Germany vs Germany — 2004 vs 2003
| R8 V10 | RS6 C5 Avant | |
|---|---|---|
| Horsepower | 525 hp | 450 hp |
| Torque | 391 lb-ft | 413 lb-ft |
| Engine Size | 5,204 cc | 4,172 cc |
| 0-60 mph | 3.7 sec | 4.4 sec |
| Top Speed | 196 mph | 155 mph |
| ¼ Mile | 11.8 sec | 12.9 sec |
| Weight | — | 4,266 lbs |
| Wheelbase | 2,650 mm | 2,760 mm |
| Length | 4,431 mm | 4,843 mm |
| Units Produced | — | 4,315 |
| Original MSRP | — | $84,900 |
| Value (Excellent) | $140,000 | $65,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 4/10 | 7/10 |
It's a closely fought contest. The 2004 Audi R8 V10 brings more power, quicker acceleration, higher top speed to the table, and the 2003 Audi RS6 C5 Avant answers with stronger collectibility, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
Audi has long offered a diverse lineup, and comparing the 2004 Audi R8 V10 with the 2003 Audi RS6 C5 Avant highlights the breadth of the marque's engineering philosophy. The 2004 Audi R8 V10 holds a clear advantage in raw power with 525 hp compared to 450 hp, a 75-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi R8 uses a V10 DOHC 40V displacing 5,204 cc, while the Audi RS6 relies on a V8 DOHC 32V Twin-Turbo with 4,172 cc. In the sprint to 60 mph, the 2004 Audi R8 V10 edges ahead at 3.7 seconds versus 4.4 seconds. On the collector market, the 2004 Audi R8 V10 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.