Japan vs USA — 1971 vs 1970
| Galant GTO MR | Road Runner Superbird | |
|---|---|---|
| Horsepower | 125 hp | 375 hp |
| Torque | 116 lb-ft | 490 lb-ft |
| Engine Size | 1,597 cc | 7,210 cc |
| 0-60 mph | 9.8 sec | 5.5 sec |
| Top Speed | 115 mph | 146 mph |
| ¼ Mile | 17.2 sec | 13.5 sec |
| Weight | 2,205 lbs | 3,800 lbs |
| Wheelbase | 2,460 mm | 2,972 mm |
| Length | 4,240 mm | 5,613 mm |
| Units Produced | 8,795 | 1,935 |
| Original MSRP | — | $4,298 |
| Value (Excellent) | $65,000 | $350,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 8/10 | 10/10 |
The 1970 Plymouth Road Runner Superbird emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1971 Mitsubishi Galant GTO MR counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Putting the 1971 Mitsubishi Galant GTO MR against the 1970 Plymouth Road Runner Superbird is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Japan versus USA. The 1970 Plymouth Road Runner Superbird holds a clear advantage in raw power with 375 hp compared to 125 hp, a 250-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mitsubishi Galant GTO uses a Inline-4 SOHC displacing 1,597 cc, while the Plymouth Road Runner relies on a V8 OHV with 7,210 cc. In the sprint to 60 mph, the 1970 Plymouth Road Runner Superbird edges ahead at 5.5 seconds versus 9.8 seconds. The Mitsubishi Galant GTO carries a weight advantage, tipping the scales 1595 lbs lighter. Rarity plays a significant role here — with only 1,935 units built, the 1970 Plymouth Road Runner Superbird is considerably scarcer than the Mitsubishi Galant GTO's 8,795 examples. On the collector market, the 1970 Plymouth Road Runner Superbird commands a significant premium over the 1971 Mitsubishi Galant GTO MR, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Plymouth Road Runner Superbird rates higher among enthusiasts and auction houses.