UK vs UK — 1929 vs 1927
| Speed Six Le Mans Tourer | 4.5 Litre Le Mans | |
|---|---|---|
| Horsepower | 180 hp | 110 hp |
| Torque | 280 lb-ft | 210 lb-ft |
| Engine Size | 6,597 cc | 4,398 cc |
| 0-60 mph | 12.0 sec | — |
| Top Speed | 104 mph | 92 mph |
| ¼ Mile | 18.5 sec | — |
| Weight | 4,145 lbs | 3,360 lbs |
| Wheelbase | 3,302 mm | 3,302 mm |
| Length | 4,700 mm | 4,420 mm |
| Units Produced | 545 | 665 |
| Original MSRP | — | $6,500 |
| Value (Excellent) | $8,000,000 | $2,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 9/10 | 8/10 |
It's a closely fought contest. The 1929 Bentley Speed Six Le Mans Tourer brings more power, higher top speed to the table, and the 1927 Bentley 4.5 Litre Le Mans answers with lighter weight, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
Bentley has long offered a diverse lineup, and comparing the 1929 Bentley Speed Six Le Mans Tourer with the 1927 Bentley 4.5 Litre Le Mans highlights the breadth of the marque's engineering philosophy. 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 4.5 Litre relies on a Inline-4 SOHC with 4,398 cc. The 1929 Bentley Speed Six Le Mans Tourer claims a higher top speed at 104 mph compared to 92 mph. The Bentley 4.5 Litre carries a weight advantage, tipping the scales 785 lbs lighter. On the collector market, the 1929 Bentley Speed Six Le Mans Tourer commands a significant premium over the 1927 Bentley 4.5 Litre Le Mans, reflecting differences in prestige and rarity.