
Alvis split the Silver Eagle in two: the wide SA was built for comfort, but the narrower SD got a smaller engine on purpose — sized to compete in the era's popular 16 hp (2-litre) racing class.
Lead trim: Silver Eagle SA 2,148 cc six (72 bhp)
Alvis Silver Eagle SA / SDSA/SD · 1930–1931
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Nobody in Burbles has spotted a Alvis Silver Eagle SA / SD yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactAlvis split the Silver Eagle in two: the wide SA was built for comfort, but the narrower SD got a smaller engine on purpose — sized to compete in the era's popular 16 hp (2-litre) racing class.
The Alvis Silver Eagle was a series of passenger cars produced by Alvis, initially from 1930 to 1931 as the successor to the 14.75, and then 1934 to 1936 (some 2,690 examples in all); all shared an inline six-cylinder overhead-valve engine and two rigid axles on longitudinal leaf springs, in touring car, roadster, saloon and convertible bodies. The SA and SD appeared in 1930, both on a 2,845 mm wheelbase: the SA (3,962 mm long, 1,600 mm wide) had a 2,148 cc engine producing 72 bhp, suiting comfort-oriented bodies, while the narrower SD (4,013 mm long, 1,511 mm wide) had a smaller 1,991 cc engine, suiting sportier bodies and the 16 hp (2-litre) racing class. Both had three SU carburettors and a top speed of 85 mph. In 1931 both were replaced by the TB and SE on a longer 3,010 mm wheelbase (4,115 mm long), the TB having the SA's larger engine with a single Zenith carburettor.
Collectors Spotted in the Alvis Silver Eagle Lineage
No member has published a public street spot of the Alvis Silver Eagle yet — the First · Worldwide stamp is wide open.
Trims & Figures
2 published trims in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| Silver Eagle SA 2,148 cc six (72 bhp) | 1930–1931 | 2.1 L Inline-6 | 72 hp | — | — | — | — | — |
| Silver Eagle SD 1,991 cc six | 1930–1931 | 2.0 L Inline-6 | — | — | — | — | — | — |
Owning one
We don’t estimate running costs for a car like this. What it costs depends on its condition, its specialist and how it is driven, and an average would mislead.
Owners’ builds
Nobody has claimed one yet.
Photographs

Mid-1935 is the exact split between SF and SG: same body, but Alvis stretched the stroke to 110mm for a bigger 2,362cc engine making 66bhp — everything else, even the top speed, stayed put.

Alvis split the Silver Eagle in two: the wide SA was built for comfort, but the narrower SD got a smaller engine on purpose — sized to compete in the era's popular 16 hp (2-litre) racing class.
Rivals
Same body, same money, other badges — tap any card to flip.

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