Car comparison

Alfa Romeo Spider (939) 1.8 TBivsAUDI A3 Cabriolet (8P) · Facelift 2008 2.0 TFSI

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Alfa Romeo Spider (939)

1.8 TBi

200 hp1742 ccGasolineFWDManualTurbochargedCabriolet / convertible2009-2010
VS

AUDI A3 Cabriolet (8P) · Facelift 2008

2.0 TFSI

200 hp1984 ccGasolineFWDAutomaticTurbochargedCabriolet / convertible2008-2013

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI

  • Quickest 0-100 km/h
    7.3 s
  • Lightest
    1,475 kg
    3,252 lb
  • Best power-to-weight
    136 hp/t
    101 kW/t
    7.4 kg/hp
  • Lowest combined fuel consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest city consumption
    10.3 L/100 km
    22.8 mpg US
    27.4 mpg UK
  • Largest trunk
    260 L
  • Best overall score
    48/100
  • Best performance score
    50/100
  • Best economy score
    86/100
  • Best practicality score
    43/100

Alfa Romeo Spider (939) 1.8 TBi

  • Fastest top speed
    235 km/h
    146 mph
  • Most powerful
    200 hp
    149 kW
  • Highest torque
    320 Nm
    236 lb-ft
  • Lowest highway consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Best estimated range
    854 km
    530 mi

Specification comparison

Specification comparison
ModelAlfa RomeoSpider (939)1.8 TBiAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
Power
200hp149kW
200hp149kW
Torque
320Nm236lb-ft
280Nm207lb-ft
Curb weight
1,490kg3,285lb
1,475kg3,252lb
Gross weight
1,840kg4,057lb
1,975kg4,354lb
Top speed
235 km/h
146 mph
231 km/h
144 mph
To 99% top speed
107.2s99% target: 233 km/h / 145 mph
Calculated
93.7s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
7.8s
7.3s
0-200 km/h
36.0s
Calculated
34.1s
Calculated
0-60 mph
7.4s
Calculated
6.9s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption city
11.9L/100 km19.8mpg US23.7mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Quarter mile
15.6s
Calculated
15.3s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
136hp/t101kW/t62hp/1000 lb
Calculated
Torque-to-weight
215Nm/t144lb-ft/ton
Calculated
190Nm/t127lb-ft/ton
Calculated
Estimated range
854km530mi
Calculated
724km450mi
Calculated
Displacement
1,742cc106cu in
1,984cc121cu in
Length
4,393mm173in
4,238mm167in
Width
1,830mm72in
1,765mm69in
Height
1,318mm52in
1,424mm56in
Wheelbase
2,528mm100in
2,578mm101in
Front track
1,579mm62in
1,534mm60in
Rear track
1,559mm61in
1,507mm59in
Trunk volume
253L
260L
Max trunk volume-
674L
Doors
2
2
Seats
2
4
Fuel tank
70L
55L
CO2 emissions
192g/km
-

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Alfa Romeo Spider (939) 1.8 TBiAUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSIPowerTorque
  • Alfa Romeo Spider (939) 1.8 TBi: Power / Torque
  • AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoSpider (939)1.8 TBi5,000 rpm1,400 rpm5,250 rpm
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI5,100-6,000 rpm1,800-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoSpider (939)1.8 TBiAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
7.4 s
6.9 s
0-100 km/h
0-62 mph
7.8 s
7.3 s
0-200 km/h
0-124 mph
36.0 s
34.1 s
Top speed
235 km/h
146 mph
231 km/h
144 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.7 s
6.5 s
1/8 mile
201 m
10.2 s
9.9 s
1000 ft
305 m
13.1 s
12.8 s
1/4 mile
402 m
15.6 s
15.3 s
Trap speed
1/4 mile
402 m
146 km/h
91 mph
149 km/h
93 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
200 hp
149 kW
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
200 hp
149 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
320 Nm
236 lb-ft
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
280 Nm
207 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
1,490 kg
3,285 lb
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
1,475 kg
3,252 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
235 km/h
146 mph
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
231 km/h
144 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi7.8 s
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI7.3 s

The biggest 0-100 km/h difference is between AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI and Alfa Romeo Spider (939) 1.8 TBi: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

The biggest fuel consumption difference is between AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI and Alfa Romeo Spider (939) 1.8 TBi: 0.6 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
134 hp/t
100 kW/t
7.4 kg/hp
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
136 hp/t
101 kW/t
7.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Alfa RomeoSpider (939)1.8 TBi
854 km
530 mi
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
724 km
450 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa RomeoSpider (939)1.8 TBi
200 hp
149 kW
7.8 s
235 km/h
146 mph
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
200 hp
149 kW
7.3 s
231 km/h
144 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Alfa RomeoSpider (939)1.8 TBi
Power
200 hp
149 kW
0-100 km/h7.8 s
Top speed
235 km/h
146 mph
Doors/seats
2 doors
2 seats
Trunk
253 L
8.9 cu ft
Length
4,393 mm
173.0 in
Height
1,318 mm
51.9 in
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
Power
200 hp
149 kW
0-100 km/h7.3 s
Top speed
231 km/h
144 mph
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,238 mm
166.9 in
Height
1,424 mm
56.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Alfa RomeoSpider (939)1.8 TBi
Power
200 hp
149 kW
0-100 km/h7.8 s
Top speed
235 km/h
146 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
Power
200 hp
149 kW
0-100 km/h7.3 s
Top speed
231 km/h
144 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Alfa RomeoSpider (939)1.8 TBi
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.8 s
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
7.3 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Alfa RomeoSpider (939)1.8 TBi
134 hp/t
100 kW/t
7.5 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
136 hp/t
101 kW/t
7.4 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoSpider (939)1.8 TBiAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
Power
200 hp
149 kW
200 hp
149 kW
Torque
320 Nm
236 lb-ft
280 Nm
207 lb-ft
Acceleration
7.8 s
7.3 s
Top speed
235 km/h
146 mph
231 km/h
144 mph
Lightness
1,490 kg
3,285 lb
1,475 kg
3,252 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
253 L
8.9 cu ft
Length
4,393 mm
173.0 in
Height
1,318 mm
51.9 in
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,238 mm
166.9 in
Height
1,424 mm
56.1 in
Range score
854 km
530 mi
724 km
450 mi
CO2 score
192 g/km
-
Trunk score
253 L
8.9 cu ft
260 L
9.2 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.5 kg/hp
136 hp/t
101 kW/t
7.4 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAlfa Romeo Spider (939) 1.8 TBiAUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK7.6 L/100 km30.9 mpg US37.2 mpg UK
Cost / 100 km14.35 LC100 km13.30 LC100 km
Cost / 100 mi23.09 LC100 mi21.40 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,140 L301 US gal251 UK gal
Annual fuel cost2,153 LC/year1,995 LC/year

Head-to-head comparisons

Alfa Romeo Spider (939) 1.8 TBi

  • Has 40 Nm more
  • Has 4 km/h (2 mph) higher top speed
  • Has 130 km (81 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI

  • Is 15 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 0.6 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 7 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo Spider (939) 1.8 TBi
AUDI A3 Cabriolet (8P) 2.0 TFSI
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2 vehicles selected

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