Compare Alfa Romeo Spider 939 vs Alfa Romeo 8C Spider vs Mercedes AMG GT Roadster
Variants
1.75 TBi
2.0 JTDM
2.2 JTS
2.2 JTS Selespeed
2.4 JTDM 200
2.4 JTDM 200 Q-Tronic
2.4 JTDM 210
3.2 JTS
3.2 V6 Q4
3.2 V6 Q4 AT
GT
GT C
GT S
Capacity
Cargo Capacity
253 L / 8.9 cu-ft
165 L / 5.8 cu-ft
Coolant Capacity
12.5 L / 13.2 qt
Engine Oil Capacity
9.0 L / 9.5 qt
7.0 L / 7.4 qt
Fuel Capacity
70.0 L / 18.5 gal
88.0 L / 23.2 gal
65.0 L / 17.2 gal
Passengers
2
2
Payload
350 kg / 772 lbs
180 kg / 397 lbs
Chassis
Brakes | Front
Ventilated discs, 380x32 mm
Ventilated discs
Brakes | Rear
Ventilated discs, 360x32 mm
Ventilated discs
Offroad | Approach Angle
9.5 deg
Offroad | Breakover Angle
9.4 deg
Offroad | Departure Angle
14.0 deg
Power Steering
Hydraulic Steering
Electric Steering
Suspension | Front
Double-wishbone
Double-wishbone
Double-wishbone
Suspension | Rear
Multi-link
Double-wishbone
Double-wishbone
Tire Size
Front wheel tires: 245/35 R 20 Rear wheel tires: 285/35 R 20
Turning Circle
10.7 m / 35.1 ft
10.4 m / 34.1 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
140 mm / 5.5 in
96 mm / 3.8 in
Size | Height
1318 mm / 51.9 in
1366 mm / 53.8 in
Size | Length
4393 mm / 173.0 in
4381 mm / 172.5 in
Size | Width
1892 mm / 74.5 in | 2055 mm / 80.9 in (mirror unfolded)
1939 mm / 76.3 in | 2075 mm / 81.7 in (mirror unfolded)
Track Width | Front
1579.0 mm / 62.2 in
1590.0 mm / 62.6 in
Track Width | Rear
1559.0 mm / 61.4 in
1589.0 mm / 62.6 in
1651.0 mm / 65.0 in
Weight
1675.0 kg / 3692.7 lbs
Wheel Size
7.5 J x 17
Front wheel rims: 9 J x 20 Rear wheel rims: 10.5 J x 20
Wheelbase
2528 mm / 99.5 in
2645 mm / 104.1 in
2630 mm / 103.5 in
Performance
Acceleration | 0 - 100 km/h
4.4 sec
Acceleration | 0 - 60 mph
4.2 sec
Braking | 100 km/h - 0
33.0 m / 108.2 ft
CO2 Emission
377 g/km
Coefficient Of Drag
0.38
Fuel Economy
15.8 L/100km / 14.9 MPG (combined)
Top Speed
290.0 km/h / 180.2 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 5
Engine
AR8C
M 178 DE 40 AL
Engine | Bore
94.0 mm / 3.7 in
Engine | Compression Ratio
11.3:1
Engine | Displacement
4.7 L / 286.3 cu-in / 4691.0 cc
4.0 L / 243.0 cu-in / 3982.0 cc
Engine | Power
450.0 hp / 335.6 kW @ 7000 rpm
Engine | Redline
7500 rpm
Engine | Specific Output
95.9 hp/L / 1.6 hp/cu-in
Engine | Stroke
84.5 mm / 3.3 in
Engine | Torque
480 Nm / 354.0 lb-ft @ 4750 rpm
Engine | Type
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
6-speed
6-speed
7-speed
Transmission | Type
Manual
Double clutch transmission (DCT)
Production
Availability
2008 ~ 2010
2017
Reviews
Neofiliac score
58%
87%
91%
Pros
- Improved handling and comfort
- Improved top-down styling
- Improved performance
- Sexy styling
- Small turning circle
- Great handling characteristics
- Good performance overall
- Relatively tight and light
- Robust drivetrain
Cons
- Ugly with the top up
- Essentially a Maserati GranCabrio, but much more expensive
- High 0.38 drag coefficient
- Very little cargo space
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