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Specifications Comparison: 2021 Nissan Altima vs 2021 Mazda 6

Researched By The AutoPadre Staff

Engine Horsepower & Torque

2021 Nissan Altima

Engine Horsepower & Torque

Trim Eng. Drive train HP Torque (ft-lbs)
Platinum2.5L I4AWD182178
S2.5L I4FWD188180
SL2.5L I4AWD182178
SL2.5L I4FWD188180
SR2.5L I4AWD182178
SR2.5L I4FWD188180
SR2.0L I4FWD236267
SV2.5L I4AWD182178
SV2.5L I4FWD188180

2021 Mazda 6

Engine Horsepower & Torque

Trim Eng. Drive train HP Torque (ft-lbs)
Mazda Carbon Edition2.5L I4FWD227310
Mazda GT2.5L I4FWD227310
Mazda GT Reserve2.5L I4FWD227310
Mazda Signature2.5L I4FWD227310
Mazda Sport2.5L I4FWD187186
Mazda Touring2.5L I4FWD187186

Engine Horsepower Per Unit Of Displacement

2021 Nissan Altima

Horsepower Per Liter & Inch3

Trim Eng. Drive train HP Per Liter HP Per Inch3
Platinum2.5L I4AWD721.2
S2.5L I4FWD751.24
SL2.5L I4AWD721.2
SL2.5L I4FWD751.24
SR2.5L I4AWD721.2
SR2.5L I4FWD751.24
SR2.0L I4FWD1181.93
SV2.5L I4AWD721.2
SV2.5L I4FWD751.24

2021 Mazda 6

Horsepower Per Liter & Inch3

Trim Eng. Drive train HP Per Liter HP Per Inch3
Mazda Carbon Edition2.5L I4FWD901.49
Mazda GT2.5L I4FWD901.49
Mazda GT Reserve2.5L I4FWD901.49
Mazda Signature2.5L I4FWD901.49
Mazda Sport2.5L I4FWD741.23
Mazda Touring2.5L I4FWD741.23

Gas Mileage

2021 Nissan Altima

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
Platinum2.5L I4AWD253530
S2.5L I4FWD283933.5
SL2.5L I4AWD253530
SL2.5L I4FWD283933.5
SR2.5L I4AWD253530
SR2.5L I4FWD283933.5
SR2.0L I4FWD253429.5
SV2.5L I4AWD263631
SV2.5L I4FWD273732

2021 Mazda 6

Fuel Mileage (Imp.)

Trim Eng. Drive train MPG City MPG Hwy MPG Combined
Mazda Carbon Edition2.5L I4FWD233127
Mazda GT2.5L I4FWD233127
Mazda GT Reserve2.5L I4FWD233127
Mazda Signature2.5L I4FWD233127
Mazda Sport2.5L I4FWD263530.5
Mazda Touring2.5L I4FWD263530.5

2021 Nissan Altima

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
Platinum2.5L I4AWD9.07.08.0
S2.5L I4FWD8.06.07.0
SL2.5L I4AWD9.07.08.0
SL2.5L I4FWD8.06.07.0
SR2.5L I4AWD9.07.08.0
SR2.5L I4FWD8.06.07.0
SR2.0L I4FWD9.07.08.0
SV2.5L I4AWD9.07.08.0
SV2.5L I4FWD9.06.07.0

2021 Mazda 6

Fuel Mileage (Metric)

Trim Eng. Drive train L/100km City L/100km Hwy L/100km Combined
Mazda Carbon Edition2.5L I4FWD10.08.09.0
Mazda GT2.5L I4FWD10.08.09.0
Mazda GT Reserve2.5L I4FWD10.08.09.0
Mazda Signature2.5L I4FWD10.08.09.0
Mazda Sport2.5L I4FWD9.07.08.0
Mazda Touring2.5L I4FWD9.07.08.0

Gas Tank Size

2021 Nissan Altima

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
Platinum2.5L I4AWD16.060.6
S2.5L I4FWD16.060.6
SL2.5L I4AWD16.060.6
SL2.5L I4FWD16.060.6
SR2.5L I4AWD16.060.6
SR2.5L I4FWD16.060.6
SR2.0L I4FWD16.060.6
SV2.5L I4AWD16.060.6
SV2.5L I4FWD16.060.6

2021 Mazda 6

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
Mazda Carbon Edition2.5L I4FWD16.060.6
Mazda GT2.5L I4FWD16.060.6
Mazda GT Reserve2.5L I4FWD16.060.6
Mazda Signature2.5L I4FWD16.060.6
Mazda Sport2.5L I4FWD16.060.6
Mazda Touring2.5L I4FWD16.060.6

Gas Tank Range

2021 Nissan Altima

Fuel Tank Range (Imp.)

Trim Eng. Drive train City (Miles) Highway (Miles) Combined (Miles)
Platinum2.5L I4AWD400560480
S2.5L I4FWD448624536
SL2.5L I4AWD400560480
SL2.5L I4FWD448624536
SR2.5L I4AWD400560480
SR2.5L I4FWD448624536
SR2.0L I4FWD400544472
SV2.5L I4AWD416576496
SV2.5L I4FWD432592512

2021 Mazda 6

Fuel Tank Range (Imp.)

Trim Eng. Drive train City (Miles) Highway (Miles) Combined (Miles)
Mazda Carbon Edition2.5L I4FWD368496432
Mazda GT2.5L I4FWD368496432
Mazda GT Reserve2.5L I4FWD368496432
Mazda Signature2.5L I4FWD368496432
Mazda Sport2.5L I4FWD416560488
Mazda Touring2.5L I4FWD416560488

2021 Nissan Altima

Fuel Tank Range (Metric)

Trim Eng. Drive train City (KM) Highway (KM) Combined (KM)
Platinum2.5L I4AWD644901772
S2.5L I4FWD7211004863
SL2.5L I4AWD644901772
SL2.5L I4FWD7211004863
SR2.5L I4AWD644901772
SR2.5L I4FWD7211004863
SR2.0L I4FWD644875760
SV2.5L I4AWD669927798
SV2.5L I4FWD695953824

2021 Mazda 6

Fuel Tank Range (Metric)

Trim Eng. Drive train City (KM) Highway (KM) Combined (KM)
Mazda Carbon Edition2.5L I4FWD592798695
Mazda GT2.5L I4FWD592798695
Mazda GT Reserve2.5L I4FWD592798695
Mazda Signature2.5L I4FWD592798695
Mazda Sport2.5L I4FWD669901785
Mazda Touring2.5L I4FWD669901785

Legroom

2021 Nissan Altima

Legroom (Imp.)

Trim Eng. Drive train 1st Row Legroom (in) 2nd Row Legroom (in) 3rd Row Legroom (in) 4th Row Legroom (in) 5th Row Legroom (in)
Platinum2.5L I4AWD4335
S2.5L I4FWD4335
SL2.5L I4AWD4335
SL2.5L I4FWD4335
SR2.5L I4AWD4335
SR2.5L I4FWD4335
SR2.0L I4FWD4335
SV2.5L I4AWD4335
SV2.5L I4FWD4335

2021 Mazda 6

Legroom (Imp.)

Trim Eng. Drive train 1st Row Legroom (in) 2nd Row Legroom (in) 3rd Row Legroom (in) 4th Row Legroom (in) 5th Row Legroom (in)
Mazda Carbon Edition2.5L I4FWD4238
Mazda GT2.5L I4FWD4238
Mazda GT Reserve2.5L I4FWD4238
Mazda Signature2.5L I4FWD4238
Mazda Sport2.5L I4FWD4238
Mazda Touring2.5L I4FWD4238

2021 Nissan Altima

Legroom (Metric)

Trim Eng. Drive train 1st Row Legroom (cm) 2nd Row Legroom (cm) 3rd Row Legroom (cm) 4th Row Legroom (cm) 5th Row Legroom (cm)
Platinum2.5L I4AWD10988
S2.5L I4FWD10988
SL2.5L I4AWD10988
SL2.5L I4FWD10988
SR2.5L I4AWD10988
SR2.5L I4FWD10988
SR2.0L I4FWD10988
SV2.5L I4AWD10988
SV2.5L I4FWD10988

2021 Mazda 6

Legroom (Metric)

Trim Eng. Drive train 1st Row Legroom (cm) 2nd Row Legroom (cm) 3rd Row Legroom (cm) 4th Row Legroom (cm) 5th Row Legroom (cm)
Mazda Carbon Edition2.5L I4FWD10696
Mazda GT2.5L I4FWD10696
Mazda GT Reserve2.5L I4FWD10696
Mazda Signature2.5L I4FWD10696
Mazda Sport2.5L I4FWD10696
Mazda Touring2.5L I4FWD10696

Headroom

2021 Nissan Altima

Headroom (Imp.)

Trim Eng. Drive train 1st Row Headroom (in) 2nd Row Headroom (in) 3rd Row Headroom (in) 4th Row Headroom (in) 5th Row Headroom (in)
Platinum2.5L I4AWD3836
S2.5L I4FWD3936
SL2.5L I4AWD3836
SL2.5L I4FWD3836
SR2.5L I4AWD3936
SR2.5L I4FWD3936
SR2.0L I4FWD3836
SV2.5L I4AWD3936
SV2.5L I4FWD3936

2021 Mazda 6

Headroom (Imp.)

Trim Eng. Drive train 1st Row Headroom (in) 2nd Row Headroom (in) 3rd Row Headroom (in) 4th Row Headroom (in) 5th Row Headroom (in)
Mazda Carbon Edition2.5L I4FWD3737
Mazda GT2.5L I4FWD3737
Mazda GT Reserve2.5L I4FWD3737
Mazda Signature2.5L I4FWD3737
Mazda Sport2.5L I4FWD3837
Mazda Touring2.5L I4FWD3737

2021 Nissan Altima

Headroom (Metric)

Trim Eng. Drive train 1st Row Headroom (cm) 2nd Row Headroom (cm) 3rd Row Headroom (cm) 4th Row Headroom (cm) 5th Row Headroom (cm)
Platinum2.5L I4AWD9691
S2.5L I4FWD9991
SL2.5L I4AWD9691
SL2.5L I4FWD9691
SR2.5L I4AWD9991
SR2.5L I4FWD9991
SR2.0L I4FWD9691
SV2.5L I4AWD9991
SV2.5L I4FWD9991

2021 Nissan Altima

Headroom (Metric)

Trim Eng. Drive train 1st Row Headroom (cm) 2nd Row Headroom (cm) 3rd Row Headroom (cm) 4th Row Headroom (cm) 5th Row Headroom (cm)
Mazda Carbon Edition2.5L I4FWD9393
Mazda GT2.5L I4FWD9393
Mazda GT Reserve2.5L I4FWD9393
Mazda Signature2.5L I4FWD9393
Mazda Sport2.5L I4FWD9693
Mazda Touring2.5L I4FWD9393

Turning Diameter & Radius (Curb To Curb)

2021 Nissan Altima

Turning Diameter & Radius (Curb To Curb)

Trim Eng. Drive train Diameter Curb To Curb (ft) Diameter Curb To Curb (m) Radius Curb To Curb (ft) Radius Curb To Curb (m)
Platinum2.5L I4AWD37.411.418.75.7
S2.5L I4FWD36.111.018.15.5
SL2.5L I4AWD37.411.418.75.7
SL2.5L I4FWD37.411.418.75.7
SR2.5L I4AWD37.411.418.75.7
SR2.5L I4FWD37.411.418.75.7
SR2.0L I4FWD37.411.418.75.7
SV2.5L I4AWD37.411.418.75.7
SV2.5L I4FWD37.411.418.75.7

2021 Mazda 6

Turning Diameter & Radius (Curb To Curb)

Trim Eng. Drive train Diameter Curb To Curb (ft) Diameter Curb To Curb (m) Radius Curb To Curb (ft) Radius Curb To Curb (m)
Mazda Carbon Edition2.5L I4FWD36.711.218.45.6
Mazda GT2.5L I4FWD36.711.218.45.6
Mazda GT Reserve2.5L I4FWD36.711.218.45.6
Mazda Signature2.5L I4FWD36.711.218.45.6
Mazda Sport2.5L I4FWD36.711.218.45.6
Mazda Touring2.5L I4FWD36.711.218.45.6

Ground Clearance

2021 Nissan Altima

Ground Clearance (inches)

Trim Eng. Drive train Ground Clearance Front (in) Ground Clearance Rear (in) Ground Clearance Min (in) Ground Clearance Max (in)
Platinum2.5L I4AWD5.4
S2.5L I4FWD4.9
SL2.5L I4AWD5.4
SL2.5L I4FWD5.1
SR2.5L I4AWD5.4
SR2.5L I4FWD5.1
SR2.0L I4FWD5.0
SV2.5L I4AWD5.4
SV2.5L I4FWD5.1

2021 Mazda 6

Ground Clearance (inches)

Trim Eng. Drive train Ground Clearance Front (in) Ground Clearance Rear (in) Ground Clearance Min (in) Ground Clearance Max (in)
Mazda Carbon Edition2.5L I4FWD6.5
Mazda GT2.5L I4FWD6.5
Mazda GT Reserve2.5L I4FWD6.5
Mazda Signature2.5L I4FWD6.5
Mazda Sport2.5L I4FWD6.5
Mazda Touring2.5L I4FWD6.5

2021 Nissan Altima

Ground Clearance (Metric)

Trim Eng. Drive train Ground Clearance Front (cm) Ground Clearance Rear (cm) Ground Clearance Min (cm) Ground Clearance Max (cm)
Platinum2.5L I4AWD13.7
S2.5L I4FWD12.4
SL2.5L I4AWD13.7
SL2.5L I4FWD13.0
SR2.5L I4AWD13.7
SR2.5L I4FWD13.0
SR2.0L I4FWD12.7
SV2.5L I4AWD13.7
SV2.5L I4FWD13.0

2021 Mazda 6

Ground Clearance (Metric)

Trim Eng. Drive train Ground Clearance Front (cm) Ground Clearance Rear (cm) Ground Clearance Min (cm) Ground Clearance Max (cm)
Mazda Carbon Edition2.5L I4FWD16.5
Mazda GT2.5L I4FWD16.5
Mazda GT Reserve2.5L I4FWD16.5
Mazda Signature2.5L I4FWD16.5
Mazda Sport2.5L I4FWD16.5
Mazda Touring2.5L I4FWD16.5

Height

2021 Nissan Altima

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
Platinum2.5L I4AWD574.751441.45
S2.5L I4FWD564.671421.42
SL2.5L I4AWD574.751441.45
SL2.5L I4FWD564.671421.42
SR2.5L I4AWD574.751441.45
SR2.5L I4FWD564.671421.42
SR2.0L I4FWD564.671421.42
SV2.5L I4AWD574.751441.45
SV2.5L I4FWD564.671421.42

2021 Mazda 6

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
Mazda Carbon Edition2.5L I4FWD574.751441.45
Mazda GT2.5L I4FWD574.751441.45
Mazda GT Reserve2.5L I4FWD574.751441.45
Mazda Signature2.5L I4FWD574.751441.45
Mazda Sport2.5L I4FWD574.751441.45
Mazda Touring2.5L I4FWD574.751441.45

Length

2021 Nissan Altima

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
Platinum2.5L I4AWD19216.04874.88
S2.5L I4FWD19216.04874.88
SL2.5L I4AWD19216.04874.88
SL2.5L I4FWD19216.04874.88
SR2.5L I4AWD19216.04874.88
SR2.5L I4FWD19216.04874.88
SR2.0L I4FWD19216.04874.88
SV2.5L I4AWD19216.04874.88
SV2.5L I4FWD19216.04874.88

2021 Mazda 6

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
Mazda Carbon Edition2.5L I4FWD19216.04874.88
Mazda GT2.5L I4FWD19216.04874.88
Mazda GT Reserve2.5L I4FWD19216.04874.88
Mazda Signature2.5L I4FWD19216.04874.88
Mazda Sport2.5L I4FWD19216.04874.88
Mazda Touring2.5L I4FWD19216.04874.88

Width Without Mirrors

2021 Nissan Altima

Width W/O Mirrors

Trim Eng. Drive train Width W/O Mirrors (in) Width W/O Mirrors (ft) Width W/O Mirrors (cm) Width W/O Mirrors (m)
Platinum2.5L I4AWD72.96.081851.85
S2.5L I4FWD72.96.081851.85
SL2.5L I4AWD72.96.081851.85
SL2.5L I4FWD72.96.081851.85
SR2.5L I4AWD72.96.081851.85
SR2.5L I4FWD72.96.081851.85
SR2.0L I4FWD72.96.081851.85
SV2.5L I4AWD72.96.081851.85
SV2.5L I4FWD72.96.081851.85

2021 Mazda 6

Width W/O Mirrors

Trim Eng. Drive train Width W/O Mirrors (in) Width W/O Mirrors (ft) Width W/O Mirrors (cm) Width W/O Mirrors (m)
Mazda Carbon Edition2.5L I4FWD72.46.031831.84
Mazda GT2.5L I4FWD72.46.031831.84
Mazda GT Reserve2.5L I4FWD72.46.031831.84
Mazda Signature2.5L I4FWD72.46.031831.84
Mazda Sport2.5L I4FWD72.46.031831.84
Mazda Touring2.5L I4FWD72.46.031831.84

Wheelbase

2021 Nissan Altima

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
Platinum2.5L I4AWD1119.252812.81
S2.5L I4FWD1119.252812.81
SL2.5L I4AWD1119.252812.81
SL2.5L I4FWD1119.252812.81
SR2.5L I4AWD1119.252812.81
SR2.5L I4FWD1119.252812.81
SR2.0L I4FWD1119.252812.81
SV2.5L I4AWD1119.252812.81
SV2.5L I4FWD1119.252812.81

2021 Mazda 6

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
Mazda Carbon Edition2.5L I4FWD1119.252812.81
Mazda GT2.5L I4FWD1119.252812.81
Mazda GT Reserve2.5L I4FWD1119.252812.81
Mazda Signature2.5L I4FWD1119.252812.81
Mazda Sport2.5L I4FWD1119.252812.81
Mazda Touring2.5L I4FWD1119.252812.81

Curb Weight

2021 Nissan Altima

Curb Weight

Trim Engine Drive train Curb Weight Horsepower Weight / Horsepower Ratio
Platinum2.5L I4AWD3,461 lbs.182 hp19.0 lbs/hp
S2.5L I4FWD3,208 lbs.188 hp17.1 lbs/hp
SL2.5L I4AWD3,422 lbs.182 hp18.8 lbs/hp
SL2.5L I4FWD3,291 lbs.188 hp17.5 lbs/hp
SR2.5L I4AWD3,414 lbs.182 hp18.8 lbs/hp
SR2.5L I4FWD3,287 lbs.188 hp17.5 lbs/hp
SR2.0L I4FWD3,418 lbs.236 hp14.5 lbs/hp
SV2.5L I4AWD3,399 lbs.182 hp18.7 lbs/hp
SV2.5L I4FWD3,268 lbs.188 hp17.4 lbs/hp

2021 Mazda 6

Curb Weight

Trim Engine Drive train Curb Weight Horsepower Weight / Horsepower Ratio
Mazda Carbon Edition2.5L I4FWD3,582 lbs.227 hp15.8 lbs/hp
Mazda GT2.5L I4FWD3,582 lbs.227 hp15.8 lbs/hp
Mazda GT Reserve2.5L I4FWD3,582 lbs.227 hp15.8 lbs/hp
Mazda Signature2.5L I4FWD3,582 lbs.227 hp15.8 lbs/hp
Mazda Sport2.5L I4FWD3,437 lbs.187 hp18.4 lbs/hp
Mazda Touring2.5L I4FWD3,437 lbs.187 hp18.4 lbs/hp

Oil Capacity

2021 Nissan Altima

Oil Capacity

Engine Oil Capacity (Quarts) Oil Capacity (Liters) Viscosity
2.0L 4 Cyl. KR20DDET Turbo5.0 Qts.4.7 L5W-30
2.5L 4 Cyl. PR25DD5.4 Qts.5.1 L0W-20

No Data Available: 2021 Mazda 6 Oil Capacity

Cargo Space: Trunk Volume

2021 Nissan Altima

Cargo Space

Trim Trunk Volume ft3 Trunk Volume m3
2.5 S Sedan Trunk Volume15.4 ft30.44 m3
2.5 SV Sedan Trunk Volume15.4 ft30.44 m3
2.5 SR Sedan Trunk Volume15.4 ft30.44 m3
2.5 SL Sedan Trunk Volume15.4 ft30.44 m3
2.0 SR Sedan Trunk Volume15.4 ft30.44 m3
2.5 SV AWD Sedan Trunk Volume15.4 ft30.44 m3
2.5 SR AWD Sedan Trunk Volume15.4 ft30.44 m3
2.5 SL AWD Sedan Trunk Volume15.4 ft30.44 m3
2.5 Platinum AWD Sedan Trunk Volume15.4 ft30.44 m3
Trunk Volume15.0 ft30.44 m3

2021 Mazda 6

Cargo Space

Trim Trunk Volume ft3 Trunk Volume m3
Trunk Volume15.0 ft30.42 m3

Timing Belt Or Chain

2021 Nissan Altima

Timing Belt Or Chain

Engine Belt Or Chain Interference or Non-Interference Replacement interval (miles)
2.0L 4 Cyl. turbocharged 248 hp (KR20DDET)Timing ChainInterferenceLifetime
2.5L 4 Cyl. 188 hp (PR25DD e-VTC)Timing ChainInterferenceLifetime

2021 Mazda 6

Timing Belt Or Chain

Engine Belt Or Chain Interference or Non-Interference Replacement interval (miles)
2.5L 4 Cyl.Timing ChainInterferenceLifetime
2.5L 4 Cyl. TurboTiming ChainInterferenceLifetime

Exterior Colors

2021 Nissan Altima

Exterior Colors

Exterior Color Name Exterior Color
Brilliant Silver Metallic [Silver]
Deep Blue Pearl [Blue]
Glacier White [White]
Gun Metallic [Gray]
Super Black [Black]

2021 Mazda 6

Exterior Colors

Exterior Color Name Exterior Color
Deep Crystal Blue [Blue]
Jet Black Mica [Black]
Machine Gray Metallic [Gray]
Snowflake White Pearl Mica [White]
Soul Red Crystal Metallic [Red]

Interior Colors

2021 Nissan Altima

Interior Colors

Interior Color Name Interior Color
Charcoal w/Cloth Seat Trim [Gray]
Light Gray w/Cloth Seat Trim [Gray]

2021 Mazda 6

Interior Colors

Interior Color Name Interior Color
Black w/Cloth Seat Trim [Black]

Steering Wheel Size

2021 Nissan Altima

Steering Wheel Size

Steering Wheel Diameter (inches) Steering Wheel Circumference (inches) Steering Wheel Classification
14 1/2"4 1/4"None

2021 Mazda 6

Steering Wheel Size

Steering Wheel Diameter (inches) Steering Wheel Circumference (inches) Steering Wheel Classification
14 1/2"4 1/8"None

Wiper Sizes

2021 Nissan Altima

Wiper Sizes

Driver's Side (inches) Passenger's (inches) Rear (inches)
2617None

No Data Available: 2021 Mazda 6 Oil Capacity

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