1973 MG MGB

GT Mk III Coupe 1.8 L

Vehicle values by condition

Fair
Condition 4
£3,500
#4 cars are daily drivers, with flaws visible to the naked eye. The chrome might have pitting or scratches, the windshield might be chipped.
Good
Condition 3
£6,000
#3 cars could possess some, but not all of the issues of a #4 car, but they will be balanced by other factors such as a fresh paint job or a new, correct interior.
Excellent
Condition 2
£11,400
#2 cars could win a local or regional show. They can be former #1 cars that have been driven or have aged. Seasoned observers will have to look closely for flaws.
Concours
Condition 1
£17,100
#1 vehicles are the best in the world. The visual image is of the best car, unmodified, in the right colours, driving onto the lawn at the finest concours.
Insurance premium for a
1973 MG MGB GT Mk III Coupe 1798
valued at £6,000
£114.27 / year*

History of the 1972 - 1974 MG MGB

1972 - 1974 MG MGB
1972 - 1974 MG MGB

The MGB-GT is a classic British 2+2 that was originally introduced in 1965. By 1967, incremental changes lead to the designation of MGB Mark II (officially the 1968 model year). This model continued in production until August 1971, and was then superseded by the MGB-GT Mk III in October 1971, from chassis number 258004.

Like the MGB-GT Mk I and II, the Mk III is a two-door 2+2 powered by a front-mounted, rear-wheel-drive 1798cc B Series engine. The Mark III had a revised interior, with centre console housing rocker switches and two vents in the middle. An armrest was fitted between the front seats, which now had nylon inserts.

In October 1972, from chassis number 296001, the model was fitted with a black plastic cross-mesh grille with a wide chrome surround and vertical centre chrome bar and the MG badge moved from the middle of the grille to the edge. The steering wheel was redesigned, and padded doormounted armrests replaced the old pull straps. The nylon seat trim was extended to cover the whole seat, and the rear badge was a single item rather than two.

In October 1974, from chassis number 361001, the model underwent its most dramatic visual change when large black ‘rubber’ bumpers on front and rear were added to meet US impact regulations. The nose was redesigned and front indicators incorporated into the bumper. The ride height of the car was increased slightly and overdrive included as standard.

In August 1976, from chassis number 410359, a few subtle changes were introduced. These included the fascia being covered in grey crackle (replacing black), the steering wheel featuring an ‘H’ pattern (instead of three spokes), the overdrive switch moving to the gear lever from the column stalk, carpets, striped fabric upholstery, tinted glass and revised suspension and steering. In August 1977, door mirrors were moved.

Today the MGB-GT remains one of the UK’s favourite classic cars. It is very easy to maintain, very practical with its big hatchback and all-weather convenience, and has superb parts availability and interchangeability across model types. This means the cars are easy to ‘upgrade’ should the owner so wish. The MGB-GT is also still a numerous classic, meaning the buyer has a great deal of choice.

Early ‘Chrome Bumper’ models tend to be more collectible than later ‘rubber bumper’ models due to looks, although kits to retro-fit chrome trim are available.

Alternatives from the era include the Ford Capri, the Reliant Scimitar and the MGB’s bigger brother, the MGC.

All 1973 MG MGB body types

Year Make Model Submodel Body Type Engine size Average value
1972 MG MGB GT Mk III Coupe 1.8 L £ 3,500 6,000 11,400 17,100
1972 MG MGB Mk III (Chrome Bumper) Roadster 1.8 L £ 4,400 8,500 15,200 21,000
1973 MG MGB GT V8 (Chrome Bumper) Coupe 3.5 L £ 7,900 14,100 22,700 34,100
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