Porsche 718 Cayman Porsche 718 Cayman 2017 BMW 3-Series Gran Turismo BMW 3-Series Gran Turismo 2018

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Porsche 718 Cayman vs. BMW 3-Series Gran Turismo Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Porsche 718 Cayman vs. BMW 3-Series Gran Turismo Invoice Comparison

Lowest Total Price: $53,835

BMW 3-Series Gran Turismo 330i   
Difference: $17,375

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720182018
Model718 Cayman718 Cayman3-Series Gran Turismo3-Series Gran Turismo
TrimBaseS330i340i
Body2dr Hatch2dr Hatch4dr Hatch4dr Hatch
Base Price $53,900 $66,300 $44,850 $50,700
Porsche Connect Plus 1,300 1,300    
Navigation system 1,730 1,730 1,700 1,700
Heated steering wheel 470 470 190 190
Adaptive sport seats plus 3,825 3,825    
Adaptive cruise control, all-speed 1,670 1,670 1,200 1,200
Metallic paint (extra cost) 640 640 550 550
LED headlights 1,170 1,170    
Wood trim 1,535 1,535    
Interior ambient lighting 340 340    
Power-folding mirrors 320 320    
Blind spot warning system 690 690 500 500
Voice control for nav and audio 0 0    
Proximity key 790 790    
Premium Package 1,780 1,370    
Convenience Tier     850  
Obstacle detection, rear     750 750
Apple CarPlay support     300 300
Heated front seats     500 500
Leather seating surfaces     1,450 1,450
Porsche Connect Plus 0 0    
Navigation system 0 0 1,565 1,565
Heated steering wheel 0 0 175 175
Adaptive sport seats plus 0 0    
Adaptive cruise control, all-speed 0 0 1,105 1,105
Metallic paint (extra cost) 0 0 505 505
LED headlights 0 0    
Wood trim 0 0    
Interior ambient lighting 0 0    
Power-folding mirrors 0 0    
Blind spot warning system 0 0 460 460
Voice control for nav and audio 0 0    
Proximity key 0 0    
Premium Package 0 0    
Convenience Tier     780  
Obstacle detection, rear     690 690
Apple CarPlay support     275 275
Heated front seats     460 460
Leather seating surfaces     1,335 1,335
Options (change) 16,260 15,850 7,990 7,140
Options (change) 0 0 7,350 6,570
Destination 1,050 1,050 995 995
Total Price $71,210 $83,200 $53,835 $58,835

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Porsche 718 Cayman vs. BMW 3-Series Gran Turismo

Lowest Adjusted Price: BMW 3-Series Gran Turismo 330i
Lowest Adjusted Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $22,595
TrueDelta Adjusted Invoice Difference: $44,766
Model Year2017201720182018
Model718 Cayman718 Cayman3-Series Gran Turismo3-Series Gran Turismo
TrimBaseS330i340i
Body2dr Hatch2dr Hatch4dr Hatch4dr Hatch
Engine300hp H4350hp H4248hp I4320hp I6
TransmissionM6M6T8T8
DrivetrainRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)110, 6110, 6205, 9600, 16
Tire (rear if not all the same)235/45-18235/40-19225/45-18225/45-18
Total Price$71,210$83,200$53,835$58,835
Adjustments for Features00-5,220-5,470
Feature-Adjusted Total Price$71,210$83,200$48,615$53,365
Cost Above Minimum$0$11,990$0$4,750

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Features Comparison: Porsche 718 Cayman vs. BMW 3-Series Gran Turismo

Model Year2017201720182018
Model718 Cayman718 Cayman3-Series Gran Turismo3-Series Gran Turismo
TrimBaseS330i340i
Body2dr Hatch2dr Hatch4dr Hatch4dr Hatch
Transmission and Drivetrain 
6-speed manual$150$150  
8-speed manually-shiftable automatic  $1300$1300
RWD$0$0  
AWD  $1700$1700
Accessories 
Hands-free trunk or liftgate  $100$100
Power liftgate  $350$350
Power rear side windows  $200$200
Remote window/roof operation  $15$15
Tilt/telescoping steering wheel, manual  $250$250
Tilt/telescoping steering wheel, power$350$350  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0
Automatic braking, high-speed or partial$200$200  
Hill descent control  $250$250
Radar- or camera-based collision preparation system$0$0  
Tires, run-flat  $150$150
Cargo Management 
Air-conditioned storage compartment  $50$50
Cargo area rails w/tie downs  $50$50
Cargo cover  $75$75
Cargo net$40$40  
Climate Control 
Rear air vents with manual controls  $150$150
Water-repellent front-door glass$15$15  
Engine / Motor 
Mid-engine configuration$0$0  
Exterior 
Bright-finished exhaust tip(s)$25$25  
Painted brake calipers (optional) $0  
Panoramic sunroof  $1200$1200
Infotainment 
DVD-Audio-compatible player$0$0  
DVD-compatible player  $0$0
Media drive  $15$15
Media drive, small$5$5  
Off-road navigation system$0$0  
S Voice support  $0$0
Satellite radio$200$200  
Satellite radio - one year subscription  $250$250
SD Card slot$25$25  
Surround sound   $250
Traffic + travel information  $25$25
Traffic information$25$25  
Voice control for external devices  $0$0
Wi-Fi hotspot$50$50  
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200  
Auto-dimming passenger-side mirror$75$75  
Compass  $0$0
Fog light, rear$100$100  
Fog lights  $125$125
Headlight washers$50$50  
Mirror tilt-down in reverse  $25$25
Steering-linked headlights$150$150  
Turn signals on or near mirrors  $25$25
Seats and Interior Trim 
Center armrest(s), second row  $50$50
Folding second row seats  $300$300
Leather door panel trim$250$250  
Manual recliner, second row seats  $75$75
Manual thigh support length adjuster, driver seat  $50$50
Manual thigh support length adjuster, passenger seat  $50$50
No leather in second row$-300$-300  
Power thigh bolsters, driver seat$100$100  
Power thigh bolsters, passenger seat$100$100  
Power thigh support length adjuster, driver seat$100$100  
Power thigh support length adjuster, passenger seat$100$100  
Suspension, Wheels, and Tires 
Electronic systems calibration selector  $200$200
Transmission 
Launch control  $100$100
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$2,010$2,010$7,230$7,480
Value of Feature Adjustments$0$0$5,220$5,470
Value of Feature Adjustments00-4,919-5,150

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Specifications Comparison: Porsche 718 Cayman vs. BMW 3-Series Gran Turismo

Model Year20172018
Model718 Cayman3-Series Gran Turismo
Body2dr Hatch4dr Hatch
Wheelbase97.4 in115.0 in
Length172.4 in190.0 in
Width70.9 in72.0 in
Height51.0 in59.4 in
Curb Weight2,945 lb.4,016 lb.
Fuel Capacity14.3 gal.15.8 gal.
Row 1 Headroom0.0 in41.3 in
Row 1 Shoulder Room0.0 in55.2 in
Row 1 Legroom0.0 in42.0 in
Row 2 Headroom0.0 in38.3 in
Row 2 Shoulder Room0.0 in54.1 in
Row 2 Legroom0.0 in39.2 in
Cargo Volume,
Minimum
15.0 ft318.3 ft3
Cargo Volume,
Behind R2
15.018.4 ft3
Cargo Volume,
Maximum
15.056.5 ft3

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Option Package Details
Porsche 718 Cayman

Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0Yes
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100Yes
Total Requested50091%
Total Not Requested509%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested130072%
Total Not Requested50028%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50No
Total Requested100078%
Total Not Requested27522%

Option Package Details
Porsche 718 Cayman S

Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50No
Total Requested100078%
Total Not Requested27522%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0Yes
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100Yes
Total Requested50091%
Total Not Requested509%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested130072%
Total Not Requested50028%

Option Package Details
BMW 3-Series Gran Turismo 330i

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Forward collision warning200Yes
Total Requested900100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive15No
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0Yes
Navigation system600Yes
Traffic + travel information25No
Remote app25Yes
Total Requested107596%
Total Not Requested404%
Convenience Tier
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested55061%
Total Not Requested35039%

Option Package Details
BMW 3-Series Gran Turismo 340i

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Forward collision warning200Yes
Total Requested900100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive15No
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0Yes
Navigation system600Yes
Traffic + travel information25No
Remote app25Yes
Total Requested107596%
Total Not Requested404%

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