Australia vs USA — 1971 vs 1970
| HQ Monaro GTS 350 | Road Runner Superbird | |
|---|---|---|
| Horsepower | 275 hp | 375 hp |
| Torque | 350 lb-ft | 490 lb-ft |
| Engine Size | 5,735 cc | 7,210 cc |
| 0-60 mph | 7.0 sec | 5.5 sec |
| Top Speed | 130 mph | 146 mph |
| ¼ Mile | 14.8 sec | 13.5 sec |
| Weight | 3,307 lbs | 3,800 lbs |
| Wheelbase | 2,768 mm | 2,972 mm |
| Length | 4,800 mm | 5,613 mm |
| Units Produced | — | 1,935 |
| Original MSRP | — | $4,298 |
| Value (Excellent) | $200,000 | $350,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 6/10 | 10/10 |
Numbers favor the 1970 Plymouth Road Runner Superbird with more power, quicker acceleration, higher top speed. The 1971 Holden HQ Monaro GTS 350 offers lighter weight, better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
The rivalry between Australia and USA automotive industries has produced legendary matchups, and the 1971 Holden HQ Monaro GTS 350 versus 1970 Plymouth Road Runner Superbird is among the most fascinating. These two cars represent the best of their national engineering schools. The 1970 Plymouth Road Runner Superbird holds a clear advantage in raw power with 375 hp compared to 275 hp, a 100-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1970 Plymouth Road Runner Superbird edges ahead at 5.5 seconds versus 7.0 seconds. The Holden HQ Monaro carries a weight advantage, tipping the scales 493 lbs lighter. On the collector market, the 1970 Plymouth Road Runner Superbird commands a significant premium over the 1971 Holden HQ Monaro GTS 350, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Plymouth Road Runner Superbird rates higher among enthusiasts and auction houses.