Germany vs UK — 1948 vs 1958
| 356 Speedster | Grantura Mk III | |
|---|---|---|
| Horsepower | 70 hp | 95 hp |
| Torque | 75 lb-ft | 110 lb-ft |
| Engine Size | 1,582 cc | 1,798 cc |
| 0-60 mph | 13.5 sec | 10.8 sec |
| Top Speed | 100 mph | 110 mph |
| ¼ Mile | 18.5 sec | 17.5 sec |
| Weight | 1,852 lbs | 1,625 lbs |
| Wheelbase | 2,100 mm | 2,159 mm |
| Length | 3,950 mm | 3,810 mm |
| Units Produced | 4,145 | 300 |
| Original MSRP | $2,995 | $3,500 |
| Value (Excellent) | $700,000 | $65,000 |
| Collectibility | 10/10 | 7/10 |
| Rarity | 7/10 | 7/10 |
The 1958 TVR Grantura Mk III emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster counters with 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.
When Germany engineering meets UK craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1948 Porsche 356 Speedster and 1958 TVR Grantura Mk III embody their respective national automotive traditions while competing in the same arena. The 1958 TVR Grantura Mk III holds a clear advantage in raw power with 95 hp compared to 70 hp, a 25-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 356 uses a Flat-4 OHV air-cooled displacing 1,582 cc, while the TVR Grantura relies on a Inline-4 OHV with 1,798 cc. In the sprint to 60 mph, the 1958 TVR Grantura Mk III edges ahead at 10.8 seconds versus 13.5 seconds. The TVR Grantura carries a weight advantage, tipping the scales 227 lbs lighter. Rarity plays a significant role here — with only 300 units built, the 1958 TVR Grantura Mk III is considerably scarcer than the Porsche 356's 4,145 examples. On the collector market, the 1948 Porsche 356 Speedster commands a significant premium over the 1958 TVR Grantura Mk III, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1948 Porsche 356 Speedster rates higher among enthusiasts and auction houses.