USA vs Australia — 1968 vs 1971
| Road Runner | Falcon XA GT RPO 83 Hardtop | |
|---|---|---|
| Horsepower | 335 hp | 300 hp |
| Torque | 425 lb-ft | 360 lb-ft |
| Engine Size | 6,981 cc | 5,763 cc |
| 0-60 mph | 6.4 sec | 6.8 sec |
| Top Speed | 122 mph | 137 mph |
| ¼ Mile | 14.2 sec | 14.6 sec |
| Weight | 3,500 lbs | — |
| Wheelbase | 2,946 mm | 2,819 mm |
| Length | 5,105 mm | 4,880 mm |
| Units Produced | 84,420 | 250 |
| Original MSRP | $2,896 | — |
| Value (Excellent) | $175,000 | $1,200,000 |
| Collectibility | 9/10 | 5/10 |
| Rarity | 5/10 | 10/10 |
The 1968 Plymouth Road Runner holds an edge across most measurable criteria, offering more power, quicker acceleration, stronger collectibility. That said, the 1971 Ford Falcon XA GT RPO 83 Hardtop brings higher top speed, greater rarity and remains a compelling choice for enthusiasts who value Ford heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
When USA engineering meets Australia craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1968 Plymouth Road Runner and 1971 Ford Falcon XA GT RPO 83 Hardtop embody their respective national automotive traditions while competing in the same arena. The 1968 Plymouth Road Runner holds a clear advantage in raw power with 335 hp compared to 300 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Plymouth Road Runner uses a V8 OHV (RB big-block) displacing 6,981 cc, while the Ford Falcon relies on a V8 OHV 16V with 5,763 cc. In the sprint to 60 mph, the 1968 Plymouth Road Runner edges ahead at 6.4 seconds versus 6.8 seconds. Rarity plays a significant role here — with only 250 units built, the 1971 Ford Falcon XA GT RPO 83 Hardtop is considerably scarcer than the Plymouth Road Runner's 84,420 examples. On the collector market, the 1971 Ford Falcon XA GT RPO 83 Hardtop commands a significant premium over the 1968 Plymouth Road Runner, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1968 Plymouth Road Runner rates higher among enthusiasts and auction houses.