Germany vs West Germany — 2003 vs 1970
| RS6 C5 Avant | 100 Coupe S | |
|---|---|---|
| Horsepower | 450 hp | 112 hp |
| Torque | 413 lb-ft | 117 lb-ft |
| Engine Size | 4,172 cc | 1,871 cc |
| 0-60 mph | 4.4 sec | 10.5 sec |
| Top Speed | 155 mph | 115 mph |
| ¼ Mile | 12.9 sec | 17.5 sec |
| Weight | 4,266 lbs | 2,403 lbs |
| Wheelbase | 2,760 mm | 2,677 mm |
| Length | 4,843 mm | 4,430 mm |
| Units Produced | 4,315 | 30,687 |
| Original MSRP | $84,900 | $4,700 |
| Value (Excellent) | $65,000 | $30,000 |
| Collectibility | 8/10 | 5/10 |
| Rarity | 7/10 | 7/10 |
The 2003 Audi RS6 C5 Avant holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1970 Audi 100 Coupe S brings lighter weight, better value and remains a compelling choice for enthusiasts who value Audi heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Within the Audi stable, the 2003 Audi RS6 C5 Avant and 1970 Audi 100 Coupe S 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 112 hp, a 338-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 100 Coupe S relies on a Inline-4 OHV with 1,871 cc. In the sprint to 60 mph, the 2003 Audi RS6 C5 Avant edges ahead at 4.4 seconds versus 10.5 seconds. The Audi 100 Coupe S carries a weight advantage, tipping the scales 1863 lbs lighter. Rarity plays a significant role here — with only 4,315 units built, the 2003 Audi RS6 C5 Avant is considerably scarcer than the Audi 100 Coupe S's 30,687 examples. On the collector market, the 2003 Audi RS6 C5 Avant commands a significant premium over the 1970 Audi 100 Coupe S, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2003 Audi RS6 C5 Avant rates higher among enthusiasts and auction houses.