UK vs UK — 1929 vs 1921
| 4.5 Litre Blower | 3 Litre | |
|---|---|---|
| Horsepower | 240 hp | 80 hp |
| Engine Size | 4,398 cc | 2,996 cc |
| Top Speed | 125 mph | 80 mph |
| Weight | 3,582 lbs | 3,024 lbs |
| Wheelbase | 3,302 mm | 2,985 mm |
| Length | 4,250 mm | 4,267 mm |
| Units Produced | 55 | 1,622 |
| Value (Excellent) | $10,000,000 | $1,500,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 10/10 | 8/10 |
This matchup is remarkably close. The 1929 Bentley 4.5 Litre Blower offers more power, higher top speed, greater rarity, while the 1921 Bentley 3 Litre counters with lighter weight, 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.
Within the Bentley stable, the 1929 Bentley 4.5 Litre Blower and 1921 Bentley 3 Litre represent different approaches to performance and purpose. Both carry the Bentley badge, yet each carves out its own distinct identity. The 1929 Bentley 4.5 Litre Blower holds a clear advantage in raw power with 240 hp compared to 80 hp, a 160-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Bentley 4.5 Litre uses a Inline-4 Supercharged displacing 4,398 cc, while the Bentley 3 Litre relies on a Inline-4 SOHC with 2,996 cc. The 1929 Bentley 4.5 Litre Blower claims a higher top speed at 125 mph compared to 80 mph. The Bentley 3 Litre carries a weight advantage, tipping the scales 558 lbs lighter. Rarity plays a significant role here — with only 55 units built, the 1929 Bentley 4.5 Litre Blower is considerably scarcer than the Bentley 3 Litre's 1,622 examples. On the collector market, the 1929 Bentley 4.5 Litre Blower commands a significant premium over the 1921 Bentley 3 Litre, reflecting differences in prestige and rarity.