Hispano-Suiza J12

vs

Rolls-Royce Silver Ghost

Spain vs UK — 1931 vs 1906

Hispano-Suiza J12 (1931)
Rolls-Royce Silver Ghost (1906)
Specifications
J12Silver Ghost 40/50 HP Tourer
Horsepower220 hp48 hp
Engine Size9,424 cc7,428 cc
Top Speed65 mph
Weight3,968 lbs
Wheelbase3,810 mm3,632 mm
Length5,600 mm4,876 mm
Units Produced1207,874
Value (Excellent)$5,000,000$2,000,000
Collectibility5/1010/10
Rarity10/108/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1931 Hispano-Suiza J12 excels in more power, greater rarity, while the 1906 Rolls-Royce Silver Ghost 40/50 HP Tourer stands out for stronger collectibility, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1931 Hispano-Suiza J12 against the 1906 Rolls-Royce Silver Ghost 40/50 HP Tourer is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Spain versus UK. The 1931 Hispano-Suiza J12 holds a clear advantage in raw power with 220 hp compared to 48 hp, a 172-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Hispano-Suiza J12 uses a V12 displacing 9,424 cc, while the Rolls-Royce Silver Ghost relies on a Inline-6 Side-Valve with 7,428 cc. Rarity plays a significant role here — with only 120 units built, the 1931 Hispano-Suiza J12 is considerably scarcer than the Rolls-Royce Silver Ghost's 7,874 examples. On the collector market, the 1931 Hispano-Suiza J12 commands a significant premium over the 1906 Rolls-Royce Silver Ghost 40/50 HP Tourer, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1906 Rolls-Royce Silver Ghost 40/50 HP Tourer rates higher among enthusiasts and auction houses.