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NK51 UCY

2001 Dennis Unknown

Red Diesel 8268cc
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MOT Status

Valid
Expires5 Oct 2026
Tests4 (2 pass, 2 fail)
Pass rate50%

Mileage

162,959 mi
Last recorded162,959 miles
Recorded on6 Oct 2025
Typical for 2001 Dennis Unknown169,560 mi

Below or average mileage for this year

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

RegistrationNK51 UCY
MakeDennis
ModelUnknown
Year2001
ColourRed
Fuel typeDiesel
Engine8,268cc

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

2 pass 2 fail
Pass 6 Oct 2025 162,959 miles
Fail 6 Oct 2025 162,952 miles

Service brake efficiency below requirements (1.2.2 (a) (i))

Pass 9 Apr 2021 162,771 miles
Fail 24 Mar 2021 162,767 miles

Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i))

Offside Headlamp aim too low (4.1.2 (a))

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

Rear Braking system leaking (1.1.3 (d))

How Reliable is the Dennis Unknown?

Based on 1,061 MOT tests across 474 vehicles.

81.4%
Pass Rate
1,406
Miles/Year
25
Year Lifespan
474
On UK Roads

Top MOT Failure Points

outline marker lamp(s) not working 6
Service brake: efficiency below requirements 6
position lamp(s) not working 6
Full Dennis Unknown reliability report

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NK51 UCY is a 2001 Dennis Unknown in Red with a 8,268cc diesel engine. This vehicle has been through 4 MOT tests with a personal pass rate of 50%.

Across all 2001 Dennis Unknown models, the average MOT pass rate is 75.8% with a typical mileage of 169,560 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 Dennis Unknown fails its MOT is outline marker lamp(s) not working, accounting for 6 recorded failures. If you're considering buying NK51 UCY, it's worth having these areas checked by a mechanic before committing.

The Dennis Unknown typically stays on UK roads for around 25 years. At 25 years old, this Dennis Unknown is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of NK51 UCY?

You can check the full history of NK51 UCY by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was NK51 UCY registered?

NK51 UCY is a 2001 Dennis Unknown, first registered on 20 November 2001.

Is NK51 UCY safe to buy?

The MOT history for NK51 UCY shows 4 tests with a 50% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does NK51 UCY 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 NK51 UCY. 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.