Comparing the 2021 BMW M3 vs 2021 Porsche 718-Cayman

Car details Prices do not include sales taxes, licensing, other options, installation, administration and other dealer program fees. Prices include freight and P.D.E. Models and pictures shown for illustration purposes only. Options and accessories may vary by trim. Data and prices are provided by a third-party and we cannot guarantee their accuracy.
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MSRP starting at:

$86,770

M3 Sedan
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2021 Porsche 718 Cayman

MSRP starting at:

$96,100

GTS 4.0 Coupe

* Rounded payments, for information only, excluding taxes, registrations, options and accessories

 
Overview
Base MSRP $86,770 $96,100
EPA Classification Compact Cars Two-Seaters
Drivetrain Rear Wheel Drive Rear Wheel Drive
EnerGuide Estimate - City (L/100 km) - TBD - L/100 km - TBD - L/100 km
EnerGuide Estimate - Hwy (L/100 km) - TBD - L/100 km - TBD - L/100 km
Engine Type Twin Turbo Premium Unleaded I-6 Premium Unleaded H-6
Displacement 3.0 L/183 4.0 L/244
SAE Net Horsepower @ RPM 473 @ 6250 394 @ 7000
SAE Net Torque @ RPM 406 @ 2650 309 @ 5000
Passenger Capacity 5 2
Technical Specs
Vehicle
EPA Classification Compact Cars Two-Seaters
Kg/yr of CO2 Emissions @ 20K km/year
EnerGuide Estimate - City (L/100 km) - TBD - L/100 km - TBD - L/100 km
EnerGuide Estimate - Hwy (L/100 km) - TBD - L/100 km - TBD - L/100 km
Powertrain
Drivetrain Rear Wheel Drive Rear Wheel Drive
EnerGuide Estimate - City (L/100 km) - TBD - L/100 km - TBD - L/100 km
EnerGuide Estimate - Hwy (L/100 km) - TBD - L/100 km - TBD - L/100 km
Engine Order Code
Engine Type Twin Turbo Premium Unleaded I-6 Premium Unleaded H-6
Displacement 3.0 L/183 4.0 L/244
Fuel System Gasoline Direct Injection Gasoline Direct Injection
SAE Net Horsepower @ RPM 473 @ 6250 394 @ 7000
SAE Net Torque @ RPM 406 @ 2650 309 @ 5000
Trans Order Code ZMA 480
Trans Type 6 6
Trans Description Cont. Manual w/OD Manual w/OD
Trans Description Cont. Again
First Gear Ratio (:1) 4.11 3.31
Second Gear Ratio (:1) 2.31 1.95
Third Gear Ratio (:1) 1.54 1.41
Fourth Gear Ratio (:1) 1.18 1.13
Fifth Gear Ratio (:1) 1.00 0.95
Sixth Gear Ratio (:1) 0.85 0.81
Reverse Ratio (:1) 3.73 3.00
Clutch Size (in)
Final Drive Axle Ratio (:1) 3.46 3.89
Cold Cranking Amps @ 0° F (Primary)
Maximum Alternator Capacity (amps)
Total Cooling System Capacity (qts)
Dimensions
Passenger Capacity 5 2
Passenger Volume (ft³)
Front Head Room (in) 40.6
Front Leg Room (in) 41.6
Front Shoulder Room (in) 56
Front Hip Room (in)
Second Head Room (in) 37.8
Second Leg Room (in) 35.6
Mechanical
ABS Standard Standard
4-Wheel Disc Brakes Standard Standard
Locking/Limited Slip Differential Standard Standard
Rear Wheel Drive Standard Standard
Straight 6 Cylinder Engine Standard N/A
Turbocharged Standard N/A
Gasoline Fuel Standard Standard
Power Steering Standard Standard
6-Speed M/T Standard Standard
Aluminum Wheels (Option) Standard Standard
Aluminum Wheels Standard Standard
M/T Standard Standard
Active Suspension Standard Standard
Tire Pressure Monitor Standard Standard
6-Speed M/T (Option) N/A Standard
A/T (Option) N/A Standard
M/T (Option) N/A Standard
Flat 6 Cylinder Engine N/A Standard
Active Suspension (Option) N/A Standard
Transmission w/Dual Shift Mode (Option) N/A Standard
Wheel Locks N/A Standard
7-Speed A/T (Option) N/A Standard
Exterior
Generic Sun/Moonroof (Option) Standard N/A
Sun/Moonroof (Option) Standard N/A
Tires - Front Performance (Option) Standard N/A
Tires - Front Performance Standard Standard
Tires - Rear Performance (Option) Standard N/A
Tires - Rear Performance Standard Standard
Interior
Climate Control Standard Standard
Multi-Zone A/C Standard Standard
A/C Standard Standard
Rear A/C Standard N/A
Security System Standard Standard
AM/FM Stereo Standard Standard
Cruise Control Standard Standard
Rear Defrost Standard Standard
Floor Mats Standard Standard
Keyless Entry Standard Standard
Power Door Locks Standard Standard
Heated Mirrors Standard Standard
Power Mirror(s) Standard Standard
Navigation System Standard N/A
Power Driver Seat Standard Standard
Power Passenger Seat Standard Standard
Pass-Through Rear Seat Standard N/A
Leather Seats (Option) Standard Standard
Leather Seats Standard Standard
Bucket Seats (Option) Standard Standard
Bucket Seats Standard Standard
Adjustable Steering Wheel Standard Standard
Power Windows Standard Standard
Intermittent Wipers Standard Standard
Premium Sound System Standard N/A
Satellite Radio Standard Standard
MP3 Player (Option) Standard N/A
MP3 Player Standard Standard
Heated Front Seat(s) (Option) Standard Standard
Heated Front Seat(s) Standard Standard
Variable Speed Intermittent Wipers Standard Standard
Rain Sensing Wipers Standard N/A
Steering Wheel Audio Controls Standard N/A
Engine Immobilizer Standard Standard
Automatic Headlights Standard Standard
Woodgrain Interior Trim (Option) Standard N/A
Auto-Dimming Rearview Mirror Standard Standard
Driver Vanity Mirror Standard Standard
Passenger Vanity Mirror Standard Standard
Driver Illuminated Vanity Mirror Standard Standard
Passenger Illuminated Visor Mirror Standard Standard
Mirror Memory Standard N/A
Rear Parking Aid Standard Standard
Driver Adjustable Lumbar Standard N/A
Passenger Adjustable Lumbar Standard N/A
Seat Memory Standard N/A
Leather Steering Wheel (Option) Standard Standard
Leather Steering Wheel Standard N/A
Trip Computer Standard Standard
Universal Garage Door Opener (Option) Standard N/A
Bluetooth Connection (Option) Standard N/A
Bluetooth Connection Standard Standard
Telematics Standard N/A
Back-Up Camera (Option) Standard N/A
Back-Up Camera Standard Standard
Keyless Start Standard N/A
Auxiliary Audio Input Standard Standard
Cooled Front Seat(s) (Option) Standard Standard
Power Folding Mirrors Standard N/A
Heads-Up Display (Option) Standard N/A
HD Radio Standard Standard
Hard Disk Drive Media Storage Standard Standard
Rear Bench Seat Standard N/A
Automatic Parking (Option) Standard N/A
Heated Steering Wheel Standard N/A
WiFi Hotspot (Option) Standard N/A
Smart Device Integration Standard Standard
Requires Subscription Standard Standard
CD Player N/A Standard
Floor Mats (Option) N/A Standard
Keyless Entry (Option) N/A Standard
Power Door Locks (Option) N/A Standard
Navigation System (Option) N/A Standard
Power Driver Seat (Option) N/A Standard
Power Passenger Seat (Option) N/A Standard
Adjustable Steering Wheel (Option) N/A Standard
Premium Sound System (Option) N/A Standard
Steering Wheel Audio Controls (Option) N/A Standard
HID headlights N/A Standard
Driver Vanity Mirror (Option) N/A Standard
Passenger Vanity Mirror (Option) N/A Standard
Driver Illuminated Vanity Mirror (Option) N/A Standard
Passenger Illuminated Visor Mirror (Option) N/A Standard
Mirror Memory (Option) N/A Standard
Driver Adjustable Lumbar (Option) N/A Standard
Passenger Adjustable Lumbar (Option) N/A Standard
Seat Memory (Option) N/A Standard
Remote Trunk Release (Option) N/A Standard
Universal Garage Door Opener N/A Standard
Keyless Start (Option) N/A Standard
Cargo Shade N/A Standard
Power Folding Mirrors (Option) N/A Standard
Premium Synthetic Seats (Option) N/A Standard
Premium Synthetic Seats N/A Standard
Hands-Free Liftgate (Option) N/A Standard
Heated Steering Wheel (Option) N/A Standard
Adaptive Cruise Control (Option) N/A Standard
Smart Device Integration (Option) N/A Standard
Safety
Driver Air Bag Standard Standard
Passenger Air Bag Standard Standard
Passenger Air Bag Sensor Standard Standard
Front Side Air Bag Standard Standard
Front Head Air Bag Standard Standard
Rear Head Air Bag Standard N/A
Child Safety Locks Standard N/A
Daytime Running Lights Standard Standard
Traction Control (Option) Standard N/A
Traction Control Standard Standard
Integrated Turn Signal Mirrors Standard N/A
Stability Control Standard Standard
Brake Assist Standard Standard
Blind Spot Monitor Standard N/A
Headlights-Auto-Leveling Standard Standard
Lane Departure Warning Standard N/A
Knee Air Bag N/A Standard
Daytime Running Lights (Option) N/A Standard
Blind Spot Monitor (Option) N/A Standard
Headlights-Auto-Leveling (Option) N/A Standard

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