UK vs UK — 1966 vs 2013
| XJ13 Prototype | XFR-S 5.0 Supercharged | |
|---|---|---|
| Horsepower | 502 hp | 542 hp |
| Torque | 360 lb-ft | 502 lb-ft |
| Engine Size | 4,994 cc | 5,000 cc |
| 0-60 mph | 3.4 sec | 4.4 sec |
| Top Speed | 174 mph | 186 mph |
| ¼ Mile | 11.2 sec | 12.6 sec |
| Weight | 2,000 lbs | 4,174 lbs |
| Wheelbase | 2,438 mm | 2,909 mm |
| Length | 4,300 mm | 4,966 mm |
| Units Produced | 1 | 500 |
| Original MSRP | — | $99,000 |
| Value (Excellent) | — | $70,000 |
| Collectibility | 10/10 | 7/10 |
| Rarity | 10/10 | 7/10 |
On balance, the 1966 Jaguar XJ13 Prototype makes a stronger case on paper with quicker acceleration, lighter weight, greater rarity. However, the 2013 Jaguar XFR-S 5.0 Supercharged counters with higher top speed, and its appeal extends beyond mere numbers. Choose the 1966 Jaguar XJ13 Prototype for outright capability, or the 2013 Jaguar XFR-S 5.0 Supercharged for a more distinctive ownership experience.
Jaguar has long offered a diverse lineup, and comparing the 1966 Jaguar XJ13 Prototype with the 2013 Jaguar XFR-S 5.0 Supercharged highlights the breadth of the marque's engineering philosophy. The 2013 Jaguar XFR-S 5.0 Supercharged holds a clear advantage in raw power with 542 hp compared to 502 hp, a 40-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar XJ13 uses a V12 DOHC displacing 4,994 cc, while the Jaguar XFR-S relies on a V8 DOHC Supercharged with 5,000 cc. In the sprint to 60 mph, the 1966 Jaguar XJ13 Prototype edges ahead at 3.4 seconds versus 4.4 seconds. The Jaguar XJ13 carries a weight advantage, tipping the scales 2174 lbs lighter. Rarity plays a significant role here — with only 1 units built, the 1966 Jaguar XJ13 Prototype is considerably scarcer than the Jaguar XFR-S's 500 examples. From a collectibility standpoint, the 1966 Jaguar XJ13 Prototype rates higher among enthusiasts and auction houses.