2017 Jaguar XJ — Full Specifications
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The 2017 Jaguar XJ is a saloon/sedan offered with 2 engines (3L 6-cyl supercharged, 5L 8-cyl supercharged). Its most fuel-efficient configuration returns around 25 mpg (UK) / 21 mpg (US EPA) combined, with 22–25 mpg (UK) across all configurations. Owners often keep a Jaguar XJ workshop manual to hand for servicing and repairs.
Compared with the 2016 Jaguar XJ: Fuel economy is essentially unchanged at around 25 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 3L 6-cyl supercharged |
|---|---|
| Engine options | 3L 6-cyl supercharged · 5L 8-cyl supercharged |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 102 cu ft (2,888 L) |
| Luggage Volume (EPA) | 18 cu ft (510 L) |
| Fuel Economy (UK) | 25 combined / 22 urban / 32 extra-urban mpg |
| Fuel Economy (US EPA) | 21 combined / 18 city / 27 highway mpg |
| CO₂ Emissions | 258 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,900 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2017 Jaguar XJ across 2 engines (3L 6-cyl supercharged, 5L 8-cyl supercharged). Combined fuel economy ranges from 18 to 21 mpg (US), or 22 to 25 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3L 6-cyl supercharged | Automatic (S8) | All-Wheel Drive | 24 | 20 (17/26) | 276 | $4,100 |
| 3L 6-cyl supercharged | Automatic (S8) | Rear-Wheel Drive | 25 | 21 (18/27) | 258 | $3,900 |
| 5L 8-cyl supercharged | Automatic (S8) | Rear-Wheel Drive | 22 | 18 (15/23) | 313 | $4,550 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 102 cubic feet (about 2,888 litres) and luggage volume at 18 cubic feet (about 510 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2017 Jaguar XJ
Running Costs: 2017 Jaguar XJ
Covering around 8,000 miles a year in a 2017 Jaguar XJ at 25 mpg combined, expect roughly 1,455 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,900 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2017 Jaguar XJ Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2017 Jaguar XJ as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 2 complaints with NHTSA about the 2017 Jaguar XJ. The most-reported areas are Electrical system (2), Exterior lighting (1).
Used-buyer checklist for the 2017 Jaguar XJ
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (2 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Lighting (1 owner complaint) — Check every exterior light works and look for moisture inside the lamp housings.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
Jaguar models in our database average about 28 mpg (UK) combined on their most efficient configuration; the 2017 Jaguar XJ's 25 mpg is 3 mpg below that make average. Its 258 g/km CO₂ figure is 15 g/km higher than the 243 g/km Jaguar average.
Of the 10 Jaguar XJ model years we cover, the 2017 is the most economical on its best configuration (25 mpg UK combined). See every Jaguar XJ year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2017 Jaguar XJ
Frequently Asked Questions
What engine does the 2017 Jaguar XJ have?
EPA lists 2 engines for the 2017 Jaguar XJ: 3L 6-cyl supercharged, 5L 8-cyl supercharged. The most fuel-efficient configuration pairs the 3L 6-cyl supercharged with a automatic (s8).
What is the fuel economy of the 2017 Jaguar XJ?
The most efficient configuration returns around 25 mpg (UK) combined, or 21 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 22 to 25 mpg.
How much does the 2017 Jaguar XJ cost to fuel per year?
The US EPA estimates about $3,900 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2017 Jaguar XJ have any recalls?
NHTSA lists no safety recall campaigns for the 2017 Jaguar XJ as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2017 Jaguar XJ?
Among the 2 owner complaints filed with NHTSA, the most-reported areas are Electrical system (2 complaints), Exterior lighting (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2017 Jaguar XJ have?
EPA measures interior passenger volume at 102 cubic feet (about 2,888 litres) and luggage volume at 18 cubic feet (about 510 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.