Where in Britain does the Mazda 3 fail its MOT most?
Across Britain, 31.0% of 660,043 initial MOT tests (first attempts) of the Mazda 3 failed in 2019–2024. It fails most in Bath (BA): 39.8% against 31.0% elsewhere (+8.8 points). It does best in Bromley (BR), −13.3 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mazda 3 MOT statistics · check a Mazda 3 by registration
Mazda 3 in every postcode area with 100+ tests
From the largest excess over the rest of Britain to the largest shortfall.
| Area | Failed here, % | Rest of Britain, % | Difference, points | 95% interval | Tests |
|---|---|---|---|---|---|
| Bath (BA) | 39.8 | 31.0 | +8.8 | +7.6 to +10.1 | 5,813 |
| Kirkcaldy (KY) | 39.5 | 31.0 | +8.5 | +7.2 to +9.8 | 5,264 |
| Aberdeen (AB) | 39.4 | 31.0 | +8.4 | +7.2 to +9.7 | 5,493 |
| Torquay (TQ) | 39.2 | 31.0 | +8.2 | +6.7 to +9.7 | 4,131 |
| Dundee (DD) | 39.0 | 31.0 | +8.0 | +6.5 to +9.6 | 3,838 |
| Plymouth (PL) | 37.9 | 31.0 | +6.9 | +5.7 to +8.1 | 6,096 |
| Bristol (BS) | 36.5 | 30.9 | +5.6 | +4.8 to +6.4 | 14,266 |
| Salisbury (SP) | 36.3 | 31.0 | +5.3 | +3.8 to +6.8 | 3,976 |
| Leeds (LS) | 36.1 | 31.0 | +5.1 | +4.1 to +6.1 | 8,391 |
| Brighton (BN) | 35.8 | 31.0 | +4.8 | +3.8 to +5.9 | 8,178 |
| Galashiels (TD) | 35.8 | 31.0 | +4.7 | +0.9 to +8.5 | 618 |
| Sunderland (SR) | 35.3 | 31.0 | +4.3 | +1.9 to +6.6 | 1,591 |
| Paisley (PA) | 35.1 | 31.0 | +4.1 | +2.6 to +5.6 | 3,778 |
| Newport (NP) | 34.9 | 31.0 | +3.9 | +2.7 to +5.1 | 5,707 |
| Gloucester (GL) | 34.9 | 31.0 | +3.9 | +2.9 to +4.9 | 8,141 |
| Manchester (M) | 34.8 | 31.0 | +3.8 | +2.9 to +4.8 | 10,180 |
| Exeter (EX) | 34.8 | 31.0 | +3.8 | +2.6 to +5.0 | 6,036 |
| London N (N) | 34.7 | 31.0 | +3.7 | +2.1 to +5.3 | 3,547 |
| Cardiff (CF) | 34.7 | 31.0 | +3.7 | +2.8 to +4.6 | 10,202 |
| Llandrindod Wells (LD) | 34.7 | 31.0 | +3.7 | −1.2 to +8.5 | 369 (rough estimate) |
| Lerwick (ZE) | 34.3 | 31.0 | +3.2 | −1.5 to +8.0 | 388 (rough estimate) |
| Edinburgh (EH) | 34.1 | 31.0 | +3.1 | +2.2 to +4.0 | 10,855 |
| Lincoln (LN) | 34.0 | 31.0 | +3.0 | +1.5 to +4.6 | 3,512 |
| Luton (LU) | 34.0 | 31.0 | +3.0 | +1.5 to +4.5 | 3,767 |
| London E (E) | 33.9 | 31.0 | +2.9 | +1.4 to +4.4 | 3,950 |
| Truro (TR) | 33.7 | 31.0 | +2.7 | +0.9 to +4.4 | 2,800 |
| Halifax (HX) | 33.6 | 31.0 | +2.5 | −0.1 to +5.2 | 1,245 |
| Bradford (BD) | 33.5 | 31.0 | +2.4 | +1.1 to +3.8 | 4,555 |
| Blackpool (FY) | 33.3 | 31.0 | +2.2 | +0.5 to +4.0 | 2,789 |
| Portsmouth (PO) | 33.2 | 31.0 | +2.2 | +1.3 to +3.0 | 11,743 |
| London NW (NW) | 33.1 | 31.0 | +2.0 | +0.3 to +3.7 | 3,010 |
| Hull (HU) | 33.0 | 31.0 | +2.0 | +0.4 to +3.6 | 3,420 |
| Walsall (WS) | 33.0 | 31.0 | +2.0 | +0.4 to +3.5 | 3,558 |
| Perth (PH) | 32.8 | 31.0 | +1.8 | −0.0 to +3.7 | 2,457 |
| Glasgow (G) | 32.8 | 31.0 | +1.8 | +1.0 to +2.6 | 13,565 |
| Swindon (SN) | 32.8 | 31.0 | +1.7 | +0.5 to +2.9 | 6,003 |
| Harrogate (HG) | 32.7 | 31.0 | +1.6 | −0.5 to +3.7 | 1,898 |
| Oxford (OX) | 32.6 | 31.0 | +1.6 | +0.6 to +2.6 | 8,923 |
| Bournemouth (BH) | 32.6 | 31.0 | +1.6 | +0.7 to +2.4 | 11,702 |
| Guildford (GU) | 32.5 | 31.0 | +1.4 | +0.4 to +2.4 | 8,607 |
| Uxbridge (UB) | 32.3 | 31.0 | +1.3 | −0.4 to +2.9 | 3,053 |
| Swansea (SA) | 32.3 | 31.0 | +1.2 | +0.1 to +2.3 | 7,016 |
| London SE (SE) | 31.7 | 31.0 | +0.6 | −0.6 to +1.9 | 5,319 |
| Northampton (NN) | 31.6 | 31.0 | +0.6 | −0.4 to +1.6 | 8,676 |
| Darlington (DL) | 31.5 | 31.0 | +0.5 | −1.1 to +2.0 | 3,370 |
| Lancaster (LA) | 31.5 | 31.0 | +0.4 | −1.5 to +2.3 | 2,304 |
| Ipswich (IP) | 31.4 | 31.0 | +0.3 | −0.7 to +1.4 | 8,044 |
| Cleveland (TS) | 31.4 | 31.0 | +0.3 | −1.0 to +1.6 | 5,168 |
| Telford (TF) | 31.4 | 31.0 | +0.3 | −1.7 to +2.3 | 2,029 |
| Carlisle (CA) | 31.3 | 31.0 | +0.2 | −1.6 to +2.0 | 2,624 |
| Medway (ME) | 31.1 | 31.0 | +0.1 | −1.0 to +1.2 | 7,041 |
| Oldham (OL) | 31.1 | 31.0 | +0.1 | −1.3 to +1.5 | 4,404 |
| Huddersfield (HD) | 31.1 | 31.0 | +0.1 | −1.8 to +1.9 | 2,361 |
| Harrow (HA) | 31.0 | 31.0 | −0.1 | −1.7 to +1.6 | 3,024 |
| Kilmarnock (KA) | 30.9 | 31.0 | −0.1 | −1.4 to +1.2 | 4,908 |
| Milton Keynes (MK) | 30.9 | 31.0 | −0.1 | −1.3 to +1.0 | 6,184 |
| Llandudno (LL) | 30.8 | 31.0 | −0.2 | −1.6 to +1.1 | 4,535 |
| Wigan (WN) | 30.8 | 31.0 | −0.3 | −2.1 to +1.6 | 2,382 |
| York (YO) | 30.8 | 31.0 | −0.3 | −1.5 to +0.9 | 5,883 |
| Hereford (HR) | 30.7 | 31.0 | −0.3 | −2.3 to +1.7 | 2,047 |
| Shrewsbury (SY) | 30.6 | 31.0 | −0.4 | −2.1 to +1.2 | 3,089 |
| Wakefield (WF) | 30.6 | 31.0 | −0.5 | −1.7 to +0.8 | 5,335 |
| Canterbury (CT) | 30.4 | 31.0 | −0.6 | −2.1 to +0.8 | 3,873 |
| Reading (RG) | 30.4 | 31.0 | −0.7 | −1.5 to +0.2 | 11,703 |
| Norwich (NR) | 30.3 | 31.0 | −0.7 | −1.8 to +0.4 | 7,336 |
| Stoke-on-Trent (ST) | 30.3 | 31.0 | −0.7 | −1.9 to +0.5 | 5,633 |
| Cambridge (CB) | 30.3 | 31.0 | −0.8 | −2.1 to +0.5 | 5,101 |
| Falkirk (FK) | 30.2 | 31.0 | −0.9 | −2.0 to +0.2 | 6,748 |
| Durham (DH) | 30.2 | 31.0 | −0.9 | −2.5 to +0.7 | 3,156 |
| Liverpool (L) | 30.1 | 31.0 | −1.0 | −2.1 to +0.2 | 5,953 |
| Blackburn (BB) | 30.1 | 31.0 | −1.0 | −2.3 to +0.4 | 4,439 |
| Leicester (LE) | 30.0 | 31.1 | −1.1 | −1.9 to −0.2 | 12,269 |
| Outer Hebrides (HS) | 29.8 | 31.0 | −1.2 | −6.5 to +4.0 | 292 (rough estimate) |
| Enfield (EN) | 29.8 | 31.0 | −1.3 | −3.1 to +0.5 | 2,474 |
| Dumfries (DG) | 29.7 | 31.0 | −1.3 | −3.6 to +0.9 | 1,581 |
| Motherwell (ML) | 29.7 | 31.0 | −1.3 | −2.7 to +0.1 | 4,181 |
| Stockport (SK) | 29.7 | 31.1 | −1.4 | −2.3 to −0.5 | 10,205 |
| Chelmsford (CM) | 29.6 | 31.0 | −1.4 | −2.7 to −0.2 | 5,141 |
| London SW (SW) | 29.6 | 31.0 | −1.5 | −3.3 to +0.4 | 2,283 |
| Preston (PR) | 29.6 | 31.1 | −1.5 | −2.6 to −0.4 | 6,497 |
| Nottingham (NG) | 29.6 | 31.1 | −1.5 | −2.3 to −0.7 | 13,346 |
| Bolton (BL) | 29.4 | 31.0 | −1.6 | −3.0 to −0.2 | 4,224 |
| Doncaster (DN) | 29.4 | 31.1 | −1.7 | −2.7 to −0.7 | 8,427 |
| Southampton (SO) | 29.4 | 31.1 | −1.7 | −2.5 to −0.9 | 11,603 |
| Dorchester (DT) | 29.2 | 31.0 | −1.8 | −3.5 to −0.2 | 2,973 |
| Taunton (TA) | 29.1 | 31.0 | −1.9 | −3.2 to −0.6 | 4,684 |
| Inverness (IV) | 29.1 | 31.0 | −1.9 | −3.5 to −0.3 | 3,115 |
| Derby (DE) | 29.1 | 31.1 | −2.0 | −3.0 to −0.9 | 7,308 |
| Warrington (WA) | 29.0 | 31.1 | −2.1 | −3.1 to −1.0 | 6,838 |
| Sheffield (S) | 29.0 | 31.1 | −2.1 | −2.9 to −1.3 | 12,978 |
| Tonbridge (TN) | 29.0 | 31.1 | −2.1 | −3.1 to −1.1 | 7,917 |
| London W (W) | 28.9 | 31.0 | −2.1 | −4.7 to +0.5 | 1,189 |
| Redhill (RH) | 28.9 | 31.1 | −2.1 | −3.1 to −1.1 | 8,383 |
| Newcastle (NE) | 28.9 | 31.1 | −2.2 | −3.0 to −1.3 | 11,708 |
| Birmingham (B) | 28.9 | 31.1 | −2.2 | −2.9 to −1.5 | 18,849 |
| Slough (SL) | 28.8 | 31.0 | −2.3 | −3.7 to −0.9 | 3,941 |
| Peterborough (PE) | 28.4 | 31.1 | −2.6 | −3.5 to −1.8 | 11,979 |
| Worcester (WR) | 28.3 | 31.1 | −2.7 | −4.1 to −1.3 | 3,941 |
| Coventry (CV) | 28.3 | 31.1 | −2.8 | −3.7 to −2.0 | 11,160 |
| Twickenham (TW) | 27.9 | 31.1 | −3.1 | −4.3 to −1.9 | 5,788 |
| Hemel Hempstead (HP) | 27.8 | 31.1 | −3.3 | −4.4 to −2.2 | 5,981 |
| Kirkwall (KW) | 27.2 | 31.0 | −3.9 | −8.1 to +0.3 | 427 (rough estimate) |
| Ilford (IG) | 27.2 | 31.0 | −3.9 | −5.7 to −2.1 | 2,352 |
| Colchester (CO) | 27.1 | 31.1 | −4.0 | −5.3 to −2.6 | 4,327 |
| Crewe (CW) | 26.9 | 31.1 | −4.2 | −5.6 to −2.7 | 3,755 |
| Dartford (DA) | 26.5 | 31.1 | −4.6 | −5.8 to −3.4 | 5,021 |
| Chester (CH) | 26.2 | 31.1 | −4.9 | −5.8 to −3.9 | 8,326 |
| Romford (RM) | 26.1 | 31.1 | −4.9 | −6.2 to −3.7 | 4,711 |
| St Albans (AL) | 26.1 | 31.1 | −5.0 | −6.6 to −3.5 | 3,067 |
| Croydon (CR) | 26.1 | 31.1 | −5.0 | −6.3 to −3.7 | 4,621 |
| Stevenage (SG) | 25.9 | 31.1 | −5.2 | −6.3 to −4.0 | 6,016 |
| Kingston upon Thames (KT) | 25.6 | 31.1 | −5.5 | −6.5 to −4.4 | 6,854 |
| Southend-on-Sea (SS) | 25.6 | 31.1 | −5.5 | −6.9 to −4.1 | 3,975 |
| Dudley (DY) | 25.4 | 31.1 | −5.7 | −7.1 to −4.3 | 3,782 |
| Wolverhampton (WV) | 24.9 | 31.1 | −6.2 | −7.4 to −4.9 | 4,397 |
| Sutton (SM) | 24.7 | 31.1 | −6.4 | −8.6 to −4.2 | 1,478 |
| Watford (WD) | 21.2 | 31.1 | −9.9 | −11.1 to −8.8 | 4,823 |
| Bromley (BR) | 17.8 | 31.1 | −13.3 | −14.5 to −12.1 | 3,737 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 660,043 (initial tests) · Method: postcode area of the testing station against the same model's tests elsewhere in Britain, difference of two proportions with a 95% interval; named at 3+ points with the interval clear of zero; not age-adjusted · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
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