UK vs UK — 1961 vs 1966
| E-Type Series 1 3.8 FHC | XJ13 Prototype | |
|---|---|---|
| Horsepower | 265 hp | 502 hp |
| Torque | 260 lb-ft | 360 lb-ft |
| Engine Size | 3,781 cc | 4,994 cc |
| 0-60 mph | 6.9 sec | 3.4 sec |
| Top Speed | 150 mph | 174 mph |
| ¼ Mile | 14.7 sec | 11.2 sec |
| Weight | 2,689 lbs | 2,000 lbs |
| Wheelbase | 2,438 mm | 2,438 mm |
| Length | 4,445 mm | 4,300 mm |
| Units Produced | 7,828 | 1 |
| Original MSRP | $5,595 | — |
| Value (Excellent) | $450,000 | — |
| Collectibility | 10/10 | 10/10 |
| Rarity | 7/10 | 10/10 |
The 1966 Jaguar XJ13 Prototype emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1961 Jaguar E-Type Series 1 3.8 FHC counters with its unique character, 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.
The 1961 Jaguar E-Type Series 1 3.8 FHC and 1966 Jaguar XJ13 Prototype 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 1966 Jaguar XJ13 Prototype holds a clear advantage in raw power with 502 hp compared to 265 hp, a 237-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar E-Type uses a Inline-6 DOHC (XK) displacing 3,781 cc, while the Jaguar XJ13 relies on a V12 DOHC with 4,994 cc. In the sprint to 60 mph, the 1966 Jaguar XJ13 Prototype edges ahead at 3.4 seconds versus 6.9 seconds. The Jaguar XJ13 carries a weight advantage, tipping the scales 689 lbs lighter. Rarity plays a significant role here — with only 1 units built, the 1966 Jaguar XJ13 Prototype is considerably scarcer than the Jaguar E-Type's 7,828 examples.