Site Title

Compare Porsche 918 Spyder vs Mercedes SLS AMG Roadster [Roadster] vs Mercedes AMG GT Roadster [GT]

Reviews

Neo score
87%
92%
91%
Pros
  • Mind-blowing performance
  • Glorious 9150rpm redline
  • Wonderful handling
  • Supercar styling
  • Superb performance
  • Gorgeous styling
  • Great drivetrain reliability
  • Good build quality
  • Good performance overall
  • Relatively tight and light
  • Robust drivetrain
Cons
  • PHEV nonsense
  • Very complicated
  • No gull wing doors
  • High 0.36 drag coefficient
  • Very little cargo space
  • High 0.38 drag coefficient
  • Very little cargo space

Price

Offers (incl. referral links)

Variants

Roadster
Final Edition GT Roadster
GT Roadster
GT
GT C
GT S

Capacity

Cargo Capacity
110 L / 3.9 cu-ft
173 L / 6.1 cu-ft
165 L / 5.8 cu-ft
Coolant Capacity
28.3 L / 29.9 qt
14.0 L / 14.8 qt
Engine Oil Capacity
8.5 L / 9.0 qt
9.5 L / 10.0 qt
7.0 L / 7.4 qt
Fuel Capacity
70.0 L / 18.5 gal
85.0 L / 22.5 gal
65.0 L / 17.2 gal
Passengers
2
2
2
Payload
226 kg / 498 lbs
300 kg / 661 lbs
345 kg / 761 lbs

Chassis

Brakes | Front
Ventilated discs, 410x36 mm
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs, 390x32 mm
Ventilated discs
Ventilated discs
Offroad | Approach Angle
9.5 deg
Offroad | Breakover Angle
9.4 deg
Offroad | Departure Angle
14.0 deg
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Double-wishbone
Double-wishbone
Double-wishbone
Suspension | Rear
Multi-link
Double-wishbone
Double-wishbone
Tire Size
Front wheel tires: 265/35 R20 Rear wheel tires: 325/30 R21
265/35 ZR19, 295/30 ZR20
255/35 ZR19, 295/35 ZR19
Turning Circle
12.7 m / 41.7 ft
11.9 m / 39.0 ft
11.5 m / 37.7 ft

Construction

Battery | Capacity
6.8 kWh (gross)
Battery | Type
Lithium-ion
Battery | Voltage
385.0 V
Body Style
2-door plug-in hybrid Convertible
2-door Convertible
2-door Convertible

Dimensions

Ground Clearance
93 mm / 3.7 in
96 mm / 3.8 in
Size | Height
1167 mm / 45.9 in
1261 mm / 49.6 in
1259 mm / 49.6 in
Size | Length
4643 mm / 182.8 in
4638 mm / 182.6 in
4544 mm / 178.9 in
Size | Width
1940 mm / 76.4 in | 2053 mm / 80.8 in (mirror unfolded)
1939 mm / 76.3 in | 2075 mm / 81.7 in (mirror unfolded)
1939 mm / 76.3 in | 2075 mm / 81.7 in (mirror unfolded)
Track Width | Front
1664.0 mm / 65.5 in
1682.0 mm / 66.2 in
1684.0 mm / 66.3 in
Track Width | Rear
1612.0 mm / 63.5 in
1653.0 mm / 65.1 in
1651.0 mm / 65.0 in
Weight
1674.0 kg / 3690.5 lbs
1660.0 kg / 3659.7 lbs
1595.0 kg / 3516.4 lbs
Wheel Size
Front wheel rims: 9.5J x 20 Rear wheel rims: 12.5J x 21
19 in, 20 in
19 in
Wheelbase
2730 mm / 107.5 in
2680 mm / 105.5 in
2630 mm / 103.5 in

Performance

Acceleration | 0 - 100 km/h
2.6 sec
3.8 sec
4.0 sec
Acceleration | 0 - 60 mph
2.5 sec
3.6 sec
3.8 sec
CO2 Emission
72 g/km
308 g/km
219 g/km
Coefficient Of Drag
0.36
0.38
Electric Range
16.0 km / 9.9 mi
Fuel Economy
3.1 L/100km / 75.9 MPG (combined)
13.2 L/100km / 17.8 MPG (combined) | 19.9 L/100km / 11.8 MPG (urban) | 9.3 L/100km / 25.3 MPG (highway)
9.4 L/100km / 25.0 MPG (combined) | 12.2 L/100km / 19.3 MPG (urban) | 7.8 L/100km / 30.2 MPG (highway)
Top Speed
345.0 km/h / 214.4 mph, 150.0 km/h / 93.2 mph (EV mode)
317.0 km/h / 197.0 mph
302.0 km/h / 187.7 mph

Powertrain

Drivetrain Layout
Mid-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 5
Euro 5
Euro 6
Engine
M1800
M 159.980
M 178 DE 40 AL
Engine | Bore
95.0 mm / 3.7 in
102.2 mm / 4.0 in
Engine | Compression Ratio
13.5:1
11.3:1
10.5:1
Engine | Displacement
4.6 L / 280.3 cu-in / 4593.0 cc
6.2 L / 378.8 cu-in / 6208.0 cc
4.0 L / 243.0 cu-in / 3982.0 cc
Engine | Power
608.0 hp / 453.4 kW @ 8700 rpm + 156.0 hp / 116.3 kW (electric motor)
571.0 hp / 425.8 kW @ 6800 rpm
476.0 hp / 355.0 kW @ 6000 rpm
Engine | Redline
9150 rpm
Engine | Specific Output
132.4 hp/L / 2.2 hp/cu-in
92.0 hp/L / 1.5 hp/cu-in
119.5 hp/L / 2.0 hp/cu-in
Engine | Stroke
81.0 mm / 3.2 in
94.6 mm / 3.7 in
Engine | Torque
540 Nm / 398.3 lb-ft @ 6700 rpm + 375 Nm / 276.6 lb-ft
650 Nm / 479.4 lb-ft @ 4750 rpm
630 Nm / 464.7 lb-ft @ 1700-5000 rpm
Engine | Type
Naturally-aspirated direct-injected petrol V8 DOHC engine with 4 values per cylinder
Naturally-aspirated multi-port injected petrol V8 DOHC engine with 4 values per cylinder
Bi-turbocharged direct-injected petrol V8 engine with 4 values per cylinder
Transmission | Gears
7-speed
7-speed
7-speed
Transmission | Type
Automatic PDK
Double clutch transmission (DCT)
Double clutch transmission (DCT)

Production

Availability
2013 ~ 2015
2011 ~ 2014
2017
Remove
Remove
Remove
Add up to 6 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.