Jaguar XJS MPG and Fuel Economy

Jaguar have been manufacturing models of XJS for 4 years, with the latest vehicle in 1987 having a combined MPG of 14.

The estimated fuel cost for the 1987 Jaguar XJS is $4,450 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $10,750 more on fuel driving a 1987 Jaguar XJS.

🛢 The Jaguar XJS will consume roughly 21 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Jaguar XJS will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Jaguar XJS.

The table below is a complete list of the 4 Jaguar XJS fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

VehicleCombined MPGFuel Cost
1987 Jaguar XJS14$4,450
1986 Jaguar XJS13$4,800
1985 Jaguar XJS13$4,800
1984 Jaguar XJS13$4,800

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Jaguar XJS MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/jaguar/xjs.

  • "Jaguar XJS MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/jaguar/xjs. Accessed January 3, 2026.

  • Jaguar XJS MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/jaguar/xjs.