Japan vs Japan — 1971 vs 1990
| Galant GTO MR | Diamante 3.5L V6 | |
|---|---|---|
| Horsepower | 125 hp | 245 hp |
| Torque | 116 lb-ft | 245 lb-ft |
| Engine Size | 1,597 cc | 3,497 cc |
| 0-60 mph | 9.8 sec | 7.3 sec |
| Top Speed | 115 mph | 143 mph |
| ¼ Mile | 17.2 sec | 15.5 sec |
| Weight | 2,205 lbs | 3,505 lbs |
| Wheelbase | 2,460 mm | 2,720 mm |
| Length | 4,240 mm | 4,855 mm |
| Units Produced | 8,795 | — |
| Original MSRP | — | $28,000 |
| Value (Excellent) | $65,000 | $7,000 |
| Collectibility | 8/10 | 3/10 |
| Rarity | 8/10 | 4/10 |
The 1990 Mitsubishi Diamante 3.5L V6 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1971 Mitsubishi Galant GTO MR counters with lighter weight, stronger collectibility, 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.
The 1971 Mitsubishi Galant GTO MR and 1990 Mitsubishi Diamante 3.5L V6 share a manufacturer in Mitsubishi, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Mitsubishi brand. The 1990 Mitsubishi Diamante 3.5L V6 holds a clear advantage in raw power with 245 hp compared to 125 hp, a 120-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 Mitsubishi Diamante relies on a V6 SOHC 24V MIVEC with 3,497 cc. In the sprint to 60 mph, the 1990 Mitsubishi Diamante 3.5L V6 edges ahead at 7.3 seconds versus 9.8 seconds. The Mitsubishi Galant GTO carries a weight advantage, tipping the scales 1300 lbs lighter. On the collector market, the 1971 Mitsubishi Galant GTO MR commands a significant premium over the 1990 Mitsubishi Diamante 3.5L V6, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1971 Mitsubishi Galant GTO MR rates higher among enthusiasts and auction houses.