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D400 UNJ

1986 Caterham Seven (S3)

Yellow Petrol 1691cc
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MOT Status

Valid
Expires26 May 2027
Tests15 (12 pass, 3 fail)
Pass rate80%

Mileage

89,182 mi
Last recorded89,182 miles
Recorded on27 May 2026
Typical for 1986 Caterham Seven (S3)18,167 mi

Significantly above average — investigate

4 checks still locked for this Caterham
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Finance
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Vehicle Details

RegistrationD400 UNJ
MakeCaterham
ModelSeven (S3)
Year1986
ColourYellow
Fuel typePetrol
Engine1,691cc

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 3 fail
Pass 27 May 2026 89,182 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

Vehicle underside framework and structure slightly corroded

Pass 14 May 2025 88,661 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))

Fail 10 Apr 2025 88,634 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Horn sound not in accordance with requirements (7.7 (c))

Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))

Offside Rear Service brake excessively binding (1.2.1 (f))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen both (3.5 (a))

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))

Pass 22 Mar 2023 88,610 miles
Pass 23 Nov 2021 87,970 miles
Pass 24 Nov 2020 87,962 miles

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

Offside Rear Rear fog lamp lens defective which has no effect on emitted light (4.5.1 (b) (i))

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Pass 17 May 2019 87,434 miles

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

Nearside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Fail 17 May 2019 87,434 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

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

Nearside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Pass 26 Sep 2014 87,340 miles

Nearside Front wheel bearing has slight play (2.5.A.3c)

Offside Rear Shock absorber has a light misting of oil (2.7.3)

rear exhaust mount broken

Pass 18 Aug 2011 86,780 miles

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Pass 2 Jun 2010 86,667 miles

advise both rear shock absorbers slight oil leak

advise slight play n/s front wheel bearing

Fail 18 May 2010 86,663 miles

Hazard warning switch faulty (1.4.B.1d)

Offside Headlamp aim too low (1.8)

Nearside Front wheel bearing has slight play (2.5.A.3c)

Nearside Rear Shock absorber has a light misting of oil (2.7.3)

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Pass 26 Aug 2009 85,744 miles

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Pass 11 Feb 2008 83,593 miles
Pass 13 Dec 2006 80,800 miles

How Reliable is the Caterham Seven (S3)?

Based on 32,485 MOT tests across 2,453 vehicles.

86.1%
Pass Rate
613
Miles/Year
55
Year Lifespan
2,453
On UK Roads

Top MOT Failure Points

Stop lamp not working 476
Steering rack gaiter split 309
Tyre tread depth below requirements of 1.6mm 206
Parking brake: efficiency below requirements 188
Exhaust emissions carbon monoxide content after 2nd fast idle excessive 185
Full Caterham Seven (S3) reliability report

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D400 UNJ is a 1986 Caterham Seven (S3) in Yellow with a 1,691cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 80%.

Across all 1986 Caterham Seven (S3) models, the average MOT pass rate is 84.5% with a typical mileage of 18,167 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 Caterham Seven (S3) fails its MOT is stop lamp not working, accounting for 476 recorded failures. If you're considering buying D400 UNJ, it's worth having these areas checked by a mechanic before committing.

The Caterham Seven (S3) typically stays on UK roads for around 55 years. At 40 years old, this Caterham Seven (S3) is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of D400 UNJ?

You can check the full history of D400 UNJ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was D400 UNJ registered?

D400 UNJ is a 1986 Caterham Seven (S3), first registered on 1 August 1986.

Is D400 UNJ safe to buy?

The MOT history for D400 UNJ shows 15 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does D400 UNJ 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 D400 UNJ. 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.