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3 ONU

1989 Porsche 911

Black Petrol 3164cc
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MOT Status

Expired
Expires20 Mar 2026
Tests19 (11 pass, 8 fail)
Pass rate57.9%

Mileage

59,918 mi
Last recorded59,918 miles
Recorded on21 Mar 2025
Typical for 1989 Porsche 91183,894 mi

Below or average mileage for this year

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

Registration3 ONU
MakePorsche
Model911
Year1989
ColourBlack
Fuel typePetrol
Engine3,164cc

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

11 pass 8 fail
Pass 21 Mar 2025 59,918 miles
Fail 20 Mar 2025 59,882 miles

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

Exhaust emits dense blue smoke at idle (8.2.1.2 (f))

Offside Windscreen washer provides insufficient washer liquid (3.5 (a))

Fail 27 Nov 2024 59,848 miles

Emissions unable to be completed excessive smoke (8.2.1.2 (d))

Nearside Front Service brake excessively binding (1.2.1 (f))

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

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

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

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

Pass 3 Nov 2023 59,722 miles

Front Suspension arm corroded but not seriously weakened Both suspension arms corroded (5.3.3 (b) (i))

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

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

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Rear Anti-roll bar linkage corroded but not seriously weakened Both rear drop links corroded (5.3.3 (b) (i))

Fail 1 Nov 2023 59,722 miles

Exhaust emissions - engine idle speed too high (8.2.1.2 (e))

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

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

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b))

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

Front Suspension arm corroded but not seriously weakened Both suspension arms corroded (5.3.3 (b) (i))

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

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

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Rear Anti-roll bar linkage corroded but not seriously weakened Both rear drop links corroded (5.3.3 (b) (i))

Pass 25 Nov 2021 59,434 miles

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

washer jets weak

Fail 2 Sep 2020 59,410 miles

Offside Rear Service brake excessively binding or handbrake bind (1.2.1 (f))

Rear Exhaust has a major leak of exhaust gases (6.1.2 (a))

Pass 25 Mar 2019 59,290 miles
Fail 25 Mar 2019 59,290 miles

Offside Headlamp aim too far to the right (4.1.2 (a))

Pass 19 Jun 2017 57,907 miles

Exhaust has a minor leak of exhaust gases on link pipe flange (7.1.2)

Fail 19 Jun 2017 57,907 miles

Exhaust has a minor leak of exhaust gases on link pipe flange (7.1.2)

Nearside Headlamp aim too low (1.8)

Pass 2 Jun 2016 57,327 miles

Exhaust emits blue smoke during acceleration (7.3.A.2c)

Pass 9 May 2015 56,536 miles
Pass 17 May 2014 55,012 miles
Pass 3 May 2013 54,441 miles
Fail 1 May 2013 54,441 miles

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

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

Rear Exhaust has a major leak of exhaust gases (7.1.2)

Pass 24 Mar 2012 53,313 miles

Both rear outer cv boots split

Exhaust starting to emit smoke

Minor leak rear silencer

Pass 7 Jun 2010 46,910 miles
Fail 7 Jun 2010 46,910 miles

Offside Side repeater not working (1.4.A.2c)

How Reliable is the Porsche 911?

Based on 977,057 MOT tests across 73,061 vehicles.

85.2%
Pass Rate
1,867
Miles/Year
47
Year Lifespan
73,061
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 20,869
position lamp(s) not working 7,590
Windscreen washer provides insufficient washer liquid 6,439
Headlamp aim too high 6,432
Brake pipe excessively corroded 5,466
Full Porsche 911 reliability report

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3 ONU is a 1989 Porsche 911 in Black with a 3,164cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 57.9%.

Across all 1989 Porsche 911 models, the average MOT pass rate is 82.6% with a typical mileage of 83,894 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 Porsche 911 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 20,869 recorded failures. If you're considering buying 3 ONU, it's worth having these areas checked by a mechanic before committing.

The Porsche 911 typically stays on UK roads for around 47 years. At 37 years old, this Porsche 911 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of 3 ONU?

You can check the full history of 3 ONU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 3 ONU registered?

3 ONU is a 1989 Porsche 911, first registered on 14 April 1989.

Is 3 ONU safe to buy?

The MOT history for 3 ONU shows 19 tests with a 57.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 3 ONU 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 3 ONU. 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.