1978 Jaguar XJS Base
Unverified
All photo credits
- Photo: 1985 Jaguar XJS Coupe H.E. in Regent Grey Clearcoat Metallic, Front Left, 05-27-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1989 Lister Jaguar XJS 6.0L V12 by Calreyn88, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1985 Jaguar XJ-SC 5.3 V12 in Morges 2012 - Side by Akela NDE ( talk ), CC BY-SA 2.0 fr, via Wikimedia Commons
- Photo: 1985 Jaguar XJS Coupe H.E. in Regent Grey Clearcoat Metallic, Rear Left, 05-27-2023 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1985 Jaguar XJ-S HE TWR085-Dashboard by ZidaneHartono, CC BY-SA 4.0, via Wikimedia Commons
The 1978 Jaguar XJS Base is a 5.3-liter V12 with a 3-speed automatic and rear-wheel drive.
The XJS measures 191.7 inches long on a 102.0-inch wheelbase.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Coupe |
| Powertrain | Gas |
| Engine | |
| Engine Type | 5.3L V12 SOHC |
| Displacement | 5.3 L |
| Valvetrain | SOHC, 2 valves/cylinder |
| Injection Type | Carburetor |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 3-speed automatic |
| Dimensions & Weight | |
| Length | 191.72 in |
| Width | 70.6 in |
| Height | 50 in |
| Wheelbase | 102 in |
Similar cars
Rivals to the 1978 Jaguar XJS Base with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
2 recalls on file with NHTSA for the 1978 Jaguar XJS. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Jul 2, 1990 · FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
EXCESSIVE FUEL VAPOR PRESSURE CAN OCCUR THAT, AFTER PROLONGED CYCLING, COULD WEAKEN THE FUEL TANK STRUCTURE.
Consequence: THIS CAN CAUSE FUEL TANK LEAKS WHICH, IN THE PRESENCE OFAN IGNITION SOURCE, COULD RESULT IN A VEHICLE FIRE.
Remedy: INSTALL A REVISED FUEL PURGE SYSTEM WHICH ELIMINATES EXCESSIVE VAPOR PRESSURE BUILD-UP.
NHTSA campaign 90V123000
Mar 21, 1978 · FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
THE AIR PIPE AND FUEL LINE PIPE MAY CONTACT EACH OTHER AND RESULT IN CHAFING OF THE FUEL RAIL.
Remedy: THE DEALER WILL REROUTE AIR OR FUEL LINE TO PRECLUDE CONTACT, WITHOUT CHARGE TO OWNER.
NHTSA campaign 78V060000
1 owner complaint to NHTSA for the 1978 Jaguar XJS
Owner Complaints
1 owner complaint filed with NHTSA for the 1978 Jaguar XJS. See all on nhtsa.gov
| Fuel System | 1 |
| Gasoline | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1978 JAGUAR XJS. US-market vehicles only; data cached for up to 7 days.