Germany vs Germany — 1991 vs 1985
| S4 C4 UrS4 2.2 20V Turbo | Sport Quattro S1 | |
|---|---|---|
| Horsepower | 230 hp | 306 hp |
| Torque | 258 lb-ft | 258 lb-ft |
| Engine Size | 2,226 cc | 2,133 cc |
| 0-60 mph | 5.9 sec | 4.5 sec |
| Top Speed | 155 mph | 155 mph |
| ¼ Mile | 14.3 sec | 13.0 sec |
| Weight | 3,704 lbs | 2,403 lbs |
| Wheelbase | 2,693 mm | 2,205 mm |
| Length | 4,790 mm | 4,100 mm |
| Units Produced | 7,298 | 164 |
| Original MSRP | $43,950 | — |
| Value (Excellent) | $60,000 | $750,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 6/10 | 10/10 |
Numbers favor the 1985 Audi Sport Quattro S1 with more power, quicker acceleration, lighter weight. The 1991 Audi S4 C4 UrS4 2.2 20V Turbo offers better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Audi has long offered a diverse lineup, and comparing the 1991 Audi S4 C4 UrS4 2.2 20V Turbo with the 1985 Audi Sport Quattro S1 highlights the breadth of the marque's engineering philosophy. The 1985 Audi Sport Quattro S1 holds a clear advantage in raw power with 306 hp compared to 230 hp, a 76-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Audi S4 uses a Inline-5 DOHC 20V Turbo displacing 2,226 cc, while the Audi Sport Quattro relies on a Inline-5 DOHC Turbo with 2,133 cc. In the sprint to 60 mph, the 1985 Audi Sport Quattro S1 edges ahead at 4.5 seconds versus 5.9 seconds. The Audi Sport Quattro carries a weight advantage, tipping the scales 1301 lbs lighter. Rarity plays a significant role here — with only 164 units built, the 1985 Audi Sport Quattro S1 is considerably scarcer than the Audi S4's 7,298 examples. On the collector market, the 1985 Audi Sport Quattro S1 commands a significant premium over the 1991 Audi S4 C4 UrS4 2.2 20V Turbo, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1985 Audi Sport Quattro S1 rates higher among enthusiasts and auction houses.