Jaguar XJ MPG

Its best-rated version reaches 21 MPG combined in 2013–2019. Its weakest year peaked at 15 MPG (1984–1987).

lowest to best versionbest versionmedian of its classengine list turned over

714.3 gal

a year at 15,000 miles for the best 2019 version. Put it next to its 1984 predecessor, at your own mileage.

The Jaguar XJ has EPA ratings for 36 model years, 1984–2019, most often among large cars. In 1996 even its most efficient version shared the lowest rating of 34 midsize cars; it sat in its class's bottom five in 14 model years.

Averaged over 1989–1993, its best version placed third from the bottom of 40 among compact cars rated at least three years in that span, and it was in the bottom five in one other five-year span. Of the 991 car nameplates on this site, few have had a flex-fuel version (40 of them); this one has.

Among 29 large cars, 2019

The XJ placed 21st (tied). The class leader was the Hyundai Ioniq at 58 MPG. The next higher rating, 22 MPG, is shared by two nameplates.

The XJ, five years at a time

Average rating of its best version per span, placed in the class it sat in most often.

1984–8852nd of 57subcompact cars

1989–9338th of 40compact cars

1994–9840th of 43compact cars

1999–0341st of 46compact cars

2004–0812th of 34large cars

2009–1317th of 30large cars

2014–1822nd of 29large cars

Where the engine list turned over

1988
New: 3.6-liter 6-cylinder. Best rating 15 → 19 MPG.
1990
New: 4.0-liter 6-cylinder. Best rating 18 → 17 MPG.
1998
New: 4.0-liter 8-cylinder. Best rating 18 → 18 MPG.
2004
New: 4.2-liter 8-cylinder. Best rating 18 → 19 MPG.
2010
New: 5.0-liter 8-cylinder. Best rating 19 → 19 MPG.
2013
New: 3.0-liter 6-cylinder, 5.0-liter 8-cylinder flex-fuel. Best rating 19 → 21 MPG.

Powertrains under the name

Gasoline
Rated in 1984–2019.
Flex-fuel
Rated in 2013–2015.

Other names on this page

The Jaguar Vdp (2004–2009) carried the same EPA ratings in the years they overlap, so it is covered by this page.

All 36 model years, best and lowest version

Model years	Best version	Combined	City / hwy	Lowest version	Versions
2018–2019	XJ	21	18 / 27	18	6
2016–2017	XJ	21	18 / 27	18	3
2014–2015	XJ FFV flex-fuel	21	18 / 27	18	4
2013	XJ	21	18 / 27	18	8
2011–2012	XJ	19	16 / 23	17	4
2010	XJ	19	16 / 23	17	3
2009	XJ	19	16 / 25	19	2
2006–2008	XJ8	19	16 / 25	19	2
2005	XJ8 4.2 Litre	19	16 / 25	19	2
2004	XJ8 4.2 Litre	19	16 / 25	19	1
2002–2003	XJ Sport	18	15 / 22	18	2
1999–2001	XJ8	18	15 / 22	18	2
1998	XJ8	18	16 / 22	18	2
1997	XJ6	18	15 / 22	18	2
1995–1996	XJ6	18	15 / 22	12	2
1994	XJ6	18	15 / 22	13	2
1993	XJ6	18	15 / 22	18	1
1990–1992	XJ6	17	15 / 20	17	1
1989	XJ6	18	15 / 22	18	1
1988	XJ6	19	16 / 23	18	2
1986–1987	XJ6	15	14 / 17	15	1
1985	XJ	15	14 / 17	15	1
1984	XJ	15	14 / 17	15	2

Version names in the EPA list: XJ, XJ AWD, XJ FFV, XJ LWB, XJ LWB AWD, XJ Sport, XJ12, XJ6, XJ6L, XJ8, XJ8 4.2 Litre, XJ8L, XJ8l, XJL, XJL AWD.

Same class, 2019

Hyundai Ioniq58 MPG Genesis G8021 MPG Kia K90021 MPG Rolls-Royce Phantom14 MPG