Jaguar XJ 1986 fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | |||
|---|---|---|---|---|
| All carmakers | Jaguar XJ | |||
| 1990 | +5% | +10% | ||
| Show all years | ||||
| 1991 | +5% | +10% | ||
| 1992 | +5% | +10% | ||
| 1993 | +5% | +10% | ||
| 1994 | +6% | +10% | ||
See below for the actual consumption of generations and versions of Jaguar XJ.
Jaguar XJ 1986 fuel economy
| Average advertised fuel consumption for petrol engines | 21.2 MPG 11.1 l/100km |
| Average real-world fuel consumption for petrol engines | 19.8 MPG 11.9 l/100km |
| Average real gasoline consumption difference * | +10% |
According to advertised fuel consumption, Jaguar XJ 1986 with automatic transmission have almost the same fuel economy as similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Jaguar XJ with automatic transmission consumes around 0.4 litres per 100 km or 3% less fuel than a version with the same engine but a manual gearbox.
Compared to similar cars of other manufacturers, the Jaguar XJ advertised fuel economy is significantly above average, but according to available user reports on actual consumption, real fuel economy is slightly worse than average.
Of all modifications the best advertised fuel economy in its class has Jaguar XJ with 2.9 petrol engine and manual transmission (Jaguar XJ 1986 6 2.9 150 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 2.9 liter petrol engine | ||
| Jaguar XJ 1986 6 2.9 150 HP manual | 22.8 MPG 10.3 l/100km |
|
| Jaguar XJ 1986 6 2.9 150 HP automatic | 21.8 MPG 10.8 l/100km |
|
| 3.2 liter petrol engine | ||
| Jaguar XJ 1990 6 3.2 200 HP manual | 21.2 MPG 11.1 l/100km |
19.4 MPG 12.1 l/100km+9% |
| Jaguar XJ 1990 6 3.2 200 HP automatic | 22.2 MPG 10.6 l/100km |
20.1 MPG 11.7 l/100km+10% |
| 3.6 liter petrol engine | ||
| Jaguar XJ 1986 6 3.6 203 HP automatic | 19.9 MPG 11.8 l/100km |
|
| Jaguar XJ 1987 6 3.6 203 HP manual | 19.8 MPG 11.9 l/100km |
|
| 4.0 liter petrol engine | ||
| Jaguar XJ 1989 6 4.0 226 HP manual | 20.8 MPG 11.3 l/100km |
|
| Jaguar XJ 1989 6 4.0 226 HP automatic | 21.6 MPG 10.9 l/100km |
|
* - Difference between advertised and user reported fuel economy has been calculated taking into account only those car versions for which information is available both on the fuel consumption specified by the manufacturer and reported by users.