The 2000 Audi A8 has a fuel tank capacity of 23.0 to 24.2 gallons (87–92 liters), depending on the trim. The most common size is 24.2 gallons, used on 1 trim.
A full tank is good for roughly 506–532 highway miles or 345–363 miles around town, going by the EPA ratings.
020 gal40 gal
24.2 gal · Bigger than 78% of 2000 models we list.
quattro 4dr Sedan AWD4.2L 8cyl 5A · AWDMPG 15 / 22Range 345 / 506 mi
4.2L 8cyl 5A
AWD
23.0 gal87 L
15 / 22
345 / 506 mi
L quattro 4dr Sedan AWD4.2L 8cyl 5A · AWDMPG 15 / 22Range 363 / 532 mi
4.2L 8cyl 5A
AWD
24.2 gal92 L
15 / 22
363 / 532 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 2000 Audi A8 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 18 MPG, a full 24.2-gallon tank covers about 436 miles.
Gauge
Gallons
Highway miles
City miles
Full
24.2
532
363
3/4
18.2
399
272
1/2
12.1
266
182
1/4
6.1
133
91
1/8
3.0
67
45
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 34 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.
Other 2000 sedans of a similar size, one model per brand.
2000 Audi A8 fuel system recalls
NHTSA lists 1 fuel-system recall for the 2000 Audi A8, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Storage · Tank assembly · Filler pipe and capAug 15, 2001 · NHTSA 01V259000 · Volkswagen Of America,Inc · 600 vehicles
Vehicle description: passenger vehicles equipped with a fuel and vapor leak detection system. A "blind cover" at the filler neck of the fuel tank may not seal properly allowing fuel vapor to escape.
Risk and remedy
Risk: Should this happen, the fuel tank pressure will be reduced, which will activate the leak detection system and alert the driver of a system's fault indicated by an instrument panel light.
Remedy: Dealers will replace the fuel filler neck/expansion tank assembly. Owner notification began march 21, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact audi at 1-866-892-2834.
What is the fuel tank capacity of the 2000 Audi A8?
The 2000 Audi A8 holds between 23.0 and 24.2 gallons, depending on the trim. 24.2 gallons is the usual size; the smaller 23.0-gallon tank is on the quattro 4dr Sedan AWD.
How many gallons and liters does the 2000 Audi A8 gas tank hold?
The 2000 Audi A8 tank holds 87–92 liters, or 23.0–24.2 gallons in US gallons.
Which 2000 Audi A8 has the biggest gas tank?
The 24.2-gallon tank is on the L quattro 4dr Sedan AWD. The smallest tank, 23.0 gallons, is on the quattro 4dr Sedan AWD.
How far can a 2000 Audi A8 go on a full tank?
About 506–532 miles on the highway and 345–363 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 2000 Audi A8 go on a quarter tank?
About 133 highway miles or 91 in town from the 24.2-gallon tank, which has roughly 6.1 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2000 Audi A8 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2000 Audi A8?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 24.2-gallon tank from empty costs $103.33. It ranges from $89.54 in the Gulf Coast to $142.54 in California.
How much does a full tank of gas weigh in a 2000 Audi A8?
About 150 pounds for the 24.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2000 Audi A8 have a bigger gas tank than the Jaguar XJ-Series?
Yes. The 2000 Audi A8 holds up to 24.2 gallons; the 2000 Jaguar XJ-Series holds up to 23.1.
Has the 2000 Audi A8 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2000 Audi A8: 01V259000 (storage · tank assembly · filler pipe and cap). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Sources
Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).