SS brought in outside engine expert Harry Weslake to redesign the cylinder head on this 2½-Litre — the consultancy work alone pushed output up to 105bhp.
Median 65 hp across 60 similar cars
Lead trim: SS Jaguar 2½-Litre OHV six-cylinder (102 bhp)
Jaguar SS Jaguar 2½-LitreSS Jaguar 2½-Litre · 1936–1936
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Nobody in Burbles has spotted a Jaguar SS Jaguar 2½-Litre 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.
FactSS brought in outside engine expert Harry Weslake to redesign the cylinder head on this 2½-Litre — the consultancy work alone pushed output up to 105bhp.
The SS Jaguar 2½-Litre, launched 1936, was the car whose announcement gave the Jaguar name itself its start — SS Cars chairman William Lyons told shareholders "this new car... is called the Jaguar." Engine tuner Harry Weslake redesigned the SS 1's side-valve six into a new overhead-valve, cross-flow-head unit making 102 bhp, fitted to the 2½-litre saloon (again a "½" figure the page never spells as a decimal, so left out of specs); a "similar looking but scaled-down" companion used a 1½-litre four-cylinder side-valve engine. Both are filed here under the modern Jaguar make, matching how the existing catalog already treats other pre-merger badges (e.g. Nissan's Prince-era Skyline), since the car itself was already named "Jaguar" at launch, distinct from the earlier plain "SS"-badged 1 and 2.
Collectors Spotted in the Jaguar SS Jaguar 2½-Litre Lineage
No member has published a public street spot of the Jaguar SS Jaguar 2½-Litre 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 |
|---|---|---|---|---|---|---|---|---|
| SS Jaguar 1½-Litre side-valve four-cylinder | 1936–1936 | Inline-4 | — | — | — | — | — | — |
| SS Jaguar 2½-Litre OHV six-cylinder (102 bhp) | 1936–1936 | Inline-6 | 102 hp | — | — | — | — | — |
Owning one
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Owners’ builds
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Rivals
Same body, same money, other badges — tap any card to flip.

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