UK vs UK — 2014 vs 1921
| Mulsanne Speed | 3 Litre | |
|---|---|---|
| Horsepower | 530 hp | 80 hp |
| Torque | 811 lb-ft | — |
| Engine Size | 6,752 cc | 2,996 cc |
| 0-60 mph | 4.8 sec | — |
| Top Speed | 190 mph | 80 mph |
| ¼ Mile | 13.1 sec | — |
| Weight | 5,919 lbs | 3,024 lbs |
| Wheelbase | 3,266 mm | 2,985 mm |
| Length | 5,575 mm | 4,267 mm |
| Units Produced | 7,300 | 1,622 |
| Original MSRP | $335,600 | — |
| Value (Excellent) | $200,000 | $1,500,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 6/10 | 8/10 |
It's a closely fought contest. The 2014 Bentley Mulsanne Speed brings more power, higher top speed, better value to the table, and the 1921 Bentley 3 Litre answers with lighter weight, greater rarity, stronger collectibility. 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 2014 Bentley Mulsanne Speed with the 1921 Bentley 3 Litre highlights the breadth of the marque's engineering philosophy. The 2014 Bentley Mulsanne Speed holds a clear advantage in raw power with 530 hp compared to 80 hp, a 450-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Bentley Mulsanne uses a V8 Twin-Turbocharged displacing 6,752 cc, while the Bentley 3 Litre relies on a Inline-4 SOHC with 2,996 cc. The 2014 Bentley Mulsanne Speed claims a higher top speed at 190 mph compared to 80 mph. The Bentley 3 Litre carries a weight advantage, tipping the scales 2895 lbs lighter. Rarity plays a significant role here — with only 1,622 units built, the 1921 Bentley 3 Litre is considerably scarcer than the Bentley Mulsanne's 7,300 examples. On the collector market, the 1921 Bentley 3 Litre commands a significant premium over the 2014 Bentley Mulsanne Speed, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1921 Bentley 3 Litre rates higher among enthusiasts and auction houses.