2008 Jaguar XK-Series Gas Tank Size & Fuel Capacity
Fuel tank capacity
18.8gal · 71 L
The 2008 Jaguar XK-Series has a fuel tank capacity of 18.8 gallons (71 liters) on every trim.
A full tank is good for roughly 432–470 highway miles or 282–301 miles around town, going by the EPA ratings.
18.8 gal · Smaller than 53% of 2008 models we list.
2008 Jaguar XK-Series fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 4 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| XK 2dr Convertible 4.2L 8cyl 6A · RWD MPG 16 / 25Range 301 / 470 mi | 4.2L 8cyl 6A | RWD | 18.8 gal71 L | 16 / 25 | 301 / 470 mi | |
| XK 2dr Coupe 4.2L 8cyl 6A · RWD MPG 16 / 25Range 301 / 470 mi | 4.2L 8cyl 6A | RWD | 18.8 gal71 L | 16 / 25 | 301 / 470 mi | |
| XKR 2dr Convertible 4.2L 8cyl S/C 6A · RWD MPG 15 / 23Range 282 / 432 mi | 4.2L 8cyl S/C 6A | RWD | 18.8 gal71 L | 15 / 23 | 282 / 432 mi | |
| XKR 2dr Coupe 4.2L 8cyl S/C 6A · RWD MPG 15 / 23Range 282 / 432 mi | 4.2L 8cyl S/C 6A | RWD | 18.8 gal71 L | 15 / 23 | 282 / 432 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2008 Jaguar XK-Series goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 19 MPG, a full 18.8-gallon tank covers about 357 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.8 | 470 | 301 |
| 3/4 | 14.1 | 353 | 226 |
| 1/2 | 9.4 | 235 | 150 |
| 1/4 | 4.7 | 118 | 75 |
| 1/8 | 2.4 | 59 | 38 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 gallons, roughly 42 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
What it costs to fill up a 2008 Jaguar XK-Series
$99.26 to fill the 18.8-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 18.8 gal | Premium | $5.28 | $99.26 | $74.45 |
By region, 18.8-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $92.68 |
| Midwest | $5.37 | $100.96 |
| Gulf CoastLowest | $4.57 | $85.92 |
| Rocky Mountain | $5.12 | $96.26 |
| West Coast | $6.08 | $114.30 |
| CaliforniaHighest | $6.36 | $119.57 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 18.8-gallon tank$99.26
- A year of driving (15,000 mi)$4,168
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
XK-Series tank size in other years
The 2008 XK-Series uses the same 18.8 gal tank as the 2007 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2008 XK-Series | 18.8 gal | 470 mi |
| 2007 XK-Series | 18.8 gal | 470 mi |
| 2006 XK-Series | 19.9 gal | 478 mi |
| 2005 XK-Series | 19.9 gal | 478 mi |
| 2004 XK-Series | 19.9 gal | 478 mi |
| 2003 XK-Series | 19.9 gal | 478 mi |
2008 Jaguar XK-Series vs similar 2008 convertibles
The XK-Series has the largest tank of the five 2008 convertibles compared here, 18.8 gallons against 16.6 for the BMW M3.
| 2008 model | Tank | Longest highway range |
|---|---|---|
| Jaguar XK-Series | 18.8 gal | 470 mi |
| BMW M3 | 16.6 gal | 332 mi |
| Audi RS 4 | 16.6 gal | 332 mi |
| Mercedes-Benz CLK-Class | 16.4 gal | 410 mi |
| Volvo C70 | 16.4 gal | 443 mi |
Other 2008 convertibles of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2008 Jaguar XK-Series?
The 2008 Jaguar XK-Series holds 18.8 gallons (71 liters) on every trim we list.
How many gallons and liters does the 2008 Jaguar XK-Series gas tank hold?
The 2008 Jaguar XK-Series tank holds 71 liters, or 18.8 gallons in US gallons.
How far can a 2008 Jaguar XK-Series go on a full tank?
About 432–470 miles on the highway and 282–301 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2008 Jaguar XK-Series go on a quarter tank?
About 118 highway miles or 75 in town from the 18.8-gallon tank, which has roughly 4.7 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2008 Jaguar XK-Series take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2008 Jaguar XK-Series?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 18.8-gallon tank from empty costs $99.26. It ranges from $85.92 in the Gulf Coast to $119.57 in California.
How much does a full tank of gas weigh in a 2008 Jaguar XK-Series?
About 117 pounds for the 18.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Jaguar XK-Series have a bigger gas tank than the BMW M3?
Yes. The 2008 Jaguar XK-Series holds up to 18.8 gallons; the 2008 BMW M3 holds up to 16.6.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.