Bentley Continental S1

vs

Rover P5B

UK vs UK — 1955 vs 1958

Bentley Continental S1 (1955)
Rover P5B (1958)
Specifications
Continental S1 Fastback by H.J. MullinerP5B 3.5 Coupe V8
Horsepower178 hp161 hp
Torque260 lb-ft210 lb-ft
Engine Size4,887 cc3,528 cc
0-60 mph13.1 sec10.5 sec
Top Speed118 mph110 mph
¼ Mile18.5 sec17.5 sec
Weight3,451 lbs
Wheelbase3,048 mm2,794 mm
Length5,230 mm4,712 mm
Units Produced11,501
Original MSRP$5,200
Value (Excellent)$1,500,000$55,000
Collectibility5/107/10
Rarity9/105/10
The Verdict

This matchup is remarkably close. The 1955 Bentley Continental S1 Fastback by H.J. Mulliner offers more power, higher top speed, while the 1958 Rover P5B 3.5 Coupe V8 counters with quicker acceleration, stronger collectibility, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

The 1955 Bentley Continental S1 Fastback by H.J. Mulliner and 1958 Rover P5B 3.5 Coupe V8 stand as two of the most notable Luxury Car cars from Post-war. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. On paper, the two are remarkably close in power output, with the 1955 Bentley Continental S1 Fastback by H.J. Mulliner producing 178 hp and the 1958 Rover P5B 3.5 Coupe V8 delivering 161 hp. Under the hood, the contrast is notable: the Bentley Continental S1 uses a Inline-6 F-Head displacing 4,887 cc, while the Rover P5B relies on a V8 OHV with 3,528 cc. In the sprint to 60 mph, the 1958 Rover P5B 3.5 Coupe V8 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 1958 Rover P5B 3.5 Coupe V8, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1958 Rover P5B 3.5 Coupe V8 rates higher among enthusiasts and auction houses.