France vs France — 1936 vs 1934
| 686 Grand Sport | C25 Aerodyne | |
|---|---|---|
| Horsepower | 125 hp | 100 hp |
| Torque | 177 lb-ft | — |
| Engine Size | 3,485 cc | 3,000 cc |
| 0-60 mph | 14.0 sec | — |
| Top Speed | 103 mph | 87 mph |
| ¼ Mile | 19.0 sec | — |
| Weight | 3,417 lbs | 3,527 lbs |
| Wheelbase | 3,150 mm | 3,150 mm |
| Length | 4,800 mm | 4,900 mm |
| Value (Excellent) | $250,000 | $2,500,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 8/10 | 10/10 |
On balance, the 1936 Hotchkiss 686 Grand Sport makes a stronger case on paper with more power, higher top speed, better value. However, the 1934 Voisin C25 Aerodyne counters with stronger collectibility, and its appeal extends beyond mere numbers. Choose the 1936 Hotchkiss 686 Grand Sport for outright capability, or the 1934 Voisin C25 Aerodyne for a more distinctive ownership experience.
In the world of Luxury Car cars, few comparisons generate as much discussion as the 1936 Hotchkiss 686 Grand Sport versus the 1934 Voisin C25 Aerodyne. Both hail from Pre-war and represent the pinnacle of their respective manufacturers' ambitions. The 1936 Hotchkiss 686 Grand Sport holds a clear advantage in raw power with 125 hp compared to 100 hp, a 25-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Hotchkiss 686 uses a Inline-6 OHV displacing 3,485 cc, while the Voisin C25 relies on a Inline-6 Sleeve-valve with 3,000 cc. The 1936 Hotchkiss 686 Grand Sport claims a higher top speed at 103 mph compared to 87 mph. On the collector market, the 1934 Voisin C25 Aerodyne commands a significant premium over the 1936 Hotchkiss 686 Grand Sport, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1934 Voisin C25 Aerodyne rates higher among enthusiasts and auction houses.