The most recent official DVSA MOT test for this 1970 MG B GT was conducted on 14 April 2023 and resulted in a pass with no defects or advisories recorded. This is a positive indicator of the vehicle's current roadworthy condition, particularly given the documented absence of any recurring advisories at the most recent examination. Looking at the broader trend across the recorded test history, the pattern suggests an overall improving maintenance profile, as the more serious structural and mechanical issues that caused failures in 2015 and 2017 appear to have been subsequently addressed. The 2017 failure specifically related to excessive corrosion in the nearside rear suspension spring mounting prescribed area, while the 2015 entry highlighted issues with brake binding, parking brake efficiency, and inner rear suspension corrosion. The clean pass in 2023, following what appears to be remedial work, demonstrates that significant attention has been paid to structural integrity in the intervening years.
With a recorded mileage of 40,364 miles against an approximate age of 56 years, this MG B GT averages only around 721 miles per year, which is exceptionally low and strongly suggests long periods of standing or very intermittent use. This type of usage profile carries particular mechanical implications for a classic British sports car of this vintage. Low annual mileage can mask underlying wear issues, as many deterioration mechanisms in older vehicles are time-based rather than mileage-based. Standing periods encourage corrosion in braking systems, degradation of rubber components, and stale fluids, and the recorded advisories from 2011 showing steering rack gaiter deterioration and slight play in steering pivots and king pins are entirely consistent with the kind of wear that develops through age rather than use.
For a prospective buyer, the most pressing inspection priorities given this vehicle's age and usage profile centre on corrosion, braking condition, and fluid servicing. The historic advisories flagging corrosion in the outer sill, inner wheel arch, and seat belt anchorage areas warrant thorough physical inspection, paying particular attention to whether the sill and wheel arch corrosion has progressed beyond the cosmetic stage into structural concerns. During a test drive, listen carefully for suspension clunks or knocks over uneven surfaces, as wear in bushes, shock absorber mounts, and spring seats may have developed during standing periods. Check for uneven tyre wear across the axles, examine sidewalls closely for cracking or perishing from age rather than simply tread depth, and inspect the spare tyre for similar degradation. Verify the production date on any replacement tyres, as tyres fitted to low-mileage classics frequently expire through age before they wear through their tread.
Brake condition deserves specific attention, particularly given the historical advisories relating to binding calipers and the 2015 failure for front brake binding on the nearside. With the vehicle having stood for extended periods, corrosion on brake discs is almost inevitable, and seized caliper pistons or slide pins are common. On the test drive, anticipate a slightly rough or juddering initial brake application as surface corrosion is swept away, but persistent pulling to one side, grinding noises, or a spongy pedal would indicate caliper seizure, perished flexible hoses, or master cylinder issues requiring immediate rectification. Verify the condition and age of the 12 volt battery, as classic vehicles often suffer from parasitic drain through aged wiring and corroded earth points. Confirm when the brake fluid, coolant, engine oil, and differential oil were last refreshed, as time-based fluid degradation is a particular concern on a car of this vintage with such limited use. Finally, ensure that the V5 registration document, heritage certificate, and service history are present and complete, as documentation provenance is especially important for a classic vehicle of this age and heritage status.