Buick Regal Sportback vs. Mazda Mazda6
$25,370
$24,475
Highlights
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Starting MSRP |
$25,370
|
$24,475
|
| Engine Type |
Turbocharged Gas I4
|
Regular Gasoline I-4
|
| MPG |
22 City / 32 Hwy
|
26 City / 35 Hwy
|
| Horsepower |
250 hp
|
187 hp
|
| Drive Type |
Front Wheel Drive
|
Front Wheel Drive
|
| Seating Capacity |
5
|
5
|
| Basic Warranty |
3 yr / 36,000 mi
|
3 yr / 36,000 mi
|
Engine
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Displacement |
2.0L/122
|
2.5 L/152
|
| Engine Type |
Turbocharged Gas I4
|
Regular Gasoline I-4
|
| SAE Net Torque @ RPM |
260 @ 2000-5200
|
186 @ 4000
|
| SAE Net Horsepower @ RPM |
250 @ 5400
|
187 @ 6000
|
| Transmission Options |
|
|
| MPG |
22 City / 32 Hwy
|
26 City / 35 Hwy
|
| Total Cooling System Capacity |
N/A
|
N/A
|
Tires & Wheels
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Front Tire Size |
P225/55R17
|
P225/55VR17
|
| Spare Tire Size |
N/A
|
Compact
|
| Front Wheel Size |
17 x -TBD- in
|
17 X 7.5 in
|
| Rear Wheel Size |
17 x -TBD- in
|
17 X 7.5 in
|
| Rear Wheel Material |
Aluminum
|
Aluminum
|
| Spare Wheel Size |
N/A
|
Compact in
|
| Spare Wheel Material |
N/A
|
Steel
|
| Rear Tire Size |
P225/55R17
|
P225/55VR17
|
| Front Wheel Material |
Aluminum
|
Aluminum
|
Suspension
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Suspension Type - Front |
MacPherson Strut
|
Strut
|
| Suspension Type - Front (Cont.) |
N/A
|
Strut
|
| Suspension Type - Rear (Cont.) |
N/A
|
Multi-Link
|
| Suspension Type - Rear |
4-Link
|
Multi-Link
|
Steering
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Steering Ratio (:1), Overall |
N/A
|
N/A
|
| Steering Type |
Electric Rack & Pinion
|
Rack-Pinion
|
| Lock to Lock Turns (Steering) |
N/A
|
N/A
|
| Turning Diameter - Curb to Curb |
39 ft
|
37 ft
|
| Turning Diameter - Wall to Wall |
N/A
|
N/A
|
Measurements
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Track Width, Rear |
63 in
|
62 in
|
| Wheelbase |
111 in
|
111 in
|
| Second Shoulder Room |
55 in
|
55 in
|
| Trunk Volume |
N/A
|
15 ft³
|
| Front Leg Room |
42 in
|
42 in
|
| Passenger Volume |
99 ft³
|
100 ft³
|
| Front Shoulder Room |
57 in
|
56 in
|
| Width, Max w/o mirrors |
73 in
|
72 in
|
| Min Ground Clearance |
N/A
|
7 in
|
| Passenger Capacity |
5
|
5
|
| Front Head Room |
39 in
|
38 in
|
| Second Hip Room |
54 in
|
54 in
|
| Second Leg Room |
37 in
|
39 in
|
| Length, Overall |
193 in
|
193 in
|
| Second Head Room |
37 in
|
37 in
|
| Track Width, Front |
63 in
|
62 in
|
| Height, Overall |
57 in
|
57 in
|
| Liftover Height |
N/A
|
N/A
|
| Front Hip Room |
55 in
|
54 in
|
| Cargo Volume with Rear Seat Down |
61 ft³
|
Not available
|
| Cargo Volume with Rear Seat Up |
32 ft³
|
Not available
|
Weight & Capacity
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Aux Fuel Tank Capacity, Approx |
N/A
|
N/A
|
| Base Curb Weight |
3,748 lbs
|
3,437 lbs
|
| Wt Distributing Hitch - Max Tongue Wt. |
N/A
|
N/A
|
| Fuel Tank Capacity, Approx |
16 gal
|
16 gal
|
| Wt Distributing Hitch - Max Trailer Wt. |
N/A
|
N/A
|
| Dead Weight Hitch - Max Trailer Wt. |
N/A
|
N/A
|
| Dead Weight Hitch - Max Tongue Wt. |
N/A
|
N/A
|
Safety
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Lane Departure Warning |
Not available
|
Standard
|
| Blind Spot Monitor |
Not available
|
Standard
|
| Rear Cross Traffic Alert |
Not available
|
Standard
|
| Stability Control |
Standard
|
Standard
|
| Backup Camera |
Standard
|
Standard
|
Entertainment
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Bluetooth® |
Standard
|
Standard
|
Electrical
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Cold Cranking Amps @ 0° F (Primary) |
N/A
|
N/A
|
| Maximum Alternator Capacity (amps) |
N/A
|
100
|
Brakes
| 2020 Buick Regal Sportback | 2021 Mazda Mazda6 | |
|---|---|---|
| Disc - Front (Yes or ) |
Yes
|
Yes
|
| Front Brake Rotor Diam x Thickness |
N/A
|
12 in
|
| Brake ABS System |
4-Wheel
|
4-Wheel
|
| Disc - Rear (Yes or ) |
Yes
|
Yes
|
| Rear Brake Rotor Diam x Thickness |
N/A
|
11 in
|
| Drum - Rear (Yes or ) |
N/A
|
N/A
|
| Brake ABS System (Second Line) |
N/A
|
N/A
|
| Brake Type |
Pwr
|
4-Wheel Disc
|
FAQ
Which is more reliable, the 2020 Buick Regal Sportback or the 2021 Mazda Mazda6?
The 2021 Mazda Mazda6 is more reliable than the 2020 Buick Regal Sportback according to Cars.com consumers, with a reliability rating of 4.7 for the 2021 Mazda6 versus a reliability rating of 4.6 for the 2020 Regal Sportback.
Which is more fuel efficient, the 2020 Buick Regal Sportback or the 2021 Mazda Mazda6?
The 2021 Mazda Mazda6 is more fuel efficient than the 2020 Buick Regal Sportback with 29 MPG combined versus 26 MPG combined.
Which car is cheaper, the 2020 Buick Regal Sportback or the 2021 Mazda Mazda6?
The 2021 Mazda Mazda6 is cheaper than the 2020 Buick Regal Sportback with a $24,475 starting MSRP versus a $25,370 starting MSRP.
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