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| Aston Martin DB Mark III | |
|---|---|
 1957 Aston Martin DB 2/4 Mark III | |
| Overview | |
| Manufacturer | Aston Martin |
| Production | 1957–1959 551 produced |
| Designer | John Turner |
| Body and chassis | |
| Class | Sports car |
| Body style | 2+2 hatchback 2-seat coupé 2-seat drophead |
| Layout | FR layout |
| Powertrain | |
| Engine | 2.9 L Lagonda I6 |
| Dimensions | |
| Wheelbase | 99 in (2,515 mm) |
| Length | 172 in (4,369 mm) |
| Width | 65 in (1,651 mm) |
| Height | 53.5 in (1,359 mm) |
| Kerb weight | 3,000 lb (1,361 kg) |
| Chronology | |
| Predecessor | Aston Martin DB2/4 Mk II |
| Successor | Aston Martin DB4 |
The DB 2/4 Mark III (normally simply called DB Mark III, even at the time of its introduction) is a grand tourer sold by Aston Martin from 1957 until 1959. It was an evolution of the DB2/4 Mark II model it replaced, using an evolution of that car's W.O. Bentley-designed 2.9 L (2922 cc/178 in³) Lagonda straight-6 engine, redesigned by Tadek Marek.
It was succeeded by the Aston Martin DB4 in 1958.