Where in Britain does the Mazda 323 fail its MOT most?
Across Britain, 46.6% of 16,804 initial MOT tests (first attempts) of the Mazda 323 failed in 2019–2024. It fails most in Doncaster (DN): 59.3% against 46.5% elsewhere (+12.7 points). It does best in Bromley (BR), −30.0 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mazda 323 MOT statistics · check a Mazda 323 by registration
Mazda 323 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 |
|---|---|---|---|---|---|
| Doncaster (DN) | 59.3 | 46.5 | +12.7 | +3.4 to +22.0 | 108 (rough estimate) |
| Northampton (NN) | 58.0 | 46.5 | +11.5 | +3.0 to +20.0 | 131 (rough estimate) |
| Newport (NP) | 58.0 | 46.5 | +11.4 | +3.2 to +19.7 | 138 (rough estimate) |
| Swansea (SA) | 57.9 | 46.5 | +11.4 | +5.3 to +17.5 | 254 (rough estimate) |
| Gloucester (GL) | 56.8 | 46.5 | +10.4 | +4.3 to +16.4 | 264 (rough estimate) |
| Walsall (WS) | 56.6 | 46.6 | +10.0 | +1.2 to +18.8 | 122 (rough estimate) |
| Bristol (BS) | 55.9 | 46.4 | +9.5 | +4.6 to +14.3 | 410 (rough estimate) |
| Llandudno (LL) | 55.9 | 46.6 | +9.3 | −0.4 to +19.0 | 102 (rough estimate) |
| Bath (BA) | 55.7 | 46.5 | +9.2 | +1.6 to +16.7 | 167 (rough estimate) |
| Truro (TR) | 55.6 | 46.5 | +9.0 | +0.9 to +17.2 | 144 (rough estimate) |
| Torquay (TQ) | 55.3 | 46.5 | +8.9 | +3.1 to +14.6 | 291 (rough estimate) |
| Salisbury (SP) | 54.1 | 46.5 | +7.6 | +0.0 to +15.1 | 170 (rough estimate) |
| Plymouth (PL) | 54.0 | 46.5 | +7.5 | +1.7 to +13.2 | 291 (rough estimate) |
| Portsmouth (PO) | 53.6 | 46.4 | +7.3 | +3.2 to +11.3 | 593 |
| Ipswich (IP) | 53.4 | 46.5 | +6.9 | +0.2 to +13.5 | 219 (rough estimate) |
| Derby (DE) | 53.3 | 46.6 | +6.8 | −0.5 to +14.1 | 180 (rough estimate) |
| Canterbury (CT) | 53.3 | 46.6 | +6.7 | −1.2 to +14.7 | 152 (rough estimate) |
| Bournemouth (BH) | 52.5 | 46.4 | +6.1 | +1.9 to +10.4 | 550 |
| Chester (CH) | 52.3 | 46.6 | +5.7 | −2.9 to +14.2 | 132 (rough estimate) |
| Exeter (EX) | 51.4 | 46.6 | +4.9 | −2.0 to +11.7 | 208 (rough estimate) |
| Dorchester (DT) | 50.3 | 46.6 | +3.7 | −4.3 to +11.7 | 151 (rough estimate) |
| Coventry (CV) | 49.2 | 46.6 | +2.6 | −2.9 to +8.2 | 315 (rough estimate) |
| Cardiff (CF) | 49.1 | 46.6 | +2.5 | −4.1 to +9.1 | 224 (rough estimate) |
| Oxford (OX) | 49.0 | 46.6 | +2.4 | −4.5 to +9.3 | 202 (rough estimate) |
| Norwich (NR) | 49.0 | 46.6 | +2.4 | −4.8 to +9.5 | 192 (rough estimate) |
| Brighton (BN) | 48.9 | 46.6 | +2.3 | −2.3 to +7.0 | 452 (rough estimate) |
| Nottingham (NG) | 48.4 | 46.6 | +1.8 | −4.1 to +7.7 | 281 (rough estimate) |
| Chelmsford (CM) | 48.2 | 46.6 | +1.6 | −6.1 to +9.2 | 164 (rough estimate) |
| Preston (PR) | 47.2 | 46.6 | +0.6 | −8.8 to +10.0 | 108 (rough estimate) |
| Cambridge (CB) | 47.1 | 46.6 | +0.5 | −8.3 to +9.4 | 123 (rough estimate) |
| Warrington (WA) | 47.0 | 46.6 | +0.4 | −8.1 to +8.9 | 134 (rough estimate) |
| Liverpool (L) | 46.4 | 46.6 | −0.2 | −8.2 to +7.7 | 153 (rough estimate) |
| Guildford (GU) | 46.3 | 46.6 | −0.3 | −5.3 to +4.7 | 391 (rough estimate) |
| Medway (ME) | 46.0 | 46.6 | −0.7 | −7.2 to +5.9 | 224 (rough estimate) |
| Tonbridge (TN) | 45.8 | 46.6 | −0.9 | −5.7 to +4.0 | 415 (rough estimate) |
| Southampton (SO) | 45.8 | 46.6 | −0.9 | −5.8 to +4.0 | 400 (rough estimate) |
| Twickenham (TW) | 45.5 | 46.6 | −1.1 | −7.4 to +5.2 | 246 (rough estimate) |
| Peterborough (PE) | 45.4 | 46.6 | −1.3 | −7.1 to +4.5 | 291 (rough estimate) |
| Manchester (M) | 45.0 | 46.6 | −1.7 | −8.5 to +5.1 | 209 (rough estimate) |
| Colchester (CO) | 44.9 | 46.6 | −1.8 | −10.4 to +6.9 | 127 (rough estimate) |
| Dartford (DA) | 44.4 | 46.7 | −2.3 | −9.3 to +4.7 | 196 (rough estimate) |
| Stockport (SK) | 43.9 | 46.7 | −2.7 | −10.2 to +4.7 | 173 (rough estimate) |
| Milton Keynes (MK) | 43.7 | 46.6 | −2.9 | −11.3 to +5.5 | 135 (rough estimate) |
| London E (E) | 42.9 | 46.7 | −3.7 | −10.8 to +3.3 | 191 (rough estimate) |
| Redhill (RH) | 42.9 | 46.7 | −3.8 | −9.7 to +2.1 | 275 (rough estimate) |
| Birmingham (B) | 42.3 | 46.7 | −4.4 | −9.5 to +0.7 | 369 (rough estimate) |
| Worcester (WR) | 41.8 | 46.7 | −4.9 | −13.3 to +3.5 | 134 (rough estimate) |
| Swindon (SN) | 41.8 | 46.7 | −4.9 | −12.9 to +3.1 | 146 (rough estimate) |
| London SW (SW) | 41.6 | 46.7 | −5.1 | −12.0 to +1.9 | 197 (rough estimate) |
| Taunton (TA) | 41.4 | 46.7 | −5.3 | −14.3 to +3.7 | 116 (rough estimate) |
| London NW (NW) | 41.1 | 46.7 | −5.5 | −13.2 to +2.2 | 158 (rough estimate) |
| Sheffield (S) | 40.4 | 46.7 | −6.3 | −14.3 to +1.7 | 146 (rough estimate) |
| Leicester (LE) | 40.1 | 46.8 | −6.7 | −11.9 to −1.6 | 357 (rough estimate) |
| London N (N) | 39.6 | 46.7 | −7.1 | −14.5 to +0.4 | 169 (rough estimate) |
| Reading (RG) | 39.5 | 46.7 | −7.3 | −13.6 to −0.9 | 228 (rough estimate) |
| Stevenage (SG) | 39.3 | 46.7 | −7.4 | −16.5 to +1.7 | 112 (rough estimate) |
| Uxbridge (UB) | 39.3 | 46.7 | −7.4 | −16.7 to +1.9 | 107 (rough estimate) |
| Hemel Hempstead (HP) | 39.1 | 46.7 | −7.6 | −14.4 to −0.8 | 202 (rough estimate) |
| Croydon (CR) | 38.4 | 46.8 | −8.4 | −14.4 to −2.4 | 258 (rough estimate) |
| Romford (RM) | 38.2 | 46.7 | −8.5 | −16.9 to −0.2 | 131 (rough estimate) |
| Kingston upon Thames (KT) | 37.5 | 46.8 | −9.2 | −15.0 to −3.5 | 277 (rough estimate) |
| London SE (SE) | 36.8 | 46.8 | −9.9 | −16.4 to −3.5 | 220 (rough estimate) |
| Harrow (HA) | 36.4 | 46.7 | −10.3 | −18.6 to −1.9 | 129 (rough estimate) |
| Sutton (SM) | 36.0 | 46.7 | −10.7 | −18.8 to −2.7 | 139 (rough estimate) |
| Slough (SL) | 34.2 | 46.8 | −12.5 | −19.4 to −5.6 | 184 (rough estimate) |
| Enfield (EN) | 31.5 | 46.7 | −15.2 | −23.2 to −7.2 | 130 (rough estimate) |
| Southend-on-Sea (SS) | 30.5 | 46.9 | −16.4 | −21.7 to −11.1 | 295 (rough estimate) |
| Bromley (BR) | 16.9 | 46.9 | −30.0 | −36.1 to −23.9 | 148 (rough estimate) |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 16,804 (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
Other pages for this model
Mazda 323 1999 · Mazda 323 2000 · Mazda 323 2001 · Mazda 323 2002 · Mazda 323 2003 · Mazda 323 in Norway · Mazda 323 in the Netherlands · Mazda 323 body, chassis and structure failures · Mazda 323 brakes failures · Mazda 323 vehicle identification failures · Mazda 323 lamps, reflectors and electrics failures · Mazda 323 noise, emissions and leaks failures · Mazda 323 road wheels failures · Mazda 323 seat belts and airbags failures · Mazda 323 steering failures · Mazda 323 suspension failures · Mazda 323 tyres failures · Mazda 323 visibility failures