Porsche 918 Spyder vs Porsche 718 Boxster Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2021 Porsche 718 Boxster GTS 4.0 RWD
Photo of 2019 model year shown

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Used Car Pricing Used listing price comparison and analysis.

2015 Porsche 918 Spyder
Roadster
CarGurus Instant Market Value
$845,000
2 listings nationwide

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2021 Porsche 718 Boxster
GTS 4.0 RWD
CarGurus Instant Market Value
$104,867

Expert Reviews Reviews from CarGurus experts.

2015 Porsche 918 Spyder
Roadster
John Goreham Preview:

Porsche did not need to use a hybrid electric drive system in the 918 Spyder hypercar. The automaker could have set the track record at the famous Nurburgring without using two electri...

2021 Porsche 718 Boxster
GTS 4.0 RWD
No Expert Reviews

User Reviews Reviews from CarGurus users who have driven or owned the car.

2015 Porsche 918 Spyder
Roadster
125
drgoodwrench writes:
Wicked fun to drive at Laguna Seca, not sure I could handle is as a daily driver..mostly due to all the rice r...
2021 Porsche 718 Boxster
GTS 4.0 RWD
No User Reviews

Specs

2015 Porsche 918 Spyder
Roadster
2021 Porsche 718 Boxster
GTS 4.0 RWD
Powertrain 7-Speed Dual Clutch
Drivetrain
AWD
RWD
RWD
Fuel Economy, City
20 MPG
--
--
Fuel Economy, Highway
24 MPG
--
--
Fuel Tank Volume 18.5 gal 16.9 gal
Engine
Fuel Type
Gasoline
Gasoline
Gasoline
Power
887 hp @ 8,700 RPM
394 hp @ 7,000 RPM
394 hp @ 7,000 RPM
Torque
944 lb-ft @ 6,600 RPM
309 lb-ft @ 5,000 RPM
309 lb-ft @ 5,000 RPM
Cylinders
8 cylinders
6 cylinders
6 cylinders
Compression Ratio
9.8:1
13:1
13:1
Displacement
4,600 cc
4,000 cc
4,000 cc
Bore x Stroke
3.74 in x 3.19 in
4.02 in x 3.21 in
4.02 in x 3.21 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Leather Seats Standard --
Air Conditioning Standard Standard
CD Player Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 2 seats 2 seats
Front Legroom -- --
Back Legroom -- --
Payload and Towing
Cargo Volume 3.7 cu ft 9.6 cu ft
Maximum Payload -- 592 lbs
Exterior
Length 182.8 in 172.9 in
Width 76.4 in 78.5 in
Height 45.9 in 49.7 in
Wheelbase 107.5 in 97.4 in

Available Options

2015 Porsche 918 Spyder
Roadster

Exterior Colors

  • Basalt Black Metallic
  • Black
  • Custom Color Uni
  • Dark Blue Metallic
  • GT Silver Metallic
  • Guards Red
  • Leather In Custom Color
  • Liquid Metal Chrome Blue
  • Liquid Metal Silver
  • Meteor Gray Metallic
  • Racing Yellow
  • Rhodium Silver Metallic
  • Sapphire Blue Metallic
  • White

Option Packages

  • Lifting System Front Axle
  • Carbon FLOORMAT W/Acid Green Piping
  • Carbon FLOORMAT W/Orange Piping
  • Carbon FLOORMAT W/Silver Piping
  • Electric Comfort Heating
  • Factory Collection Leipzig
  • Factory Collection Zuffenhausen
  • Interior Package Carbon
  • Painted Key W/Leather Key Pouch
  • Seat Belts W/Accent Stripes Acid Green
  • Seat Belts W/Accent Stripes Orange
  • Seat Belts W/Accent Stripes Silver
  • MOCCA Brown/Orange, Authentic Leather Trim
  • MOCCA Brown/Silver, Authentic Leather Trim
  • Onyx Black/Acid Green, Authentic Leather Trim
  • Onyx Black/Silver, Authentic Leather Trim
  • Wheel: 20" F & 21" R 918 SPYDER Painted Platinum
  • Wheel: 20" Front & 21" Rear 918 SPYDER Magnesium
2021 Porsche 718 Boxster
GTS 4.0 RWD

Exterior Colors

  • Agate Grey Metallic
  • Aventurine Green Metallic
  • Black
  • Carmine Red
  • Carrara White Metallic
  • Chalk
  • Custom Color
  • Dolomite Silver Metallic
  • GT Silver Metallic
  • Gentian Blue Metallic
  • Guards Red
  • Jet Black Metallic
  • Lava Orange
  • Miami Blue
  • Night Blue Metallic
  • Python Green
  • Racing Yellow
  • White

Option Packages

  • Bose Surround Sound System
  • Burmester High-End Surround Sound System
  • Climate Control Panel Painted
  • Climate Control Panel in Leather
  • Illuminated Door-Sill Guards in Carbon Fiber
  • Illuminated Door-Sill Guards in Stainless Steel
  • Inner Door-Sill Guards in Leather
  • Instrument Dials in Guards Red
  • Instrument Dials in Racing Yellow
  • Instrument Dials in White
  • Dashboard Trim Package In Leather
  • Pedals & Footrest in Aluminum
  • Sun Visors in Leather
  • GTS Interior Package
  • Adaptive Cruise Control (ACC)
  • Brake Calipers In High Gloss Black
  • Carbon Fiber Floor Mats W/Leather Edging
  • Dashboard Trim Package In Leather/Race-Tex
  • Deviated Leather Seat Centers
  • Deviated Stitching Interior Package
  • Door Trim Package In Leather/Race-Tex
  • Door Trim Panel Package In Leather
  • Extended Deviated Stitching Interior Package
  • Floor Mats W/Leather Edging
  • ILLUM Personalized Door Sill Guards In Carbon Fib
  • ILLUM Personalized Door-Sill Guards In Stain Steel
  • Inner Door-Sill Guards In Leather W/Dev Stitching
  • Interior Trim In Black Brushed Aluminum
  • Interior Trim In Black Brushed Aluminum W/Leather
  • Interior Trim In Brushed Aluminum
  • Interior Trim In Brushed Aluminum W/LTHR Interior
  • Interior Trim In Carbon Fiber
  • Interior Trim In Carbon Fiber W/Leather Interior
  • Interior Trim In Leather In Int Color W/LTHR Int
  • Interior Trim In Leather In Interior Color
  • Interior Trim Painted In Ext Color W/LTHR Interior
  • Interior Trim Painted In Exterior Color
  • Led Headlights W/Porsche Dynamic Light System Plus
  • Manual Gear Lever In Deviated Leather Stitching
  • Navigation W/Porsche Connect
  • Owner's Manual Wallet In Carbon Fiber
  • Owner's Manual Wallet In Leather
  • PDK Gear Selector In Deviated Leather
  • Personalized Floor Mats W/Leather Edging
  • Porsche Ceramic Composite Brakes (PCCB) W/Yellow
  • Porsche Entry & Drive
  • Premium Package
  • Smartphone Compartment
  • Sport Seats Plus Backrest Shells & Trim In LTHR
  • Steering Column Casing In Leather W/Dev Stitching
  • Sun Visors In Race-Tex
  • Supplemental Safety Bars In High Gloss Black
  • Vehicle Keys Painted & 1 Key Pouch In Leather
  • Ventilated Seats
  • Wheels Painted In Satin Aurum
  • Lane Change Assist (LCA)
  • Supplemental Safety Bars In Aluminum Look
  • Supplemental Safety Bars in Exterior Color
  • Agate Grey, Leather Seat Trim W/Leather Interior
  • Black W/Chalk Stitching, Leather Seat Trim W/Race-Tex Centers & LTHR Int
  • Black, Leather Seat Trim W/Leather Interior
  • Black, Leather Seat Trim W/Race-Tex Centers & LTHR Int
  • Black/Bordeaux Red, Leather Seat Trim W/Two-Tone Leather Interior
  • Black/Carmine Red Stitch, Leather Seat Trim W/Race-Tex Centers & LTHR Int
  • Black/Chalk, Leather Seat Trim W/Two-Tone Leather Interior
  • Black/Luxor Beige, Leather Seat Trim W/Two-Tone Leather Interior
  • Bordeaux Red, Leather Seat Trim W/Leather Int
  • Espresso, Natural Leather Seat Trim W/Leather Interior
  • Espresso/Cognac, Natural Leather Seat Trim W/Two-Tone Leather Int
  • Graphite Blue, Leather Seat Trim W/Leather Int
  • 14-Way Power Sport Seats
  • 18-Way Adaptive Sport Seats Plus
  • Full Bucket Seats
  • Transmission: 7-Speed Porsche Doppelkupplung (PDK)
  • Wheels Painted in Exterior Color
  • Wheels Painted in High-Gloss Black
  • Wheels Painted in Jet Black Metallic
  • Wheels Painted in Satin Platinum
  • Wheels: 20" 911 Turbo
  • Wheels: 20" Carrera Sport

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