Bentley Speed Six

vs

Bentley Turbo R

UK vs UK — 1929 vs 1985

Bentley Speed Six (1929)
Bentley Turbo R (1985)
Specifications
Speed Six Le Mans TourerTurbo R Sport
Horsepower180 hp385 hp
Torque280 lb-ft550 lb-ft
Engine Size6,597 cc6,750 cc
0-60 mph12.0 sec6.7 sec
Top Speed104 mph148 mph
¼ Mile18.5 sec15.0 sec
Weight4,145 lbs5,181 lbs
Wheelbase3,302 mm3,061 mm
Length4,700 mm5,268 mm
Units Produced5457,230
Original MSRP$190,000
Value (Excellent)$8,000,000$75,000
Collectibility10/106/10
Rarity9/105/10
The Verdict

It's a closely fought contest. The 1929 Bentley Speed Six Le Mans Tourer brings lighter weight, greater rarity, stronger collectibility to the table, and the 1985 Bentley Turbo R Sport answers with more power, quicker acceleration, higher top speed. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

Bentley has long offered a diverse lineup, and comparing the 1929 Bentley Speed Six Le Mans Tourer with the 1985 Bentley Turbo R Sport highlights the breadth of the marque's engineering philosophy. The 1985 Bentley Turbo R Sport holds a clear advantage in raw power with 385 hp compared to 180 hp, a 205-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 Turbo R relies on a V8 OHV Turbo with 6,750 cc. In the sprint to 60 mph, the 1985 Bentley Turbo R Sport edges ahead at 6.7 seconds versus 12.0 seconds. The Bentley Speed Six carries a weight advantage, tipping the scales 1036 lbs lighter. Rarity plays a significant role here — with only 545 units built, the 1929 Bentley Speed Six Le Mans Tourer is considerably scarcer than the Bentley Turbo R's 7,230 examples. On the collector market, the 1929 Bentley Speed Six Le Mans Tourer commands a significant premium over the 1985 Bentley Turbo R Sport, 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.