UK vs Germany — 1970 vs 1971
| Stag V8 | 3.0 CS E9 | |
|---|---|---|
| Horsepower | 145 hp | 180 hp |
| Torque | 176 lb-ft | 188 lb-ft |
| Engine Size | 2,997 cc | 2,985 cc |
| 0-60 mph | 9.3 sec | 8.5 sec |
| Top Speed | 117 mph | 131 mph |
| ¼ Mile | 17.0 sec | 16.1 sec |
| Weight | 2,685 lbs | 3,075 lbs |
| Wheelbase | 2,540 mm | 2,625 mm |
| Length | 4,394 mm | 4,660 mm |
| Units Produced | 25,939 | 11,063 |
| Original MSRP | $5,500 | $9,695 |
| Value (Excellent) | $45,000 | $120,000 |
| Collectibility | 7/10 | 8/10 |
| Rarity | 6/10 | 6/10 |
The 1971 BMW 3.0 CS E9 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1970 Triumph Stag V8 counters with lighter weight, 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.
Putting the 1970 Triumph Stag V8 against the 1971 BMW 3.0 CS E9 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Germany. The 1971 BMW 3.0 CS E9 holds a clear advantage in raw power with 180 hp compared to 145 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph Stag uses a V8 SOHC displacing 2,997 cc, while the BMW 3.0 CS relies on a Inline-6 SOHC 12V with 2,985 cc. In the sprint to 60 mph, the 1971 BMW 3.0 CS E9 edges ahead at 8.5 seconds versus 9.3 seconds. The Triumph Stag carries a weight advantage, tipping the scales 390 lbs lighter. On the collector market, the 1971 BMW 3.0 CS E9 commands a significant premium over the 1970 Triumph Stag V8, reflecting differences in prestige and rarity.