Where in Britain does the Mazda Demio fail its MOT most?
Across Britain, 45.2% of 6,922 initial MOT tests (first attempts) of the Mazda Demio failed in 2019–2024. It fails most in Bath (BA): 65.2% against 44.9% elsewhere (+20.3 points). It does best in London SE (SE), −18.4 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mazda Demio MOT statistics · check a Mazda Demio by registration
Mazda Demio 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) | 65.2 | 44.9 | +20.3 | +11.5 to +29.1 | 115 (rough estimate) |
| Exeter (EX) | 60.2 | 45.0 | +15.2 | +6.3 to +24.1 | 118 (rough estimate) |
| Brighton (BN) | 54.2 | 45.0 | +9.2 | +0.9 to +17.5 | 142 (rough estimate) |
| Nottingham (NG) | 53.3 | 45.1 | +8.2 | −1.4 to +17.7 | 107 (rough estimate) |
| Bristol (BS) | 52.0 | 45.1 | +6.9 | −1.2 to +15.0 | 150 (rough estimate) |
| Swansea (SA) | 51.0 | 45.1 | +5.8 | −3.9 to +15.5 | 104 (rough estimate) |
| Portsmouth (PO) | 50.6 | 44.8 | +5.8 | +1.1 to +10.4 | 476 (rough estimate) |
| Dorchester (DT) | 49.0 | 45.2 | +3.8 | −6.0 to +13.7 | 100 (rough estimate) |
| Birmingham (B) | 48.8 | 45.2 | +3.7 | −5.0 to +12.4 | 129 (rough estimate) |
| Bournemouth (BH) | 47.5 | 45.1 | +2.3 | −3.2 to +7.8 | 333 (rough estimate) |
| Guildford (GU) | 47.2 | 45.2 | +2.0 | −5.5 to +9.4 | 176 (rough estimate) |
| Torquay (TQ) | 47.1 | 45.2 | +1.9 | −6.6 to +10.3 | 136 (rough estimate) |
| Gloucester (GL) | 46.6 | 45.2 | +1.4 | −7.7 to +10.5 | 118 (rough estimate) |
| Peterborough (PE) | 45.0 | 45.2 | −0.3 | −8.9 to +8.4 | 129 (rough estimate) |
| Southampton (SO) | 44.7 | 45.2 | −0.6 | −8.6 to +7.5 | 150 (rough estimate) |
| Croydon (CR) | 40.2 | 45.3 | −5.1 | −14.7 to +4.5 | 102 (rough estimate) |
| Tonbridge (TN) | 39.9 | 45.4 | −5.5 | −13.3 to +2.4 | 153 (rough estimate) |
| Redhill (RH) | 37.3 | 45.4 | −8.1 | −15.9 to −0.2 | 150 (rough estimate) |
| Kingston upon Thames (KT) | 27.6 | 45.6 | −18.0 | −25.9 to −10.1 | 127 (rough estimate) |
| London SE (SE) | 27.1 | 45.5 | −18.4 | −26.9 to −9.9 | 107 (rough estimate) |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 6,922 (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 Demio 2002 · Mazda Demio 2003 · Mazda Demio in the Netherlands · Mazda Demio body, chassis and structure failures · Mazda Demio brakes failures · Mazda Demio vehicle identification failures · Mazda Demio lamps, reflectors and electrics failures · Mazda Demio noise, emissions and leaks failures · Mazda Demio seat belts and airbags failures · Mazda Demio steering failures · Mazda Demio suspension failures · Mazda Demio tyres failures · Mazda Demio visibility failures