UK vs Japan — 1961 vs 1965
| TR4 IRS | Sports 800 UP15 | |
|---|---|---|
| Horsepower | 104 hp | 45 hp |
| Torque | 128 lb-ft | 42 lb-ft |
| Engine Size | 2,138 cc | 790 cc |
| 0-60 mph | 10.9 sec | 19.5 sec |
| Top Speed | 109 mph | 96 mph |
| ¼ Mile | 17.9 sec | 21.2 sec |
| Weight | 2,249 lbs | 1,279 lbs |
| Wheelbase | 2,235 mm | 2,000 mm |
| Length | 3,962 mm | 3,580 mm |
| Units Produced | 28,465 | 3,131 |
| Original MSRP | $2,800 | — |
| Value (Excellent) | $50,000 | $120,000 |
| Collectibility | 6/10 | 8/10 |
| Rarity | 4/10 | 9/10 |
Two outstanding machines, each with compelling strengths. The 1961 Triumph TR4 IRS excels in more power, quicker acceleration, higher top speed, while the 1965 Toyota Sports 800 UP15 stands out for lighter weight, greater rarity, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.
Putting the 1961 Triumph TR4 IRS against the 1965 Toyota Sports 800 UP15 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Japan. The 1961 Triumph TR4 IRS holds a clear advantage in raw power with 104 hp compared to 45 hp, a 59-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph TR4 uses a Inline-4 OHV displacing 2,138 cc, while the Toyota Sports 800 relies on a Flat-2 OHV with 790 cc. In the sprint to 60 mph, the 1961 Triumph TR4 IRS edges ahead at 10.9 seconds versus 19.5 seconds. The Toyota Sports 800 carries a weight advantage, tipping the scales 970 lbs lighter. Rarity plays a significant role here — with only 3,131 units built, the 1965 Toyota Sports 800 UP15 is considerably scarcer than the Triumph TR4's 28,465 examples. From a collectibility standpoint, the 1965 Toyota Sports 800 UP15 rates higher among enthusiasts and auction houses.