside Front Service brake binding but not excessively (1.2.1 (f))

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

Pass 18 Jul 2025 133,920 miles

Nearside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Fail 10 Jul 2025 133,910 miles

Central Rear Brake hose ferrule excessively corroded (1.1.12 (f) (i))

Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Offside Front Seat belt not functioning as intended (7.1.2 (c))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Nearside Rear Outer Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Passenger's seat insecure (6.2.6 (a) (ii)) DANGEROUS

Nearside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Pass 3 Nov 2022 132,522 miles

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

Rear Upper Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Rear axle and components heavily covered in protective paint

Pass 1 Jun 2021 130,385 miles
Fail 10 Dec 2020 130,364 miles

Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting near suspension arm (6.2.2 (d) (i))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Pass 10 Dec 2019 127,523 miles

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

Pass 17 Dec 2018 120,407 miles

Nearside Front Headlamp reflector slightly defective (4.1.1 (b) (i))

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

Offside Front Headlamp reflector slightly defective (4.1.1 (b) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 1 Dec 2016 115,716 miles

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Fail 24 Nov 2016 115,711 miles

Exhaust has a major leak of exhaust gases (7.1.2)

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

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

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

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

Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

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

Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2)

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

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

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Pass 6 Jul 2015 110,765 miles

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

Oil leak

Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

exhaust rubbers perrished

rear tyres perrishing

Pass 22 Jan 2014 105,873 miles

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

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

Oil leak

Parking brake lever has little reserve travel (3.1.6b)

Pass 8 Nov 2010 101,234 miles

Nearside Front coil spring corroded (2.4.C.1b)

Offside Front coil spring corroded (2.4.C.1b)

Oil leak

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

rear discs slightly pitted

underside of vehicle slightly corroded

Pass 31 Aug 2007 99,285 miles

Offside Front Front constant velocity joint gaiter deteriorated (2.5.C.1a)

Fail 29 Aug 2007 99,248 miles

Offside Rear rear parking brake recording little or no effort (3.7.B.6a)

Parking brake lever has no reserve travel (3.1.6b)

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

Offside Front Front constant velocity joint gaiter deteriorated (2.5.C.1a)

Pass 23 Aug 2006 95,950 miles

Offside Front Front constant velocity joint gaiter deteriorated (2.5.C.1a)

Oil leak

How Reliable is the Saab 900?

Based on 358,142 MOT tests across 40,566 vehicles.

67.7%
Pass Rate
3,962
Miles/Year
39
Year Lifespan
40,566
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 16,771
Parking brake: efficiency below requirements 14,261
Brake hose ferrule excessively corroded 13,034
Exhaust has a major leak of exhaust gases 11,409
position lamp(s) not working 11,155
Full Saab 900 reliability report

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

J399 BYB is a 1991 Saab 900 in Grey with a 1,985cc petrol engine. This vehicle has been through 16 MOT tests with a personal pass rate of 75%.

Across all 1991 Saab 900 models, the average MOT pass rate is 66.9% with a typical mileage of 136,403 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Saab 900 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 16,771 recorded failures. If you're considering buying J399 BYB, it's worth having these areas checked by a mechanic before committing.

The Saab 900 typically stays on UK roads for around 39 years. At 35 years old, this Saab 900 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of J399 BYB?

You can check the full history of J399 BYB by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J399 BYB registered?

J399 BYB is a 1991 Saab 900, first registered on 9 August 1991.

Is J399 BYB safe to buy?

The MOT history for J399 BYB shows 16 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J399 BYB 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 J399 BYB. 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.