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R921 CUM

2004 Mazda MX-5

Gold Petrol 1839cc
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MOT Status

Valid
Expires12 Aug 2027
Tests22 (13 pass, 9 fail)
Pass rate59.1%

Mileage

166,662 mi
Last recorded166,662 miles
Recorded on12 Aug 2026
Typical for 2004 Mazda MX-559,584 mi

Significantly above average — investigate

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

RegistrationR921 CUM
MakeMazda
ModelMX-5
Year2004
ColourGold
Fuel typePetrol
Engine1,839cc

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

13 pass 9 fail
Pass 12 Aug 2026 166,662 miles
Pass 12 Aug 2025 161,174 miles

Rear Tyre worn close to legal limit/worn on edge both (5.2.3 (e))

Pass 13 Aug 2024 156,233 miles
Pass 30 Jun 2023 151,485 miles
Pass 2 Jul 2022 150,026 miles

underbody under seal

Fail 12 Jul 2018 149,976 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b))

Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

Offside Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a))

Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b))

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

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

Nearside Brake pipe corroded, covered in grease or other material main (1.1.11 (c))

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Nearside Integral body structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security sill (6.2.2 (d) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (i))

Offside Brake pipe corroded, covered in grease or other material main (1.1.11 (c))

Offside Integral body structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security sill (6.2.2 (d) (i))

Pass 8 Aug 2016 146,985 miles

Offside Front tyre cut in side wall

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear tyre cracking

Fail 29 Jul 2016 146,985 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)

Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4)

Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3)

Offside Front front brake binding (3.7.B.1)

Offside Front tyre cut in side wall

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear tyre cracking

Pass 25 Jun 2015 144,808 miles

Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Fail 22 May 2015 144,807 miles

Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside Seat belt anchorage prescribed area is excessively corroded (5.2.6)

Offside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)

Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 23 Mar 2012 144,455 miles

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Fail 23 Mar 2012 144,445 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)

Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4)

Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 20 Jan 2011 143,751 miles

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Fail 20 Jan 2011 143,751 miles

Front registration plate missing (6.3.1a)

Nearside Front Headlamp not working on main beam (1.7.5a)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 21 Oct 2009 142,810 miles
Fail 20 Oct 2009 142,810 miles

Front Registration plate lamp not working (1.1.5c)

Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Rear fog lamp missing (1.3.2a)

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Offside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 6 Jun 2008 137,530 miles
Fail 6 Jun 2008 137,530 miles

Nearside Stop lamp not working (1.2.1b)

Pass 3 Apr 2007 122,414 miles
Fail 12 Mar 2007 122,033 miles

Front Brake pad(s) less than 1.5 mm thick (3.5.1g) DANGEROUS

Front brake disc excessively pitted (3.5.1h) DANGEROUS

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) DANGEROUS

Front Exhaust has a minor leak of exhaust gases (7.1.2)

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

Pass 11 Mar 2006 106,907 miles
Fail 11 Mar 2006 106,907 miles

Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

How Reliable is the Mazda MX-5?

Based on 2,502,760 MOT tests across 160,823 vehicles.

76.5%
Pass Rate
2,964
Miles/Year
36
Year Lifespan
160,823
On UK Roads

Top MOT Failure Points

Seat belt anchorage prescribed area is excessively corroded 44,475
Tyre tread depth below requirements of 1.6mm 41,962
Windscreen wiper does not clear the windscreen effectively 35,980
Parking brake: efficiency below requirements 33,281
Brake pad(s) less than 1.5 mm thick 32,722
Full Mazda MX-5 reliability report

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R921 CUM is a 2004 Mazda MX-5 in Gold with a 1,839cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 59.1%.

Across all 2004 Mazda MX-5 models, the average MOT pass rate is 75.9% with a typical mileage of 59,584 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 Mazda MX-5 fails its MOT is seat belt anchorage prescribed area is excessively corroded, accounting for 44,475 recorded failures. If you're considering buying R921 CUM, it's worth having these areas checked by a mechanic before committing.

The Mazda MX-5 typically stays on UK roads for around 36 years. At 22 years old, this Mazda MX-5 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of R921 CUM?

You can check the full history of R921 CUM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R921 CUM registered?

R921 CUM is a 2004 Mazda MX-5, first registered on 1 April 2004.

Is R921 CUM safe to buy?

The MOT history for R921 CUM shows 22 tests with a 59.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R921 CUM 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 R921 CUM. 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.