Germany vs Germany — 1980 vs 2003
| Quattro Sport Quattro | RS6 C5 Avant | |
|---|---|---|
| Horsepower | 306 hp | 450 hp |
| Torque | 258 lb-ft | 413 lb-ft |
| Engine Size | 2,133 cc | 4,172 cc |
| 0-60 mph | 4.9 sec | 4.4 sec |
| Top Speed | 155 mph | 155 mph |
| ¼ Mile | 13.0 sec | 12.9 sec |
| Weight | — | 4,266 lbs |
| Wheelbase | 2,204 mm | 2,760 mm |
| Length | 4,240 mm | 4,843 mm |
| Units Produced | 224 | 4,315 |
| Original MSRP | — | $84,900 |
| Value (Excellent) | $600,000 | $65,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 10/10 | 7/10 |
The 2003 Audi RS6 C5 Avant emerges ahead in most objective measures, offering more power, quicker acceleration, stronger collectibility. The 1980 Audi Quattro Sport Quattro counters with greater rarity, 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 1980 Audi Quattro Sport Quattro and 2003 Audi RS6 C5 Avant share a manufacturer in Audi, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Audi brand. The 2003 Audi RS6 C5 Avant holds a clear advantage in raw power with 450 hp compared to 306 hp, a 144-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi Quattro uses a Inline-5 Turbo SOHC 10V displacing 2,133 cc, while the Audi RS6 relies on a V8 DOHC 32V Twin-Turbo with 4,172 cc. In the sprint to 60 mph, the 2003 Audi RS6 C5 Avant edges ahead at 4.4 seconds versus 4.9 seconds. Rarity plays a significant role here — with only 224 units built, the 1980 Audi Quattro Sport Quattro is considerably scarcer than the Audi RS6's 4,315 examples. On the collector market, the 1980 Audi Quattro Sport Quattro commands a significant premium over the 2003 Audi RS6 C5 Avant, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2003 Audi RS6 C5 Avant rates higher among enthusiasts and auction houses.