2006 rankings · Large Cars

Most Fuel-Efficient 2006 Large Cars, Ranked

We ranked all 33 EPA-rated 2006 large cars by what they cost to fuel. The Hyundai Sonata leads at about $1,860 a year (25 MPG), while the Maserati Quattroporte is the most expensive to run at $4,558 (13 MPG). The median large car costs $3,118 a year to fuel.

Fuel costs assume 15,000 miles a year at $3.10/gal regular, $3.95/gal premium and 18¢/kWh. Each model is shown in its most efficient configuration.

Top 15

Annual fuel cost (lower is better)
  1. 1Hyundai Sonata25 MPG $1,860
  2. 2Toyota Avalon23 MPG $2,022
  3. 3Chevrolet Impala22 MPG $2,114
  4. 4Dodge Charger21 MPG $2,214
  5. 5Chrysler 30021 MPG $2,214
  6. 6Ford Five Hundred21 MPG $2,214
  7. 7Mercury Montego21 MPG $2,214
  8. 8Ford Taurus20 MPG $2,325
  9. 9Buick Lucerne20 MPG $2,325
  10. 10Hyundai Azera20 MPG $2,325
  11. 11Mercury Grand Marquis18 MPG $2,583
  12. 12Lincoln Town Car18 MPG $2,583
  13. 13Ford Crown Victoria18 MPG $2,583
  14. 14Kia Amanti18 MPG $2,583
  15. 15Cadillac DTS18 MPG $2,583

All 33 models

#Model Type Combined Range Fuel / yr
1Hyundai Sonata Gas 25 MPG — $1,860
2Toyota Avalon Gas 23 MPG — $2,022
3Chevrolet Impala Flex-fuel 22 MPG — $2,114
4Dodge Charger Gas 21 MPG — $2,214
5Chrysler 300 Gas 21 MPG — $2,214
6Ford Five Hundred Gas 21 MPG — $2,214
7Mercury Montego Gas 21 MPG — $2,214
8Ford Taurus Gas 20 MPG — $2,325
9Buick Lucerne Gas 20 MPG — $2,325
10Hyundai Azera Gas 20 MPG — $2,325
11Mercury Grand Marquis Gas 18 MPG — $2,583
12Lincoln Town Car Gas 18 MPG — $2,583
13Ford Crown Victoria Gas 18 MPG — $2,583
14Kia Amanti Gas 18 MPG — $2,583
15Cadillac DTS Gas 18 MPG — $2,583
16Infiniti M35 Gas 18 MPG — $2,583
17Lexus LS Gas 19 MPG — $3,118
18Jaguar XJ Gas 19 MPG — $3,118
19Mercedes-Benz S-Class Gas 19 MPG — $3,118
20Jaguar Vdp Gas 19 MPG — $3,118
21BMW 7 Series Gas 18 MPG — $3,292
22Jaguar XJR Gas 18 MPG — $3,292
23Audi A8 Gas 18 MPG — $3,292
24Jaguar Super V8 Gas 18 MPG — $3,292
25Infiniti M45 Gas 18 MPG — $3,292
26Cadillac Funeral Coach/Hearse Gas 14 MPG — $3,321
27Cadillac Limousine Gas 14 MPG — $3,321
28Cadillac Armored DTS Gas 14 MPG — $3,321
29Volkswagen Phaeton Gas 16 MPG — $3,703
30Chrysler 300 SRT8 Gas 15 MPG — $3,950
31Maybach 57 Gas 13 MPG — $4,558
32Maybach 62 Gas 13 MPG — $4,558
33Maserati Quattroporte Gas 13 MPG — $4,558

More 2006 rankings

2006 class rankings

This ranking in other years