Germany vs Germany — 2003 vs 2006
| RS6 C5 Avant | RS4 Avant B7 | |
|---|---|---|
| Horsepower | 450 hp | 420 hp |
| Torque | 413 lb-ft | 317 lb-ft |
| Engine Size | 4,172 cc | 4,163 cc |
| 0-60 mph | 4.4 sec | 4.5 sec |
| Top Speed | 155 mph | 155 mph |
| ¼ Mile | 12.9 sec | 12.8 sec |
| Weight | 4,266 lbs | 3,770 lbs |
| Wheelbase | 2,760 mm | 2,651 mm |
| Length | 4,843 mm | 4,586 mm |
| Units Produced | 4,315 | 7,500 |
| Original MSRP | $84,900 | $72,400 |
| Value (Excellent) | $65,000 | $75,000 |
| Collectibility | 8/10 | 8/10 |
| Rarity | 7/10 | 7/10 |
This matchup is remarkably close. The 2003 Audi RS6 C5 Avant offers quicker acceleration, while the 2006 Audi RS4 Avant B7 counters with lighter weight. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
Within the Audi stable, the 2003 Audi RS6 C5 Avant and 2006 Audi RS4 Avant B7 represent different approaches to performance and purpose. Both carry the Audi badge, yet each carves out its own distinct identity. The 2003 Audi RS6 C5 Avant holds a clear advantage in raw power with 450 hp compared to 420 hp, a 30-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi RS6 uses a V8 DOHC 32V Twin-Turbo displacing 4,172 cc, while the Audi RS4 relies on a V8 DOHC 32V with 4,163 cc. In the sprint to 60 mph, the 2003 Audi RS6 C5 Avant edges ahead at 4.4 seconds versus 4.5 seconds. The Audi RS4 carries a weight advantage, tipping the scales 496 lbs lighter. Both cars have earned their place in automotive history and continue to captivate enthusiasts around the world.