Bentley Continental S1

vs

Cadillac Eldorado

UK vs USA — 1955 vs 1959

Bentley Continental S1 (1955)
Cadillac Eldorado (1959)
Specifications
Continental S1 Fastback by H.J. MullinerEldorado Biarritz Convertible
Horsepower178 hp345 hp
Torque260 lb-ft430 lb-ft
Engine Size4,887 cc6,390 cc
0-60 mph13.1 sec10.5 sec
Top Speed118 mph120 mph
¼ Mile18.5 sec17.5 sec
Wheelbase3,048 mm3,302 mm
Length5,230 mm5,715 mm
Units Produced1,320
Value (Excellent)$1,500,000$350,000
Collectibility5/105/10
Rarity9/107/10
The Verdict

Numbers favor the 1959 Cadillac Eldorado Biarritz Convertible with more power, quicker acceleration, higher top speed. The 1955 Bentley Continental S1 Fastback by H.J. Mulliner offers its unique character, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.

Overview

The rivalry between UK and USA automotive industries has produced legendary matchups, and the 1955 Bentley Continental S1 Fastback by H.J. Mulliner versus 1959 Cadillac Eldorado Biarritz Convertible is among the most fascinating. These two cars represent the best of their national engineering schools. The 1959 Cadillac Eldorado Biarritz Convertible holds a clear advantage in raw power with 345 hp compared to 178 hp, a 167-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Bentley Continental S1 uses a Inline-6 F-Head displacing 4,887 cc, while the Cadillac Eldorado relies on a V8 OHV with 6,390 cc. In the sprint to 60 mph, the 1959 Cadillac Eldorado Biarritz Convertible edges ahead at 10.5 seconds versus 13.1 seconds. On the collector market, the 1955 Bentley Continental S1 Fastback by H.J. Mulliner commands a significant premium over the 1959 Cadillac Eldorado Biarritz Convertible, reflecting differences in prestige and rarity.