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B777 BTH

1985 Opel Monza

Grey Petrol 2968cc
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MOT Status

Valid
Expires18 Nov 2026
Tests7 (5 pass, 2 fail)
Pass rate71.4%

Mileage

80,371 mi
Last recorded80,371 miles
Recorded on19 Nov 2025
Typical for 1985 Opel Monza89,146 mi

Below or average mileage for this year

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

RegistrationB777 BTH
MakeOpel
ModelMonza
Year1985
ColourGrey
Fuel typePetrol
Engine2,968cc

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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

5 pass 2 fail
Pass 19 Nov 2025 80,371 miles
Pass 30 May 2024 80,173 miles

Integral body structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Nearside Front Coil spring corroded (5.3.1 (b) (i))

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Rear Lower Shock absorbers has a slightly worn bush (5.3.2 (c))

Offside Front Coil spring corroded (5.3.1 (b) (i))

Offside Front Steering arm deformed but serviceable (2.1.3 (c) (i))

Offside Front washer jet weak. but provides enough water on screen.

Offside Rear Lower Shock absorbers has a slightly worn bush (5.3.2 (c))

Fail 30 May 2024 80,173 miles

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Integral body structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Nearside Front Coil spring corroded (5.3.1 (b) (i))

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Rear Lower Shock absorbers has a slightly worn bush (5.3.2 (c))

Offside Front Coil spring corroded (5.3.1 (b) (i))

Offside Front Steering arm deformed but serviceable (2.1.3 (c) (i))

Offside Front washer jet weak. but provides enough water on screen.

Offside Rear Lower Shock absorbers has a slightly worn bush (5.3.2 (c))

Pass 18 May 2023 80,094 miles
Fail 11 Sep 2015 80,085 miles

Brake servo insecurely mounted (3.6.A.2a)

Nearside Front wheel bearing rough when rotated (2.5.A.2)

Nearside Rear rear parking (secondary) brake grabbing severely (3.7.B.6b)

Nearside Registration plate lamp not working (1.1.C.1d)

Offside Rear fog lamp not working (1.3.2b)

Offside Registration plate lamp not working (1.1.C.1d)

Speedometer clearly inoperative (6.7.2)

All 4 tyres deteriorated and beginning to crack.

Corrosion to rear bodywork not within any prescribed areas.

brake disc worn, pitted or scored, but not seriously weakened All 4 brake discs are badly corroded. (3.5.1i)

Pass 4 Sep 2006 75,372 miles

Offside Rear Lower Suspension arm corroded but not seriously weakened (2.4.G.1)

welded repair to chassis at offside rear

Pass 27 Oct 2005 75,225 miles

Front Drag link end ball joint has slight play (2.2.B.1f)

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

How Reliable is the Opel Monza?

Based on 2,604 MOT tests across 334 vehicles.

75.1%
Pass Rate
592
Miles/Year
47
Year Lifespan
334
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 139
brake binding 105
Windscreen wiper does not clear the windscreen effectively 61
Subframe mounting prescribed area is excessively corroded 59
Suspension spring mounting prescribed area is excessively corroded 59
Full Opel Monza reliability report

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B777 BTH is a 1985 Opel Monza in Grey with a 2,968cc petrol engine. This vehicle has been through 7 MOT tests with a personal pass rate of 71.4%.

Across all 1985 Opel Monza models, the average MOT pass rate is 75.5% with a typical mileage of 89,146 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 Opel Monza fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 139 recorded failures. If you're considering buying B777 BTH, it's worth having these areas checked by a mechanic before committing.

The Opel Monza typically stays on UK roads for around 47 years. At 41 years old, this Opel Monza is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of B777 BTH?

You can check the full history of B777 BTH by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B777 BTH registered?

B777 BTH is a 1985 Opel Monza, first registered on 28 January 1985.

Is B777 BTH safe to buy?

The MOT history for B777 BTH shows 7 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B777 BTH 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 B777 BTH. 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.