UK vs UK — 1981 vs 1975
| XJ-S V12 HE | XJ-C 5.3 V12 | |
|---|---|---|
| Horsepower | 299 hp | 285 hp |
| Torque | — | 304 lb-ft |
| Engine Size | 5,343 cc | 5,343 cc |
| 0-60 mph | — | 7.4 sec |
| Top Speed | — | 143 mph |
| ¼ Mile | — | 15.5 sec |
| Weight | — | 4,090 lbs |
| Wheelbase | 2,591 mm | 2,764 mm |
| Length | 4,770 mm | 4,902 mm |
| Units Produced | — | 1,855 |
| Original MSRP | — | $18,500 |
| Value (Excellent) | $45,000 | $150,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 10/10 | 8/10 |
Two outstanding machines, each with compelling strengths. The 1981 Jaguar XJ-S V12 HE excels in better value, while the 1975 Jaguar XJ-C 5.3 V12 stands out for stronger collectibility. The best advice? Drive both if you can, then follow your instincts.
Tracing the evolution of the Jaguar XJ-S from 1981 to 1975 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Jaguar. On paper, the two are remarkably close in power output, with the 1981 Jaguar XJ-S V12 HE producing 299 hp and the 1975 Jaguar XJ-C 5.3 V12 delivering 285 hp. Under the hood, the contrast is notable: the Jaguar XJ-S uses a V12 displacing 5,343 cc, while the Jaguar XJ-C relies on a V12 SOHC with 5,343 cc. On the collector market, the 1975 Jaguar XJ-C 5.3 V12 commands a significant premium over the 1981 Jaguar XJ-S V12 HE, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1975 Jaguar XJ-C 5.3 V12 rates higher among enthusiasts and auction houses.