Compare 2021 BMW 8-Series vs 2021 Mercedes-Benz CLS Class vs 2021 Porsche Panamera

2021 BMW 8-Series
#5 in Coupes
X
2021 Mercedes-Benz CLS Class
X
2021 Porsche Panamera
#2 in Wagons
X
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840i Convertible
Style MPG City MPG Hwy Invoice MSRP
8 Series 840i Convertible 22 29 $91,080 $97,400
8 Series 840i Coupe 23 30 $82,340 $88,000
8 Series 840i Gran Coupe 22 29 $79,550 $85,000
8 Series 840i xDrive Convertible 20 27 $93,780 $100,300
8 Series 840i xDrive Coupe 20 27 $85,035 $90,900
8 Series 840i xDrive Gran Coupe 20 27 $82,245 $87,900
8 Series M850i xDrive Convertible 17 24 $113,400 $121,400
8 Series M850i xDrive Coupe 17 25 $104,565 $111,900
8 Series M850i xDrive Gran Coupe 17 24 $101,775 $108,900
M8 Gran Coupe 15 21 $121,400 $130,000
AMG CLS 53 4MATIC+ Coupe
Select style
4 AWD
Style MPG City MPG Hwy Invoice MSRP
Panamera 4 AWD 18 24 N/A $91,800
Panamera 4 Executive AWD 17 23 N/A $98,500
Panamera 4S AWD 18 24 N/A $105,000
Panamera 4S Executive AWD N/A N/A N/A $116,300
Panamera GTS AWD 15 21 N/A $129,300
Panamera RWD 18 24 N/A $87,200
Panamera Turbo S AWD N/A N/A N/A $177,700
Panamera Turbo S Executive AWD 15 21 N/A $188,100
Pricing
Invoice Price
$91,080
$76,657
N/A
Manufacturer Suggested Retail Price
$97,400
$81,550
$91,800
Monthly Payment Estimate
$1623 / month
$1359 / month
$1530 / month
The Car Connection's Take
TCC Rating
7.0
7.2
7.4
TCC’s Bottom Line
The 2021 BMW 8-Series is a gorgeous statement piece that strikes an enviable balance between performance and usability. The 2021 Mercedes-Benz CLS-Class delivers power and performance to go with its elegance. The 2021 Porsche Panamera is one of the finest cars money can buy, as it should be for the prices its maker charges.
TCC Likes
TCC Dislikes
Fuel Economy
City
22 mpg 21 mpg 18 mpg
Highway
29 mpg 26 mpg 24 mpg
Vehicle
EPA Classification
Subcompact Cars Compact Cars Large Cars
Interior Dimensions
Front Head Room (in)
38.9 36.9 -
Front Shoulder Room (in)
57.2 57.8 -
Second Leg Room (in)
29.5 35 -
Passenger Capacity
4 5 4
Front Leg Room (in)
42.1 41.9 -
Second Head Room (in)
34.7 35.9 -
Second Shoulder Room (in)
45.7 56.5 -
Front Hip Room (in)
- 58.9 -
Second Hip Room (in)
- 58.6 -
Exterior Dimensions
Min Ground Clearance (in)
4.6 3.7 NA
Length, Overall (in)
191.1 199.1 198.8
Height, Overall (in)
52.7 56 56
Track Width, Rear (in)
64.6 64.4 65
Wheelbase (in)
111.1 115.7 116.1
Width, Max w/o mirrors (in)
74.9 74.6 78.2
Track Width, Front (in)
64.1 64.8 65.8
Cargo Area Dimensions
Trunk Volume (ft³)
12.4 11.9 -
Cargo Volume with Rear Seat Down (ft³)
- - 47.3
Cargo Volume with Rear Seat Up (ft³)
- - 17.6
Brakes
Brake ABS System
4-Wheel 4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes Yes
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Disc - Front (Yes or )
Yes Yes Yes
Drum - Rear (Yes or )
NA NA NA
Rear Brake Rotor Diam x Thickness (in)
- 14.2 13
Rear Drum Diam x Width (in)
- NA NA
Front Brake Rotor Diam x Thickness (in)
- 14.6 13.8
Fuel Tank
Fuel Tank Capacity, Approx (gal)
18 17.4 23.7
Steering
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
38.2 39.1 39
Tires
Spare Tire Size
NA NA NA
Front Tire Order Code
258 R66 NA
Spare Tire Order Code
NA NA NA
Rear Tire Size
P275/40VR18 P275/35ZR19 P295/40YR19
Rear Tire Order Code
258 R66 NA
Front Tire Size
P245/45VR18 P245/40ZR19 P265/45YR19
Weight Information
Base Curb Weight (lbs)
4211 4447 4301
Wheels
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
18 X 9 19 X 9 19 X 10.5
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
NA NA NA
Front Wheel Size (in)
18 X 8 19 X 8 19 X 9
Spare Wheel Size (in)
NA NA NA
Engine
Engine Type
Intercooled Turbo Premium Unleaded I-6 Intercooled Turbo Gas/Electric I-6 Twin Turbo Premium Unleaded V-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
368 @ 1600 384 @ 1800 331 @ 1800
Engine Order Code
NA NA NA
Displacement
3.0 L/183 3.0 L/183 2.9 L/177
SAE Net Horsepower @ RPM
335 @ 5000 429 @ 6100 325 @ 5400
Mileage
EPA Fuel Economy Est - City (MPG)
22 21 18
Fuel Economy Est-Combined (MPG)
25 23 20
EPA Fuel Economy Est - Hwy (MPG)
29 26 24
Transmission
Second Gear Ratio (:1)
3.36 3.24 3.24
Trans Order Code
2TB 421 G1G
Fourth Gear Ratio (:1)
1.72 1.64 1.42
Trans Description Cont.
Automatic w/OD Automatic w/OD Auto-Shift Manual w/OD
Seventh Gear Ratio (:1)
0.82 0.86 0.68
Drivetrain
Rear Wheel Drive All Wheel All Wheel
Sixth Gear Ratio (:1)
1.00 1.00 0.84
First Gear Ratio (:1)
5.25 5.35 5.97
Final Drive Axle Ratio (:1)
2.93 2.82 3.36
Third Gear Ratio (:1)
2.17 2.25 2.08
Trans Type
8 9 8
Fifth Gear Ratio (:1)
1.32 1.21 1.05
Trans Description Cont. Again
NA NA NA
Eighth Gear Ratio (:1)
0.64 0.72 0.53
Reverse Ratio (:1)
3.71 4.80 5.22
Summary
Vehicle Name
BMW 8 Series Mercedes-Benz CLS Porsche Panamera
Body Style
Convertible 4MATIC+ Hatchback
Suspension
Suspension Type - Rear
Multi-Link Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Multi-Link
Suspension Type - Front
Double Wishbone Multi-Link Double Wishbone
Suspension Type - Front (Cont.)
Double Wishbone Multi-Link Double Wishbone
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
7.1 7.6 8.8
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