Car comparison

AUDI A3 Cabriolet (8P) · Facelift 2008 2.0 TFSIvsAlfa Romeo Spider (939) 2.4 JTDM

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

New comparison

AUDI A3 Cabriolet (8P) · Facelift 2008

2.0 TFSI

200 hp1984 ccGasolineFWDAutomaticTurbochargedCabriolet / convertible2008-2013
VS

Alfa Romeo Spider (939)

2.4 JTDM

210 hp2387 ccDieselFWDManualTurbochargedCabriolet / convertible2008-2010

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
  • Fastest top speed
    231 km/h
    144 mph
  • Lightest
    1,475 kg
    3,252 lb
  • Best power-to-weight
    136 hp/t
    101 kW/t
    7.4 kg/hp
  • Largest trunk
    260 L
  • Best overall score
    48/100
  • Best performance score
    50/100
  • Best practicality score
    43/100

Alfa Romeo Spider (939) 2.4 JTDM

  • Most powerful
    210 hp
    157 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest highway consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Best estimated range
    1,029 km
    640 mi
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSIAlfa RomeoSpider (939)2.4 JTDM
Power
200hp149kW
210hp157kW
Torque
280Nm207lb-ft
400Nm295lb-ft
Curb weight
1,475kg3,252lb
1,635kg3,605lb
Gross weight
1,975kg4,354lb
1,985kg4,376lb
Top speed
231 km/h
144 mph
231 km/h
144 mph
To 99% top speed
93.5s99% target: 229 km/h / 142 mph
Calculated
110.5s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
7.3s
8.1s
0-200 km/h
34.0s
Calculated
39.3s
Calculated
0-60 mph
6.9s
Calculated
7.6s
Calculated
Fuel consumption
7.6L/100 km30.9mpg US37.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
10.3L/100 km22.8mpg US27.4mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
15.3s
Calculated
15.9s
Calculated
Power-to-weight
136hp/t101kW/t62hp/1000 lb
Calculated
128hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
190Nm/t127lb-ft/ton
Calculated
245Nm/t164lb-ft/ton
Calculated
Estimated range
724km450mi
Calculated
1,029km640mi
Calculated
Displacement
1,984cc121cu in
2,387cc146cu in
Length
4,238mm167in
4,393mm173in
Width
1,765mm69in
1,830mm72in
Height
1,424mm56in
1,318mm52in
Wheelbase
2,578mm101in
2,528mm100in
Front track
1,534mm60in
1,579mm62in
Rear track
1,507mm59in
1,559mm61in
Trunk volume
260L
253L
Max trunk volume
674L
-
Doors
2
2
Seats
4
2
Fuel tank
55L
70L
CO2 emissions-
179g/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.

AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSIAlfa Romeo Spider (939) 2.4 JTDMPowerTorque
  • AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI: Power / Torque
  • Alfa Romeo Spider (939) 2.4 JTDM: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI5,100-6,000 rpm1,800-5,000 rpm6,250 rpm
Alfa RomeoSpider (939)2.4 JTDM4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSIAlfa RomeoSpider (939)2.4 JTDM
Acceleration checkpoints
0-60 mph
0-97 km/h
6.9 s
7.6 s
0-100 km/h
0-62 mph
7.3 s
8.1 s
0-200 km/h
0-124 mph
34.0 s
39.3 s
Top speed
231 km/h
144 mph
231 km/h
144 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.5 s
6.8 s
1/8 mile
201 m
9.9 s
10.3 s
1000 ft
305 m
12.8 s
13.3 s
1/4 mile
402 m
15.3 s
15.9 s
Trap speed
1/4 mile
402 m
149 km/h
93 mph
144 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
200 hp
149 kW
Alfa RomeoSpider (939)2.4 JTDM
210 hp
157 kW

Alfa Romeo Spider (939) 2.4 JTDM has 10 hp more than AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI.

The biggest power difference is between AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI and Alfa Romeo Spider (939) 2.4 JTDM: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
280 Nm
207 lb-ft
Alfa RomeoSpider (939)2.4 JTDM
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
1,475 kg
3,252 lb
Alfa RomeoSpider (939)2.4 JTDM
1,635 kg
3,605 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
231 km/h
144 mph
Alfa RomeoSpider (939)2.4 JTDM
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
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI7.3 s
Alfa RomeoSpider (939)2.4 JTDM8.1 s

Although Alfa Romeo Spider (939) 2.4 JTDM has more power, AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI and Alfa Romeo Spider (939) 2.4 JTDM: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Alfa RomeoSpider (939)2.4 JTDM
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Spider (939) 2.4 JTDM and AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI: 0.8 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
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
136 hp/t
101 kW/t
7.4 kg/hp
Alfa RomeoSpider (939)2.4 JTDM
128 hp/t
96 kW/t
7.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
724 km
450 mi
Alfa RomeoSpider (939)2.4 JTDM
1,029 km
640 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
200 hp
149 kW
7.3 s
231 km/h
144 mph
Alfa RomeoSpider (939)2.4 JTDM
210 hp
157 kW
8.1 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
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
Alfa RomeoSpider (939)2.4 JTDM
Power
210 hp
157 kW
0-100 km/h8.1 s
Top speed
231 km/h
144 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

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
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
Alfa RomeoSpider (939)2.4 JTDM
Power
210 hp
157 kW
0-100 km/h8.1 s
Top speed
231 km/h
144 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Alfa Romeo Spider (939) 2.4 JTDM 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
AUDIA3 Cabriolet (8P)Facelift 20082.0 TFSI
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
7.3 s
Alfa RomeoSpider (939)2.4 JTDM
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
8.1 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
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
Alfa RomeoSpider (939)2.4 JTDM
128 hp/t
96 kW/t
7.8 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA3 Cabriolet (8P)Facelift 20082.0 TFSIAlfa RomeoSpider (939)2.4 JTDM
Power
200 hp
149 kW
210 hp
157 kW
Torque
280 Nm
207 lb-ft
400 Nm
295 lb-ft
Acceleration
7.3 s
8.1 s
Top speed
231 km/h
144 mph
231 km/h
144 mph
Lightness
1,475 kg
3,252 lb
1,635 kg
3,605 lb
Fuel consumption
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
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
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
Range score
724 km
450 mi
1,029 km
640 mi
CO2 score
-
179 g/km
Trunk score
260 L
9.2 cu ft
253 L
8.9 cu ft
Power-to-weight score
136 hp/t
101 kW/t
7.4 kg/hp
128 hp/t
96 kW/t
7.8 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
VehicleAUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSIAlfa Romeo Spider (939) 2.4 JTDM
Consumption7.6 L/100 km30.9 mpg US37.2 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km13.30 LC100 km11.90 LC100 km
Cost / 100 mi21.40 LC100 mi19.15 LC100 mi
Annual fuel used1,140 L301 US gal251 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,995 LC/year1,785 LC/year

Head-to-head comparisons

AUDI A3 Cabriolet (8P) Facelift 2008 2.0 TFSI

  • Is 160 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 7 hp/t better power-to-weight
  • Has 7 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption

Alfa Romeo Spider (939) 2.4 JTDM

  • Has 10 hp more
  • Has 120 Nm more
  • Uses 0.8 L/100 km less fuel
  • Has 306 km (190 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A3 Cabriolet (8P) 2.0 TFSI
Alfa Romeo Spider (939) 2.4 JTDM
Compare selected cars
2 vehicles selected

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AUDI A3 Cabriolet (8P) · Facelift 2008 2.0 TFSI vs Alfa Romeo Spider (939) 2.4 JTDM - car comparison - FastVsFaster