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

2009 Dodge Ram 1500 Pickup 4WD Delete vehicle

2009 Dodge Ram 1500 Pickup 4WD

5.7 L, 8 cyl, Auto 5-spd, Regular Gasoline

EPA Fuel Economy

Combined: 15 mpg

City: 13 mpg

Highway: 18 mpg

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

Range: 390 - 480 miles

Average: 17.1 mpg

Range: 13  to  22 mpg

Based on 8 vehicles

Learn More

Annual Fuel Cost*: $3,650

Cost to Drive 25 Miles: $6.05

Tank Size: 26.0-32.0 gallons

Cost to Fill the Tank: $94-$116

Miles on a Tank: 390-480 miles

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

Learn More

19.8 barrels per year

Learn More

Tailpipe CO2

592 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

2019 GMC Sierra K10 4WD Delete vehicle

2019 GMC Sierra K10 4WD

6.2 L, 8 cyl, Auto 10-spd, Premium Gasoline

MSRP: $34,200 - $58,300

EPA Fuel Economy

Combined: 17 mpg

City: 15 mpg

Highway: 20 mpg

Range: 408 miles

Annual Fuel Cost*: $4,000

Cost to Drive 25 Miles: $6.68

Tank Size: 24.0 gallons

Cost to Fill the Tank: $109

Miles on a Tank: 408 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

525 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More

1986 Ford Tempo Delete vehicle

1986 Ford Tempo

2.0 L, 4 cyl, Man 5-spd, Diesel

EPA Fuel Economy

Combined: 34 mpg

City: 31 mpg

Highway: 39 mpg

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

Annual Fuel Cost*: $1,750

Cost to Drive 25 Miles: $2.96

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

Where can I buy biodiesel?

10.5 barrels per year

Learn More

Tailpipe CO2

299 grams per mile

Tailpipe and Upstream

 Upstream (g/mi)

 Tailpipe (g/mi)

Learn More

Learn More