Bentley Speed Six

vs

Bentley 3.5 Litre

UK vs UK — 1929 vs 1934

Bentley Speed Six (1929)
Bentley 3.5 Litre (1934)
Specifications
Speed Six Le Mans Tourer3.5 Litre
Horsepower180 hp110 hp
Torque280 lb-ft180 lb-ft
Engine Size6,597 cc3,669 cc
0-60 mph12.0 sec16.5 sec
Top Speed104 mph90 mph
¼ Mile18.5 sec
Weight4,145 lbs3,920 lbs
Wheelbase3,302 mm3,277 mm
Length4,700 mm5,080 mm
Units Produced5451,177
Value (Excellent)$8,000,000$165,000
Collectibility10/108/10
Rarity9/107/10
The Verdict

The 1929 Bentley Speed Six Le Mans Tourer holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1934 Bentley 3.5 Litre brings lighter weight, better value and remains a compelling choice for enthusiasts who value Bentley heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Within the Bentley stable, the 1929 Bentley Speed Six Le Mans Tourer and 1934 Bentley 3.5 Litre represent different approaches to performance and purpose. Both carry the Bentley badge, yet each carves out its own distinct identity. The 1929 Bentley Speed Six Le Mans Tourer holds a clear advantage in raw power with 180 hp compared to 110 hp, a 70-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Bentley Speed Six uses a Inline-6 SOHC displacing 6,597 cc, while the Bentley 3.5 Litre relies on a Inline-6 OHV with 3,669 cc. In the sprint to 60 mph, the 1929 Bentley Speed Six Le Mans Tourer edges ahead at 12.0 seconds versus 16.5 seconds. The Bentley 3.5 Litre carries a weight advantage, tipping the scales 225 lbs lighter. On the collector market, the 1929 Bentley Speed Six Le Mans Tourer commands a significant premium over the 1934 Bentley 3.5 Litre, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1929 Bentley Speed Six Le Mans Tourer rates higher among enthusiasts and auction houses.