UK vs UK — 1961 vs 1968
| Mk2 3.8 Litre | XJ6 Series I 4.2 | |
|---|---|---|
| Horsepower | 220 hp | 245 hp |
| Torque | 240 lb-ft | 283 lb-ft |
| Engine Size | 3,781 cc | 4,235 cc |
| 0-60 mph | 8.5 sec | 8.8 sec |
| Top Speed | 125 mph | 122 mph |
| ¼ Mile | 16.3 sec | 16.5 sec |
| Weight | 3,261 lbs | 3,722 lbs |
| Wheelbase | 2,731 mm | 2,762 mm |
| Length | 4,581 mm | 4,972 mm |
| Units Produced | 30,141 | 82,127 |
| Original MSRP | $4,564 | $6,560 |
| Value (Excellent) | $150,000 | $75,000 |
| Collectibility | 8/10 | 7/10 |
| Rarity | 5/10 | 5/10 |
The 1961 Jaguar Mk2 3.8 Litre holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1968 Jaguar XJ6 Series I 4.2 brings more power, better value and remains a compelling choice for enthusiasts who value Jaguar heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
The 1961 Jaguar Mk2 3.8 Litre and 1968 Jaguar XJ6 Series I 4.2 share a manufacturer in Jaguar, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Jaguar brand. The 1968 Jaguar XJ6 Series I 4.2 holds a clear advantage in raw power with 245 hp compared to 220 hp, a 25-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1961 Jaguar Mk2 3.8 Litre edges ahead at 8.5 seconds versus 8.8 seconds. The Jaguar Mk2 carries a weight advantage, tipping the scales 461 lbs lighter. Whether you prioritize driving dynamics, heritage, or aesthetic appeal, both contenders make a strong case for themselves.