← Back to compare hub

Mazda 6 vs Oldsmobile Alero

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Mazda logo

2021 Mazda 6

Oldsmobile logo

2004 Oldsmobile Alero

Overview

SpecMazda 6SportOldsmobile AleroGX
Selected trimSportGX
Body styleSedanSedan
Drivetrainfront wheel drivefront wheel drive
Fuel typeregular unleadedregular unleaded
Transmission6-speed shiftable automatic4-speed automatic
Engine typegasgas
Model year20212004

Pricing & market

SpecMazda 6SportOldsmobile AleroGX
MSRP$24,475$18,485 (best)
For sale now00

Fuel economy & range

SpecMazda 6SportOldsmobile AleroGX
Combined MPG29 MPG (best)25 MPG
City MPG26 MPG (best)21 MPG
Highway MPG35 MPG (best)31 MPG
Fuel tank16.4 gal (best)14 gal

Performance

SpecMazda 6SportOldsmobile AleroGX
Horsepower187 hp (best)140 hp
Torque186 lb-ft (best)150 lb-ft
Engine size2.5 L (best)2.2 L
CylindersI4I4

Size & capability

SpecMazda 6SportOldsmobile AleroGX
Seating5 seats5 seats
Doors44
Cargo volume14.7 cu ft (best)14.6 cu ft
Payload1,036 lbs (best)
Curb weight3,437 lbs2,996 lbs (best)
Ground clearance6.5 in (best)
Wheelbase111.4 in (best)107 in
Length192.7 in (best)186.7 in
Width72.4 in (best)70.1 in
Height57.1 in (best)54.5 in

Safety & recalls

SpecMazda 6SportOldsmobile AleroGX
Frontal crash (driver)4 / 5 ★ (best)
Frontal crash (passenger)5 / 5 ★ (best)
Open recalls (YMM scope)None reported (best)1

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimMazda 6Oldsmobile Alero
1

Sport

$24,475 MSRP(Currently comparing)

GX

$18,485 MSRP(Currently comparing)

2

Touring

$27,075 MSRP

GX

$18,485 MSRP

3

Grand Touring

$30,175 MSRP

GL1

$20,435 MSRP

4

Grand Touring Reserve

$32,675 MSRP

GL1

$20,435 MSRP

5

Carbon Edition

$32,950 MSRP

GL2

$21,985 MSRP

6

Signature

$35,900 MSRP

GL2

$21,985 MSRP

7

GLS

$23,085 MSRP

8

GLS

$23,335 MSRP

Mazda 6 vs Oldsmobile Alero FAQ

Which is better: 2021 Mazda 6 or 2004 Oldsmobile Alero?
It depends on priorities. OpenDealer compares 2021 Mazda 6 vs 2004 Oldsmobile Alero on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2021 Mazda 6 or 2004 Oldsmobile Alero?
Based on starting MSRP, the 2004 Oldsmobile Alero starts lower at $18,485.
Which has better startingMsrp: 2021 Mazda 6 or 2004 Oldsmobile Alero?
The 2004 Oldsmobile Alero leads on startingMsrp in this comparison (18,485).
Which has better combinedMpg: 2021 Mazda 6 or 2004 Oldsmobile Alero?
The 2021 Mazda 6 leads on combinedMpg in this comparison (29).
Which has better horsepower: 2021 Mazda 6 or 2004 Oldsmobile Alero?
The 2021 Mazda 6 leads on horsepower in this comparison (227).
Which has better maxTowingLbs: 2021 Mazda 6 or 2004 Oldsmobile Alero?
The 2004 Oldsmobile Alero leads on maxTowingLbs in this comparison (1,000).