Against 329 other V6 cars rated 1995–1997, the XJ6 sits right on their 18.8 mpg average. Averaged over the years each was sold, the most economical engine since 1986, the 3.6L 6-cyl (1988–1989), does 18.5 mpg and the thirstiest, the 4.2L 6-cyl (1986–1987), 15: $484 a year apart.
Every Jaguar XJ6 engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3.6L 6-cyl | 15.5 / 22.5 | 1988–1989 | $2,076 | |
| 4L 6-cyl | 15 / 21.3 | 1990–1997 | $2,182 | |
| 4.2L 6-cyl | 14 / 17 | 1986–1987 | $2,560 |
What that actually costs
Against its rivals in the same model years, the Audi A4 gets 21 mpg, the Volkswagen Jetta 28.2 mpg and the Subaru Legacy 24.3 mpg, next to 18 mpg for the 1997 XJ6. The XJ6 costs the most of them to run: $771 a year more than the Volkswagen Jetta.
| Measure | Value |
|---|---|
| Cost per mile (1997) | $0.178 |
| Fuel per year | $2,133 |
| Fuel over five years | $10,665 |
| Against other V6 cars, 1995–1997 | +$90 a year |
| EPA's own estimate | $4,317 a year |
City or highway — who is this car for
The 1997 Jaguar XJ6 gives up 7 mpg in town: 22 on the highway against 15 in the city, $815 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (1997) | 15 mpg | $2,560 a year if you only drive in town |
| Highway | 22 mpg | $1,745 a year if you mostly commute |
| Gap | +7 mpg (47%) | Wide — this car dislikes traffic |
How the XJ6 changed over the years
The XJ6 peaked in 1988 at 19 mpg (16 city, 23 highway) and was at its thirstiest in 1987 at 15 — 4 mpg apart, or $539 a year in fuel between buying one year and the other. The 1997 car does 18. The biggest single-year change came in 1988: 15 to 19 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1997 | 15 / 22 | 1 | $2,133 | |
| 1996 | 15 / 22 | 1 | $2,133 | |
| 1995 | 15 / 22 | 1 | $2,133 | |
| 1994 | 15 / 22 | 1 | $2,133 | |
| 1993 | 15 / 22 | 1 | $2,133 | |
| 1992 | 15 / 20 | 1 | $2,259 | |
| 1991 | 15 / 20 | 1 | $2,259 | |
| 1990 | 15 / 20 | 1 | $2,259 | |
| 1989 | 15 / 22 | 1 | $2,133 | |
| 1988 | 16 / 23 | 1 | $2,021 | |
| 1987 | 14 / 17 | 1 | $2,560 | |
| 1986 | 14 / 17 | 1 | $2,560 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 12 EPA ratings of the Jaguar XJ6 — 3 engines across 1986–1997. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $4,317. Full method.
Frequently asked questions
What mpg does the 1997 Jaguar XJ6 get?
18 mpg combined, 15 city and 22 highway, per EPA. Across every year since 1986 the XJ6 has averaged 17.3 mpg.
Is the 1997 XJ6 more efficient than the 1996?
About the same: 18 against 18 mpg combined.
Which XJ6 year has the best gas mileage?
The 1988, at 19 mpg combined (16 city, 23 highway).
Does the XJ6 get better gas mileage than the Audi A4?
No: 18 mpg for the 1997 XJ6 against 21 for the 1998 Audi A4, about $304 a year more to run.
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