2014 Jaguar XJL — Full Specifications
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The 2014 Jaguar XJL is a saloon/sedan offered with 2 engines (3L 6-cyl supercharged, 5L 8-cyl supercharged). Its most fuel-efficient configuration returns around 24 mpg (UK) / 20 mpg (US EPA) combined, with 22–24 mpg (UK) across all configurations. Owners often keep a Jaguar XJL workshop manual to hand for servicing and repairs.
Compared with the 2013 Jaguar XJL: Fuel economy is essentially unchanged at around 24 mpg (UK) combined. EPA lists new engine options for 2014: 3L 6-cyl supercharged. No longer listed: 5L 8-cyl.
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) | 109 cu ft (3,087 L) |
| Luggage Volume (EPA) | 18 cu ft (510 L) |
| Fuel Economy (UK) | 24 combined / 20 urban / 32 extra-urban mpg |
| Fuel Economy (US EPA) | 20 combined / 17 city / 27 highway mpg |
| CO₂ Emissions | 275 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,100 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 4 configurations for the 2014 Jaguar XJL across 2 engines (3L 6-cyl supercharged, 5L 8-cyl supercharged). Combined fuel economy ranges from 18 to 20 mpg (US), or 22 to 24 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 | 23 | 19 (16/24) | 292 | $4,350 |
| 3L 6-cyl supercharged | Automatic (S8) | Rear-Wheel Drive | 24 | 20 (17/27) | 275 | $4,100 |
| 5L 8-cyl supercharged | Automatic (S8) | Rear-Wheel Drive | 22 | 18 (15/23) | 313 | $4,550 |
| 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 109 cubic feet (about 3,087 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 2014 Jaguar XJL
Running Costs: 2014 Jaguar XJL
Covering around 8,000 miles a year in a 2014 Jaguar XJL at 24 mpg combined, expect roughly 1,515 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,100 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.
2014 Jaguar XJL 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.
How It Compares
Jaguar models in our database average about 28 mpg (UK) combined on their most efficient configuration; the 2014 Jaguar XJL's 24 mpg is 4 mpg below that make average. Its 275 g/km CO₂ figure is 32 g/km higher than the 243 g/km Jaguar average.
Of the 7 Jaguar XJL model years we cover, the 2014 ranks 5th for combined fuel economy on its best configuration (24 mpg UK combined, against a high of 25 mpg). See every Jaguar XJL 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 2014 Jaguar XJL
Frequently Asked Questions
What engine does the 2014 Jaguar XJL have?
EPA lists 2 engines for the 2014 Jaguar XJL: 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 2014 Jaguar XJL?
The most efficient configuration returns around 24 mpg (UK) combined, or 20 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 22 to 24 mpg.
How much does the 2014 Jaguar XJL cost to fuel per year?
The US EPA estimates about $4,100 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.
How much interior and luggage space does the 2014 Jaguar XJL have?
EPA measures interior passenger volume at 109 cubic feet (about 3,087 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.