Rolls-Royce Corniche

vs

Rolls-Royce Phantom III

UK vs UK — 1971 vs 1925

Rolls-Royce Corniche (1971)
Rolls-Royce Phantom III (1925)
Specifications
Corniche ConvertiblePhantom III V12
Horsepower240 hp165 hp
Torque361 lb-ft350 lb-ft
Engine Size6,750 cc7,340 cc
0-60 mph9.6 sec
Top Speed120 mph92 mph
¼ Mile17.0 sec
Weight5,732 lbs
Wheelbase3,060 mm3,810 mm
Length5,270 mm5,740 mm
Units Produced4,200727
Original MSRP$15,000
Value (Excellent)$200,000$1,500,000
Collectibility5/109/10
Rarity7/108/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1971 Rolls-Royce Corniche Convertible excels in more power, higher top speed, better value, while the 1925 Rolls-Royce Phantom III V12 stands out for greater rarity, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.

Overview

The 1971 Rolls-Royce Corniche Convertible and 1925 Rolls-Royce Phantom III V12 share a manufacturer in Rolls-Royce, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Rolls-Royce brand. The 1971 Rolls-Royce Corniche Convertible holds a clear advantage in raw power with 240 hp compared to 165 hp, a 75-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Rolls-Royce Corniche uses a V8 OHV 16V displacing 6,750 cc, while the Rolls-Royce Phantom III relies on a V12 OHV with 7,340 cc. The 1971 Rolls-Royce Corniche Convertible claims a higher top speed at 120 mph compared to 92 mph. Rarity plays a significant role here — with only 727 units built, the 1925 Rolls-Royce Phantom III V12 is considerably scarcer than the Rolls-Royce Corniche's 4,200 examples. On the collector market, the 1925 Rolls-Royce Phantom III V12 commands a significant premium over the 1971 Rolls-Royce Corniche Convertible, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1925 Rolls-Royce Phantom III V12 rates higher among enthusiasts and auction houses.