Germany vs Germany — 1999 vs 2021
| RS4 Avant B5 | M4 CSL G82 | |
|---|---|---|
| Horsepower | 375 hp | 543 hp |
| Torque | 325 lb-ft | 406 lb-ft |
| Engine Size | 2,671 cc | 2,993 cc |
| 0-60 mph | 4.9 sec | 3.6 sec |
| Top Speed | 155 mph | 191 mph |
| ¼ Mile | 13.2 sec | 11.6 sec |
| Weight | — | 3,583 lbs |
| Wheelbase | 2,617 mm | 2,857 mm |
| Length | 4,525 mm | 4,794 mm |
| Units Produced | 6,030 | 1,000 |
| Original MSRP | — | $140,895 |
| Value (Excellent) | $90,000 | $280,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 7/10 | 8/10 |
The 2021 BMW M4 CSL G82 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1999 Audi RS4 Avant B5 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.
The 1999 Audi RS4 Avant B5 and 2021 BMW M4 CSL G82 stand as two of the most notable Sports Car cars from Modern classic. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 2021 BMW M4 CSL G82 holds a clear advantage in raw power with 543 hp compared to 375 hp, a 168-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi RS4 uses a V6 DOHC 30V Twin-Turbocharged displacing 2,671 cc, while the BMW M4 relies on a Inline-6 DOHC Twin-Turbo with 2,993 cc. In the sprint to 60 mph, the 2021 BMW M4 CSL G82 edges ahead at 3.6 seconds versus 4.9 seconds. Rarity plays a significant role here — with only 1,000 units built, the 2021 BMW M4 CSL G82 is considerably scarcer than the Audi RS4's 6,030 examples. On the collector market, the 2021 BMW M4 CSL G82 commands a significant premium over the 1999 Audi RS4 Avant B5, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2021 BMW M4 CSL G82 rates higher among enthusiasts and auction houses.