Regal eAssist
Front-Wheel Drive · Automatic (AV-S6) · Midsize Cars
- MPG combined
- 28
- City / highway
- 24 / 35
- Engine
- 2.4L 4-cyl
- Fuel
- Regular
- Annual fuel cost
- $2,400
- Tailpipe CO₂
- 317 g/mi

The Buick Regal has been sold in the US from 2000 to 2020, in 15 model years covered here. The 2020 line-up has 4 trims with 22–26 MPG combined.
Front-Wheel Drive · Automatic (AV-S6) · Midsize Cars
Front-Wheel Drive · Automatic (S6) · Midsize Cars
Front-Wheel Drive · Manual 6-spd · Midsize Cars
Front-Wheel Drive · Manual 6-spd · Midsize Cars
Front-Wheel Drive · Automatic (S6) · Midsize Cars
Front-Wheel Drive · Automatic (S6) · Midsize Cars
Front-Wheel Drive · Automatic (S6) · Midsize Cars
Front-Wheel Drive · Automatic (S6) · Midsize Cars
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.