2020 head-to-head · Large Car

2020 Chevrolet Impala vs Kia K900

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,114/ year to fuel
22 MPG
✓ Cheaper to run
$2,821/ year to fuel
21 MPG

AWD · 3.3L 6-cyl turbo · 8-speed automatic · 21 MPG

The 2020 Chevrolet Impala is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $2,114 a year to fuel (22 MPG), versus $2,821 for the 2020 Kia K900 (21 MPG). That's roughly $708 a year, or about $3,539 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Chevrolet Impala
  • Kia K900

Side by side

Chevrolet ImpalaKia K900
$2,114 Your annual fuel cost $2,821
22 MPG Combined efficiency 21 MPG
19 MPG City 18 MPG
28 MPG Highway 25 MPG
105 cu ft Passenger volume 110 cu ft
19 cu ft Cargo volume 15 cu ft
406 g/mi Tailpipe CO₂ (g/mi) 431 g/mi
4/10 EPA fuel economy score 4/10
4/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Regular gasoline Fuel Premium gasoline
3.6L 6-cyl Engine / motor 3.3L 6-cyl turbo
6-speed automatic Transmission 8-speed automatic
FWD Drivetrain AWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Chevrolet Impala vs Kia K900 across model years

  • Chevrolet Impala
  • Kia K900

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Kia K900 has more passenger space (110 vs. 105 cu ft); the Chevrolet Impala has more cargo space (19 vs. 15 cu ft).

Among 32 2020 large cars, the Chevrolet Impala ranks 14th and the Kia K900 27th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Chevrolet Impala or the 2020 Kia K900?

Measured by cost to drive, the Chevrolet Impala. The Chevrolet Impala is rated 22 MPG combined and the Kia K900 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Chevrolet Impala vs. the Kia K900 per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $2,114 for the Chevrolet Impala and $2,821 for the Kia K900.

Which has more cargo space?

The Chevrolet Impala, with 19 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Chevrolet Impala vs Kia K900 in other years

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