Germany vs Germany — 2007 vs 1986
| B3 Biturbo Coupe | M635CSi E24 | |
|---|---|---|
| Horsepower | 360 hp | 286 hp |
| Torque | 369 lb-ft | 251 lb-ft |
| Engine Size | 2,979 cc | 3,453 cc |
| 0-60 mph | 4.7 sec | 6.1 sec |
| Top Speed | 183 mph | 158 mph |
| ¼ Mile | 12.9 sec | 14.4 sec |
| Weight | 3,461 lbs | 3,461 lbs |
| Wheelbase | 2,760 mm | 2,625 mm |
| Length | 4,580 mm | 4,755 mm |
| Units Produced | 800 | 5,855 |
| Original MSRP | $72,000 | $54,500 |
| Value (Excellent) | $75,000 | $95,000 |
| Collectibility | 7/10 | 8/10 |
| Rarity | 8/10 | 7/10 |
The 2007 Alpina B3 Biturbo Coupe holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1986 BMW M635CSi E24 brings stronger collectibility and remains a compelling choice for enthusiasts who value BMW heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Among Grand Tourer enthusiasts, the matchup between the 2007 Alpina B3 Biturbo Coupe and 1986 BMW M635CSi E24 is one for the ages. These Modern classic machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 2007 Alpina B3 Biturbo Coupe holds a clear advantage in raw power with 360 hp compared to 286 hp, a 74-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alpina B3 uses a Inline-6 Twin-Turbocharged displacing 2,979 cc, while the BMW M635CSi relies on a Inline-6 DOHC with 3,453 cc. In the sprint to 60 mph, the 2007 Alpina B3 Biturbo Coupe edges ahead at 4.7 seconds versus 6.1 seconds. Rarity plays a significant role here — with only 800 units built, the 2007 Alpina B3 Biturbo Coupe is considerably scarcer than the BMW M635CSi's 5,855 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.