Bentley 4.5 Litre

vs

Alfa Romeo RL

UK vs Italy — 1927 vs 1922

Bentley 4.5 Litre (1927)
Alfa Romeo RL (1922)
Specifications
4.5 Litre Le MansRL Super Sport
Horsepower110 hp83 hp
Torque210 lb-ft
Engine Size4,398 cc2,994 cc
Top Speed92 mph81 mph
Weight3,360 lbs2,646 lbs
Wheelbase3,302 mm3,050 mm
Length4,420 mm
Units Produced665392
Original MSRP$6,500
Value (Excellent)$2,000,000$2,000,000
Collectibility10/109/10
Rarity8/109/10
The Verdict

The 1927 Bentley 4.5 Litre Le Mans holds an edge across most measurable criteria, offering more power, higher top speed, stronger collectibility. That said, the 1922 Alfa Romeo RL Super Sport brings lighter weight and remains a compelling choice for enthusiasts who value Alfa Romeo heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Putting the 1927 Bentley 4.5 Litre Le Mans against the 1922 Alfa Romeo RL Super Sport is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Italy. The 1927 Bentley 4.5 Litre Le Mans holds a clear advantage in raw power with 110 hp compared to 83 hp, a 27-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Bentley 4.5 Litre uses a Inline-4 SOHC displacing 4,398 cc, while the Alfa Romeo RL relies on a Inline-6 OHV with 2,994 cc. The 1927 Bentley 4.5 Litre Le Mans claims a higher top speed at 92 mph compared to 81 mph. The Alfa Romeo RL carries a weight advantage, tipping the scales 714 lbs lighter. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.