BMW 5 Series vs Kia Forte

The Kia Forte is the more efficient of the two: it reaches 35 mpg combined versus 31 mpg for the BMW 5 Series, a 4 mpg advantage and costs about $700 less per year to fuel.

Across 5 measured categories, the Kia Forte leads in 4. Figures are EPA test data, not manufacturer claims.

2015–2027

BMW 5 Series

Midsize Cars · 85 configurations

31mpg combined (best)
All BMW 5 Series specs

2015–2024

Kia Forte

Midsize Cars · 60 configurations

35mpg combined (best)
All Kia Forte specs

Head-to-head specifications

MetricBMW 5 SeriesKia Forte
Best combined MPG31 mpg35 mpg
Best city MPG29 mpg31 mpg
Best highway MPG38 mpg41 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,450$1,750
Lowest CO2 output133 g/mi256 g/mi
Engines offeredSIDI & PFI; PHEV, SIDI & PFI; Mild Hybrid, SIDI; PHEV, 2.0SIDI, 2.0, 1.8
TransmissionsAutomatic (S8)Automatic (AM-S7), Automatic (variable gear ratios), Manual 6-spd
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveFront-Wheel Drive
Fuel typesPremium and Electricity, Premium, DieselRegular
EPA classMidsize CarsMidsize Cars
Years covered2015–20272015–2024
Configurations on record8560

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

5 Series vs Forte: common questions

Which is better on gas, the BMW 5 Series or the Kia Forte?

The Kia Forte is the more efficient of the two: it reaches 35 mpg combined versus 31 mpg for the BMW 5 Series, a 4 mpg advantage and costs about $700 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Kia Forte runs about $1,750 a year in fuel at its most efficient configuration, versus about $2,450 for the BMW 5 Series — a difference of roughly $700 per year.

What engines do the 5 Series and Forte offer?

BMW 5 Series: SIDI & PFI; PHEV, SIDI & PFI; Mild Hybrid, SIDI; PHEV, 2.0. Kia Forte: SIDI, 2.0, 1.8.

Are they in the same vehicle class?

Yes — the EPA classifies both the BMW 5 Series and the Kia Forte as Midsize Cars, so they compete directly.

More 5 Series comparisons

Comparison id: bmw-5-series-vs-kia-forte