Skip navigation
fueleconomy.gov/m

Compare Cars

2015 Chevrolet Impala Bi-Fuel (CNG) Delete vehicle

2015 Chevrolet Impala Bi-Fuel  (CNG)

3.6 L, 6 cyl, Auto (S6), Regular Gasoline or Natural Gas

EPA Fuel Economy

Regular Gasoline

Combined: 20 mpg

City: 17 mpg

Highway: 25 mpg

Natural Gas

Combined: 19 mpg

City: 16 mpg

Highway: 24 mpg

MPG estimates for 2016 and older vehicles may have been revised. Learn More

Regular Gasoline

Range: 368 miles

Natural Gas

Range: 119 miles

Annual Fuel Cost*

Gas: $2,700

CNG: $2,350

Cost to Drive 25 Miles

Gas: $4.54

CNG: $3.88

Tank Size: Not available

Cost to Fill the Tank

Gas: Not available

CNG: Not available

Miles on a Tank

Gas: Not available

CNG: Not available

*Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize

Learn More

Where can I buy liquified natural gas?

Regular Gasoline

14.9 barrels per year

Natural Gas

0.1 barrels

Learn More

Tailpipe CO2

Regular Gasoline

437 grams per mile

Natural Gas

370 grams per mile

Tailpipe and Upstream

Regular Gasoline

Natural Gas

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

2015 Audi A7 quattro Delete vehicle

2015 Audi A7 quattro

3.0 L, 6 cyl, Auto (S8), Diesel

MSRP: $65,900 - $72,150

EPA Fuel Economy

Combined: 29 mpg

City: 24 mpg

Highway: 38 mpg

MPG estimates for 2016 and older vehicles may have been revised. Learn More

Range: 557 miles

Annual Fuel Cost*: $2,100

Cost to Drive 25 Miles: $3.47

Tank Size: 19.2 gallons

Cost to Fill the Tank: $77

Miles on a Tank: 557 miles

*Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize

Learn More

Where can I buy biodiesel?

12.3 barrels per year

Learn More

Tailpipe CO2

349 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

2000 Saab 9-5 Delete vehicle

2000 Saab 9-5

2.3 L, 4 cyl, Man 5-spd, Regular Gasoline

EPA Fuel Economy

Combined: 21 mpg

City: 18 mpg

Highway: 27 mpg

MPG estimates for 2016 and older vehicles may have been revised. Learn More

Annual Fuel Cost*: $2,600

Cost to Drive 25 Miles: $4.32

Tank Size: Not available

Cost to Fill the Tank: Not available

Miles on a Tank: Not available

*Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize

Learn More

14.2 barrels per year

Learn More

Tailpipe CO2

423 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

2014 Audi R8 Delete vehicle

2014 Audi R8

5.2 L, 10 cyl, Auto (AM-S7), Premium Gasoline

MSRP: $114,900 - $179,645

EPA Fuel Economy

Combined: 16 mpg

City: 13 mpg

Highway: 22 mpg

MPG estimates for 2016 and older vehicles may have been revised. Learn More

Range: 317 - 381 miles

Annual Fuel Cost*: $4,250

Cost to Drive 25 Miles: $7.09

Tank Size: 19.8-23.8 gallons

Cost to Fill the Tank: $90-$108

Miles on a Tank: 317-381 miles

*Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize

Learn More

18.6 barrels per year

Learn More

Tailpipe CO2

557 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

2004 Jaguar XKR Convertible Delete vehicle

2004 Jaguar XKR Convertible

4.2 L, 8 cyl, Auto 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 17 mpg

City: 14 mpg

Highway: 21 mpg

MPG estimates for 2016 and older vehicles may have been revised. Learn More

Range: 338 miles

Annual Fuel Cost*: $4,000

Cost to Drive 25 Miles: $6.68

Tank Size: 19.9 gallons

Cost to Fill the Tank: $90

Miles on a Tank: 338 miles

*Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize

Learn More

17.5 barrels per year

Learn More

Tailpipe CO2

523 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More