UK vs United Kingdom — 1962 vs 1973
| MGB Roadster Mk I | Stag Mk II | |
|---|---|---|
| Horsepower | 95 hp | 145 hp |
| Torque | 109 lb-ft | 170 lb-ft |
| Engine Size | 1,798 cc | 2,997 cc |
| 0-60 mph | 11.2 sec | 9.3 sec |
| Top Speed | 104 mph | 116 mph |
| ¼ Mile | 18.0 sec | 17.2 sec |
| Weight | 2,028 lbs | 2,795 lbs |
| Wheelbase | 2,311 mm | 2,540 mm |
| Length | 3,886 mm | 4,445 mm |
| Units Produced | 513,272 | 25,877 |
| Original MSRP | $2,650 | $3,450 |
| Value (Excellent) | $40,000 | $45,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 3/10 | 10/10 |
The 1973 Triumph Stag Mk II emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1962 MG MGB Roadster Mk I counters with lighter weight, 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 1962 MG MGB Roadster Mk I against the 1973 Triumph Stag Mk II is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus United Kingdom. The 1973 Triumph Stag Mk II holds a clear advantage in raw power with 145 hp compared to 95 hp, a 50-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the MG MGB uses a Inline-4 OHV B-Series displacing 1,798 cc, while the Triumph Stag relies on a 3.0L V8 with 2,997 cc. In the sprint to 60 mph, the 1973 Triumph Stag Mk II edges ahead at 9.3 seconds versus 11.2 seconds. The MG MGB carries a weight advantage, tipping the scales 767 lbs lighter. Rarity plays a significant role here — with only 25,877 units built, the 1973 Triumph Stag Mk II is considerably scarcer than the MG MGB's 513,272 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1973 Triumph Stag Mk II rates higher among enthusiasts and auction houses.