Where in Britain does the Mazda CX-30 fail its MOT most?
Across Britain, 7.6% of 22,108 initial MOT tests (first attempts) of the Mazda CX-30 failed in 2019–2024. It fails most in Bath (BA): 23.4% against 7.5% elsewhere (+15.9 points). It does best in Taunton (TA), −5.3 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mazda CX-30 MOT statistics · check a Mazda CX-30 by registration
Mazda CX-30 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) | 23.4 | 7.5 | +15.9 | +9.5 to +22.3 | 171 (rough estimate) |
| Brighton (BN) | 18.4 | 7.5 | +10.9 | +5.6 to +16.2 | 206 (rough estimate) |
| Newport (NP) | 16.1 | 7.5 | +8.5 | +3.3 to +13.7 | 193 (rough estimate) |
| Salisbury (SP) | 14.6 | 7.6 | +7.0 | +1.1 to +12.9 | 137 (rough estimate) |
| Truro (TR) | 13.0 | 7.6 | +5.4 | −0.5 to +11.4 | 123 (rough estimate) |
| Derby (DE) | 12.2 | 7.5 | +4.6 | +1.2 to +8.1 | 345 (rough estimate) |
| Stevenage (SG) | 11.5 | 7.6 | +4.0 | +0.4 to +7.5 | 312 (rough estimate) |
| Glasgow (G) | 11.4 | 7.5 | +3.9 | +1.1 to +6.7 | 500 |
| Aberdeen (AB) | 11.3 | 7.6 | +3.8 | −0.3 to +7.9 | 229 (rough estimate) |
| Perth (PH) | 11.1 | 7.6 | +3.5 | −1.2 to +8.2 | 171 (rough estimate) |
| Gloucester (GL) | 11.1 | 7.6 | +3.5 | −0.8 to +7.7 | 208 (rough estimate) |
| Ipswich (IP) | 11.0 | 7.6 | +3.5 | −0.4 to +7.3 | 263 (rough estimate) |
| Cambridge (CB) | 11.0 | 7.6 | +3.4 | −1.8 to +8.7 | 136 (rough estimate) |
| Croydon (CR) | 10.5 | 7.6 | +2.9 | −1.4 to +7.2 | 200 (rough estimate) |
| Hull (HU) | 10.0 | 7.6 | +2.4 | −2.4 to +7.2 | 150 (rough estimate) |
| Southampton (SO) | 9.9 | 7.6 | +2.3 | −1.0 to +5.6 | 324 (rough estimate) |
| Dundee (DD) | 9.8 | 7.6 | +2.2 | −1.8 to +6.2 | 215 (rough estimate) |
| Oxford (OX) | 9.3 | 7.6 | +1.7 | −2.2 to +5.6 | 215 (rough estimate) |
| Leeds (LS) | 8.9 | 7.6 | +1.3 | −2.6 to +5.3 | 202 (rough estimate) |
| Exeter (EX) | 8.8 | 7.6 | +1.2 | −3.4 to +5.8 | 147 (rough estimate) |
| Bristol (BS) | 8.8 | 7.6 | +1.2 | −1.9 to +4.3 | 318 (rough estimate) |
| Falkirk (FK) | 8.7 | 7.6 | +1.1 | −2.0 to +4.3 | 309 (rough estimate) |
| Guildford (GU) | 8.7 | 7.6 | +1.1 | −2.5 to +4.8 | 229 (rough estimate) |
| Portsmouth (PO) | 8.7 | 7.6 | +1.1 | −1.9 to +4.0 | 358 (rough estimate) |
| Stoke-on-Trent (ST) | 8.6 | 7.6 | +1.0 | −2.2 to +4.2 | 302 (rough estimate) |
| Shrewsbury (SY) | 8.6 | 7.6 | +1.0 | −3.9 to +5.9 | 128 (rough estimate) |
| York (YO) | 8.6 | 7.6 | +1.0 | −2.7 to +4.6 | 222 (rough estimate) |
| Norwich (NR) | 8.6 | 7.6 | +0.9 | −2.7 to +4.5 | 234 (rough estimate) |
| Peterborough (PE) | 8.5 | 7.6 | +0.9 | −2.1 to +3.9 | 329 (rough estimate) |
| Kilmarnock (KA) | 8.1 | 7.6 | +0.5 | −3.2 to +4.2 | 209 (rough estimate) |
| Llandudno (LL) | 8.1 | 7.6 | +0.4 | −4.4 to +5.3 | 124 (rough estimate) |
| Northampton (NN) | 8.0 | 7.6 | +0.4 | −2.3 to +3.1 | 400 (rough estimate) |
| Redhill (RH) | 7.9 | 7.6 | +0.3 | −3.1 to +3.6 | 253 (rough estimate) |
| Canterbury (CT) | 7.9 | 7.6 | +0.3 | −4.0 to +4.6 | 152 (rough estimate) |
| Nottingham (NG) | 7.9 | 7.6 | +0.3 | −2.7 to +3.2 | 330 (rough estimate) |
| Doncaster (DN) | 7.8 | 7.6 | +0.2 | −2.6 to +3.0 | 371 (rough estimate) |
| Swindon (SN) | 7.7 | 7.6 | +0.1 | −3.9 to +4.2 | 168 (rough estimate) |
| Coventry (CV) | 7.7 | 7.6 | +0.1 | −2.5 to +2.6 | 428 (rough estimate) |
| Stockport (SK) | 7.6 | 7.6 | −0.0 | −2.5 to +2.5 | 435 (rough estimate) |
| Dartford (DA) | 7.6 | 7.6 | −0.1 | −3.9 to +3.8 | 185 (rough estimate) |
| Darlington (DL) | 7.5 | 7.6 | −0.1 | −4.2 to +4.0 | 160 (rough estimate) |
| Hemel Hempstead (HP) | 7.5 | 7.6 | −0.1 | −4.2 to +4.0 | 160 (rough estimate) |
| Leicester (LE) | 7.4 | 7.6 | −0.2 | −3.3 to +3.0 | 269 (rough estimate) |
| Milton Keynes (MK) | 7.4 | 7.6 | −0.2 | −3.6 to +3.2 | 230 (rough estimate) |
| Kingston upon Thames (KT) | 7.3 | 7.6 | −0.4 | −3.4 to +2.7 | 289 (rough estimate) |
| Blackburn (BB) | 7.2 | 7.6 | −0.4 | −4.1 to +3.2 | 195 (rough estimate) |
| Romford (RM) | 7.1 | 7.6 | −0.5 | −4.6 to +3.6 | 154 (rough estimate) |
| Inverness (IV) | 7.1 | 7.6 | −0.5 | −4.3 to +3.2 | 183 (rough estimate) |
| Warrington (WA) | 6.8 | 7.6 | −0.8 | −4.2 to +2.5 | 220 (rough estimate) |
| Preston (PR) | 6.8 | 7.6 | −0.8 | −3.7 to +2.0 | 295 (rough estimate) |
| Sheffield (S) | 6.7 | 7.6 | −0.9 | −3.4 to +1.6 | 387 (rough estimate) |
| Southend-on-Sea (SS) | 6.7 | 7.6 | −1.0 | −5.7 to +3.8 | 105 (rough estimate) |
| Edinburgh (EH) | 6.6 | 7.6 | −1.0 | −3.3 to +1.3 | 482 (rough estimate) |
| Medway (ME) | 6.6 | 7.6 | −1.0 | −4.7 to +2.6 | 182 (rough estimate) |
| Dudley (DY) | 6.5 | 7.6 | −1.1 | −4.7 to +2.5 | 184 (rough estimate) |
| Motherwell (ML) | 6.3 | 7.6 | −1.3 | −4.2 to +1.5 | 285 (rough estimate) |
| Birmingham (B) | 6.2 | 7.7 | −1.4 | −3.5 to +0.6 | 545 |
| Ilford (IG) | 5.8 | 7.6 | −1.8 | −5.5 to +1.9 | 155 (rough estimate) |
| Hereford (HR) | 5.8 | 7.6 | −1.9 | −6.4 to +2.6 | 104 (rough estimate) |
| Reading (RG) | 5.8 | 7.7 | −1.9 | −4.2 to +0.5 | 397 (rough estimate) |
| Wakefield (WF) | 5.6 | 7.6 | −2.0 | −5.8 to +1.7 | 143 (rough estimate) |
| Kirkcaldy (KY) | 5.6 | 7.6 | −2.1 | −5.4 to +1.3 | 180 (rough estimate) |
| Swansea (SA) | 5.5 | 7.6 | −2.1 | −5.3 to +1.0 | 200 (rough estimate) |
| Chelmsford (CM) | 5.4 | 7.6 | −2.2 | −5.4 to +0.9 | 204 (rough estimate) |
| Chester (CH) | 5.3 | 7.7 | −2.3 | −4.6 to −0.0 | 376 (rough estimate) |
| Bradford (BD) | 5.2 | 7.6 | −2.4 | −6.2 to +1.4 | 134 (rough estimate) |
| Tonbridge (TN) | 5.2 | 7.6 | −2.5 | −5.2 to +0.1 | 272 (rough estimate) |
| Colchester (CO) | 5.1 | 7.6 | −2.5 | −5.8 to +0.7 | 176 (rough estimate) |
| Newcastle (NE) | 5.0 | 7.7 | −2.6 | −4.5 to −0.8 | 555 |
| Oldham (OL) | 5.0 | 7.6 | −2.7 | −5.7 to +0.3 | 202 (rough estimate) |
| Paisley (PA) | 4.6 | 7.6 | −3.0 | −6.4 to +0.4 | 151 (rough estimate) |
| Twickenham (TW) | 4.5 | 7.7 | −3.2 | −5.8 to −0.5 | 245 (rough estimate) |
| Harrogate (HG) | 4.5 | 7.6 | −3.2 | −7.0 to +0.7 | 112 (rough estimate) |
| Durham (DH) | 4.4 | 7.6 | −3.2 | −6.4 to +0.0 | 158 (rough estimate) |
| Cardiff (CF) | 4.4 | 7.7 | −3.2 | −5.5 to −0.9 | 315 (rough estimate) |
| St Albans (AL) | 4.4 | 7.6 | −3.2 | −6.7 to +0.2 | 136 (rough estimate) |
| Wolverhampton (WV) | 4.4 | 7.6 | −3.3 | −6.1 to −0.4 | 205 (rough estimate) |
| Cleveland (TS) | 4.2 | 7.6 | −3.5 | −6.3 to −0.7 | 193 (rough estimate) |
| Bromley (BR) | 3.9 | 7.6 | −3.7 | −6.6 to −0.8 | 178 (rough estimate) |
| Watford (WD) | 3.4 | 7.7 | −4.3 | −6.4 to −2.2 | 297 (rough estimate) |
| Plymouth (PL) | 3.3 | 7.6 | −4.4 | −7.2 to −1.6 | 154 (rough estimate) |
| Worcester (WR) | 3.2 | 7.6 | −4.4 | −7.2 to −1.7 | 156 (rough estimate) |
| Bournemouth (BH) | 3.1 | 7.7 | −4.6 | −6.4 to −2.8 | 387 (rough estimate) |
| Crewe (CW) | 2.8 | 7.7 | −4.8 | −7.1 to −2.6 | 212 (rough estimate) |
| Bolton (BL) | 2.6 | 7.7 | −5.0 | −7.3 to −2.7 | 190 (rough estimate) |
| Taunton (TA) | 2.4 | 7.7 | −5.3 | −7.6 to −3.0 | 170 (rough estimate) |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 22,108 (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 CX-30 2019 · Mazda CX-30 2020 · Mazda CX-30 in Norway · Mazda CX-30 in the Netherlands · Mazda CX-30 brakes failures · Mazda CX-30 lamps, reflectors and electrics failures · Mazda CX-30 noise, emissions and leaks failures · Mazda CX-30 suspension failures · Mazda CX-30 tyres failures · Mazda CX-30 visibility failures