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Buick Series D-Six: the early Buick six-cylinder model
Buick Series D-Six — the early Buick six-cylinder family model, produced in the second decade of the last century. We look at why this period was significant and what collectors need to know.
D-Six in brief
Buick first introduced six-cylinder cars in 1914. This car was a significant step: it was the first Buick with a left-hand drive and an electric starter with lighting.
The D-Six name is associated with this early family. Check the exact codes and years against the specific car's documents, as series names often changed at that time.
What sets it apart
This is a larger and more luxurious car than Buick's four-cylinder models, with a high body and plenty of options. Bodies were supplied by external manufacturers.
Finding a surviving car is difficult, so it is most often seen in museums and classic car shows.
Engine and technology
Early Buick six-cylinder engines had overhead valves, designed by Walter Marr. The working capacity of the first-year Buick Six engine was around 5.4 litres.
Check the specific D-Six version's power and gearbox against the documents. Gearbox — rear-wheel drive, manual.
What to check when buying
This is a very rare, collectible car, so an independent classic car expert's appraisal is essential: check the provenance, body and engine numbers, and the quality of any restoration.
Inspect the wooden body frame, chassis, brakes, and electrical system. Parts are rare and expensive.
Trims
The D-Six was produced in several body styles; below is a general description.
D-Six
Mid-1910sAn early Buick six-cylinder model.
- Six-cylinder engine with overhead valves
- Often a large open or closed body
- Steering wheel on the left
The D-Six and earlier Buicks
| D-Six | Ankstesni keturių cilindrų Buick | |
|---|---|---|
| Who it's for | For collectors | For collectors |
| Engine | Six-cylinder | Four-cylinder |
| Price in the used market (relatively) | €€€ | Mid-range budget |
The D-Six — a collector's item; authenticity and documented history are key.
Pros
- An early Buick six-cylinder model
- Historical significance
- A rare collector's car
- Electric starter and lighting
Cons
- Very limited supply
- Parts and repairs are expensive
- Expert appraisal is essential
Frequently asked questions
When was the first Buick Six introduced?
1914
Is the D-Six the same as the Buick Six?
The D-Six is part of the early Buick six-cylinder family; exact versions are verified through documentation.
Is it suitable for daily driving?
No — it's a vintage car meant for shows and collections.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
