The MG MGB Roadster and GT are timeless classics that capture the essence of British motoring. Between 1962 and 1980, these models underwent various evolutions, attracting enthusiasts and collectors alike. From the original chrome-bumper designs to the rubber-bumper variations, the MGB line represents a unique blend of performance and style that appeals to car enthusiasts across generations.
For donors in St. Paul, contributing your MG MGB Roadster or GT not only helps preserve the legacy of these beloved vehicles but also connects you to a vibrant community of collectors. With a focus on original-paint and matching-numbers examples, Revive Auto ensures that your donation process respects the heritage and value of these significant automobiles. We appreciate the importance of providing full disclosure regarding the car's chassis condition or any monocoque rust, which is crucial in maintaining the integrity of the collector community.
📖Generation guide
Mark I • 1962-1967
The early MGB models featured pull-handle doors, a 3-bearing engine, and a 3-synchro gearbox. These examples are often regarded as the collector's first-tier due to their classic features.
Mark II • 1968-1971
With a 5-bearing crank, all-synchro 4-speed gearbox, and Salisbury rear axle, the Mark II represents an important evolution in the MGB lineage, increasing both performance and reliability.
Mark III • 1972-1974
The Mark III transitioned into the final chrome-bumper era, featuring a recessed grille and offering the highest collector premium. This period is seen as the pinnacle of MGB design and functionality.
Rubber-Bumper Era • 1975-1980
These models introduced raised ride height for US compliance and a single-Stromberg-carburetor, resulting in a significant drop in horsepower. These examples typically fall into a lower collector-value bracket.
MGB V8 • 1973-1976
A rare variant that features a factory 3.5L Rover V8 engine, available primarily as a GT. These models are highly sought after in the collector's market due to their unique powertrain.
Limited Edition • 1980
The final MGB run, featuring unique touches. Limited Edition models represent the last chapter in MGB history and hold a special place for collectors seeking the last of the breed.
Known issues by generation
Each generation of MGB has its specific set of known issues, primarily revolving around the B-series 1.8L inline-4 engine. The early 3-bearing engines, particularly those from 1962-1964, are notorious for thrust-washer failures, making it crucial to perform preventive replacements during any clutch service. The SU HS4 twin-carburetor synchronization requires diligent maintenance due to needle-jet wear and dashpot oil levels. Additionally, the transition from positive-ground wiring in 1962-1967 models to negative-ground in 1968+ can confuse electrical service, so ensuring proper verification of wiring polarity is essential. Finally, body rust is a common concern, especially in the monocoque construction of MGBs, making proper care and maintenance critical in preserving your investment.
Donation value by condition + generation
Collector value for MGB models varies significantly based on condition and originality. Examples from the chrome-bumper years (1962-1974) can fetch between $15,000 and $50,000, depending on their condition and provenance, particularly those in original-paint and matching-numbers condition. In contrast, rubber-bumper models from 1975-1980 may see values between $8,000 and $18,000. The highest premiums are placed on concours-restored vehicles, especially those with factory overdrive options, which can add $3,000 to $5,000 to their worth. It is crucial to ensure full disclosure of any chassis or body rust issues and utilize valuation tools like Hagerty, BaT, and auction comps to establish fair market value.
Donation process for this model
Donating your MGB Roadster or GT to Revive Auto is a straightforward process, but it is essential to keep in mind that a qualified appraiser is recommended to establish the value of your vehicle accurately. IRS Form 8283 Section B is heavily applicable at this collector tier, requiring thorough documentation of your vehicle's condition and value. For concours-restored examples, enclosed transport is recommended to ensure their safe delivery. Additionally, keep in mind that original-paint, matching-numbers, and heritage registry paperwork will be necessary for a smooth donation process.
St. Paul regional notes
In St. Paul, MG MGB owners have access to a diverse network of British marque specialists, ensuring that their classic vehicles receive the best care. The climate in the region presents unique challenges, with a distinction between salt-belt preservation versus sun-belt care critical for British steel monocoque models. Local clubs and events provide a welcoming environment for MG enthusiasts to connect, share expertise, and celebrate the rich history of the brand.