UK vs UK — 1968 vs 1972
| XJ6 Series I 4.2 | Double-Six V12 Vanden Plas | |
|---|---|---|
| Horsepower | 245 hp | 263 hp |
| Torque | 283 lb-ft | 300 lb-ft |
| Engine Size | 4,235 cc | 5,343 cc |
| 0-60 mph | 8.8 sec | 7.4 sec |
| Top Speed | 122 mph | 143 mph |
| ¼ Mile | 16.5 sec | 15.5 sec |
| Weight | 3,722 lbs | 4,321 lbs |
| Wheelbase | 2,762 mm | 2,865 mm |
| Length | 4,972 mm | 5,025 mm |
| Units Produced | 82,127 | — |
| Original MSRP | $6,560 | — |
| Value (Excellent) | $75,000 | $50,000 |
| Collectibility | 7/10 | 6/10 |
| Rarity | 5/10 | 5/10 |
This matchup is remarkably close. The 1968 Jaguar XJ6 Series I 4.2 offers lighter weight, stronger collectibility, while the 1972 Daimler Double-Six V12 Vanden Plas counters with quicker acceleration, higher top speed, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
The 1968 Jaguar XJ6 Series I 4.2 and 1972 Daimler Double-Six V12 Vanden Plas stand as two of the most notable Luxury Sedan cars from Muscle era. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. On paper, the two are remarkably close in power output, with the 1968 Jaguar XJ6 Series I 4.2 producing 245 hp and the 1972 Daimler Double-Six V12 Vanden Plas delivering 263 hp. Under the hood, the contrast is notable: the Jaguar XJ6 uses a Inline-6 DOHC displacing 4,235 cc, while the Daimler Double-Six relies on a V12 SOHC with 5,343 cc. In the sprint to 60 mph, the 1972 Daimler Double-Six V12 Vanden Plas edges ahead at 7.4 seconds versus 8.8 seconds. The Jaguar XJ6 carries a weight advantage, tipping the scales 599 lbs lighter. Both cars have earned their place in automotive history and continue to captivate enthusiasts around the world.