2020 BMW Z4 vs 2020 Mercedes-Benz SLC Class

2020 BMW Z4

2020 Mercedes-Benz SLC Class

Select style

sDrive30i Roadster

Style	MPG City	MPG Hwy	Invoice	MSRP
Z4 sDrive30i Roadster	24	32	$46,720	$49,700
Z4 sDriveM40i Roadster	24	31	$59,740	$63,700

Select style

AMG SLC 43 Roadster

Style	MPG City	MPG Hwy	Invoice	MSRP
SLC AMG SLC 43 Roadster	20	29	$60,771	$64,650
SLC SLC 300 Roadster	23	32	$46,953	$49,950

Show Only Differences

Pricing

Invoice Price

$46,720

$60,771

Manufacturer Suggested Retail Price

$49,700

$64,650

Monthly Payment Estimate

$828 / month

$1078 / month

The Car Connection's Take

TCC Rating

6.8

Read Our Full Review

5.6

Read Our Full Review

TCC’s Bottom Line

The 2020 BMW Z4 keeps alive the Sunday drive.

The 2020 Mercedes-Benz SLC-Class sings a pretty swan song—and you can hear it even when the top’s down.

TCC Likes

0-60 mph in 3.9 seconds
Drop top at 30 mph
Stylish inside and out

SLC 43 is a true sports car
Foldable hard-top refinement
More affordable SL-Class

TCC Dislikes

Confusing infotainment
Inconsistent steering feedback
Pricey options

Not being replaced after 2020
Tight for tall or wide drivers
SLC 300 is not as fun as it should be

Fuel Economy

City

24 mpg

20 mpg

Highway

32 mpg

29 mpg

Vehicle

EPA Classification

Two Seaters

Interior Dimensions

Front Head Room (in)

38.9

Passenger Capacity

Front Shoulder Room (in)

54.3

52.2

Front Leg Room (in)

42.2

42.5

Passenger Volume (ft³)

48.8

Exterior Dimensions

Track Width, Rear (in)

63.5

61.7

Wheelbase (in)

97.2

95.7

Width, Max w/o mirrors (in)

73.4

71.2

Track Width, Front (in)

63.7

61.1

Length, Overall (in)

170.7

163.1

Height, Overall (in)

51.4

51.3

Min Ground Clearance (in)

4.1

Cargo Area Dimensions

Trunk Volume (ft³)

9.9

6.5

Brakes

Rear Brake Rotor Diam x Thickness (in)

Brake Type

4-Wheel Disc

Rear Drum Diam x Width (in)

Disc - Front (Yes or )

Yes

Front Brake Rotor Diam x Thickness (in)

14.2

Drum - Rear (Yes or )

Brake ABS System

4-Wheel

Disc - Rear (Yes or )

Yes

Fuel Tank

Fuel Tank Capacity, Approx (gal)

13.7

15.9

Steering

Turning Diameter - Curb to Curb (ft)

36.1

36.8

Steering Type

Rack-Pinion

Tires

Rear Tire Size

P255/40VR18

P255/35YR18

Rear Tire Order Code

Front Tire Size

P225/45VR18

P235/40YR18

Spare Tire Size

Front Tire Order Code

Spare Tire Order Code

Weight Information

Base Curb Weight (lbs)

3287

3527

Wheels

Front Wheel Material

Aluminum

Spare Wheel Material

Front Wheel Size (in)

18 X 8

Spare Wheel Size (in)

Rear Wheel Material

Aluminum

Rear Wheel Size (in)

18 X 9

Electrical

Maximum Alternator Capacity (amps)

170

Engine

Engine Type

Intercooled Turbo Premium Unleaded I-4

Twin Turbo Premium Unleaded V-6

Fuel System

Gasoline Direct Injection

SAE Net Torque @ RPM

295 @ 1550

384 @ 2500

Engine Order Code

Displacement

2.0 L/122

3.0 L/183

SAE Net Horsepower @ RPM

255 @ 5000

385 @ 6100

Mileage

EPA Fuel Economy Est - City (MPG)

Fuel Economy Est-Combined (MPG)

EPA Fuel Economy Est - Hwy (MPG)

Transmission

Second Gear Ratio (:1)

3.36

3.24

Trans Order Code

2TB

Fourth Gear Ratio (:1)

1.72

1.64

Trans Description Cont.

Automatic w/OD

Seventh Gear Ratio (:1)

0.82

0.86

Drivetrain

Rear Wheel Drive

Sixth Gear Ratio (:1)

1.00

First Gear Ratio (:1)

5.25

5.35

Final Drive Axle Ratio (:1)

3.15

2.82

Third Gear Ratio (:1)

2.17

2.25

Trans Type

Fifth Gear Ratio (:1)

1.32

1.21

Trans Description Cont. Again

Eighth Gear Ratio (:1)

0.64

0.72

Reverse Ratio (:1)

3.71

4.80

Summary

Vehicle Name

BMW Z4

Mercedes-Benz SLC

Body Style

Roadster

Suspension

Suspension Type - Rear (Cont.)

Multi-Link

Suspension Type - Front

Strut

Suspension Type - Front (Cont.)

Strut

Suspension Type - Rear

Multi-Link

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year

6.6

7.7

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