UK vs UK — 1958 vs 1956
| Grantura Mk III | 100/6 BN4 | |
|---|---|---|
| Horsepower | 95 hp | 102 hp |
| Torque | 110 lb-ft | 142 lb-ft |
| Engine Size | 1,798 cc | 2,639 cc |
| 0-60 mph | 10.8 sec | 11.6 sec |
| Top Speed | 110 mph | 109 mph |
| ¼ Mile | 17.5 sec | 18.3 sec |
| Weight | 1,625 lbs | 2,398 lbs |
| Wheelbase | 2,159 mm | 2,337 mm |
| Length | 3,810 mm | 3,937 mm |
| Units Produced | 300 | 10,825 |
| Original MSRP | $3,500 | $3,100 |
| Value (Excellent) | $65,000 | $80,000 |
| Collectibility | 7/10 | 7/10 |
| Rarity | 7/10 | 5/10 |
The 1958 TVR Grantura Mk III holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1956 Austin-Healey 100/6 BN4 brings its own distinct appeal and remains a compelling choice for enthusiasts who value Austin-Healey heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Among Sports Car enthusiasts, the matchup between the 1958 TVR Grantura Mk III and 1956 Austin-Healey 100/6 BN4 is one for the ages. These Post-war machines competed directly for buyers' attention and continue to vie for collectors' affections today. On paper, the two are remarkably close in power output, with the 1958 TVR Grantura Mk III producing 95 hp and the 1956 Austin-Healey 100/6 BN4 delivering 102 hp. Under the hood, the contrast is notable: the TVR Grantura uses a Inline-4 OHV displacing 1,798 cc, while the Austin-Healey 100/6 relies on a Inline-6 OHV with 2,639 cc. In the sprint to 60 mph, the 1958 TVR Grantura Mk III edges ahead at 10.8 seconds versus 11.6 seconds. The TVR Grantura carries a weight advantage, tipping the scales 773 lbs lighter. Rarity plays a significant role here — with only 300 units built, the 1958 TVR Grantura Mk III is considerably scarcer than the Austin-Healey 100/6's 10,825 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.