| Audi S6 | Mercedes-Benz GLS | ||
|---|---|---|---|
| Live listings | 28 | 421best | |
| Price range | $25K – $69K | $17.9K – $169K | |
| Median price | $31.2Kbest | $84.5K | |
| Median mileage | 63,000 mi | 7,805 mibest | |
| Great deals | 2 | 114best | |
| Biggest deal | $4.4K under | $39K underbest | |
| Updated | 2026-08-27 | 2026-08-08 |