USA vs USA — 1970 vs 1975
| AMX 390 Big Bad | Pacer D/L Wagon | |
|---|---|---|
| Horsepower | 325 hp | 120 hp |
| Torque | 425 lb-ft | 220 lb-ft |
| Engine Size | 6,391 cc | 4,228 cc |
| 0-60 mph | 6.6 sec | 14.5 sec |
| Top Speed | 130 mph | 90 mph |
| ¼ Mile | 14.4 sec | 19.8 sec |
| Weight | 3,300 lbs | 3,100 lbs |
| Wheelbase | 2,794 mm | 2,540 mm |
| Length | 4,877 mm | 4,446 mm |
| Units Produced | 4,116 | 280,000 |
| Original MSRP | $3,395 | $4,299 |
| Value (Excellent) | $65,000 | $22,000 |
| Collectibility | 8/10 | 6/10 |
| Rarity | 7/10 | 5/10 |
On balance, the 1970 AMC AMX 390 Big Bad makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1975 AMC Pacer D/L Wagon counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1970 AMC AMX 390 Big Bad for outright capability, or the 1975 AMC Pacer D/L Wagon for a more distinctive ownership experience.
AMC has long offered a diverse lineup, and comparing the 1970 AMC AMX 390 Big Bad with the 1975 AMC Pacer D/L Wagon highlights the breadth of the marque's engineering philosophy. The 1970 AMC AMX 390 Big Bad holds a clear advantage in raw power with 325 hp compared to 120 hp, a 205-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AMC AMX uses a V8 OHV (AMC 390) displacing 6,391 cc, while the AMC Pacer relies on a Inline-6 OHV (AMC 258) with 4,228 cc. In the sprint to 60 mph, the 1970 AMC AMX 390 Big Bad edges ahead at 6.6 seconds versus 14.5 seconds. Rarity plays a significant role here — with only 4,116 units built, the 1970 AMC AMX 390 Big Bad is considerably scarcer than the AMC Pacer's 280,000 examples. On the collector market, the 1970 AMC AMX 390 Big Bad commands a significant premium over the 1975 AMC Pacer D/L Wagon, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 AMC AMX 390 Big Bad rates higher among enthusiasts and auction houses.