United Kingdom vs Italy — 1971 vs 1968
| 411 Series 4/5 | Islero | |
|---|---|---|
| Horsepower | 335 hp | 325 hp |
| Torque | 425 lb-ft | 288 lb-ft |
| Engine Size | 6,277 cc | 3,929 cc |
| 0-60 mph | 7.0 sec | 6.4 sec |
| Top Speed | 140 mph | 154 mph |
| ¼ Mile | 15.2 sec | 14.7 sec |
| Weight | 3,660 lbs | 3,373 lbs |
| Wheelbase | 2,896 mm | 2,550 mm |
| Length | 4,877 mm | 4,580 mm |
| Units Produced | 287 | 225 |
| Original MSRP | $18,500 | $12,900 |
| Value (Excellent) | $95,000 | $450,000 |
| Collectibility | 8/10 | 8/10 |
| Rarity | 9/10 | 9/10 |
The 1968 Lamborghini Islero emerges ahead in most objective measures, offering quicker acceleration, higher top speed, lighter weight. The 1971 Bristol 411 Series 4/5 counters with better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
When United Kingdom engineering meets Italy craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1971 Bristol 411 Series 4/5 and 1968 Lamborghini Islero embody their respective national automotive traditions while competing in the same arena. On paper, the two are remarkably close in power output, with the 1971 Bristol 411 Series 4/5 producing 335 hp and the 1968 Lamborghini Islero delivering 325 hp. Under the hood, the contrast is notable: the Bristol 411 uses a V8 OHV (Chrysler) displacing 6,277 cc, while the Lamborghini Islero relies on a V12 DOHC with 3,929 cc. In the sprint to 60 mph, the 1968 Lamborghini Islero edges ahead at 6.4 seconds versus 7.0 seconds. The Lamborghini Islero carries a weight advantage, tipping the scales 287 lbs lighter. On the collector market, the 1968 Lamborghini Islero commands a significant premium over the 1971 Bristol 411 Series 4/5, reflecting differences in prestige and rarity.