Car comparison

Alpina Roadster V8 4.8 i V8 32VvsAUDI TT RS Roadster (8J) 2.5 TFSI

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

New comparison

Alpina Roadster V8

4.8 i V8 32V

381 hp4837 ccGasolineRWDManualNaturally aspiratedRoadster2002-2006
VS

AUDI TT RS Roadster (8J)

2.5 TFSI

340 hp2480 ccGasolineAWDManualTurbochargedRoadster2009-2010

Comparison overview

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

Best choices

Alpina Roadster V8 4.8 i V8 32V

  • Fastest top speed
    280 km/h
    174 mph Unrestricted
    260 km/h
    162 mph Restricted
  • Most powerful
    381 hp
    284 kW
  • Highest torque
    520 Nm
    384 lb-ft
  • Best power-to-weight
    236 hp/t
    176 kW/t
    4.2 kg/hp
  • Lowest combined fuel consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Best estimated range
    785 km
    488 mi
  • Best overall score
    61/100
  • Best performance score
    74/100
  • Best economy score
    82/100
  • Best practicality score
    32/100

AUDI TT RS Roadster (8J) 2.5 TFSI

  • Quickest 0-100 km/h
    4.7 s
  • Lightest
    1,510 kg
    3,329 lb
  • Lowest city consumption
    13.3 L/100 km
    17.7 mpg US
    21.2 mpg UK
  • Lowest highway consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK

Specification comparison

Specification comparison
ModelAlpinaRoadster V84.8 i V8 32VAUDITT RS Roadster (8J)2.5 TFSI
Power
381hp284kW
340hp254kW
Torque
520Nm384lb-ft
450Nm332lb-ft
Curb weight
1,615kg3,560lb
1,510kg3,329lb
Gross weight
1,950kg4,299lb
1,830kg4,034lb
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
73.3s99% target: 277 km/h / 172 mph
Calculated
61.0s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
4.7s
0-200 km/h
17.1s
Calculated
16.6s
Calculated
0-60 mph
5.1s
Calculated
4.5s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
15L/100 km15.7mpg US18.8mpg UK
13.3L/100 km17.7mpg US21.2mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
13.3s
Calculated
12.8s
Calculated
Power-to-weight
236hp/t176kW/t107hp/1000 lb
Calculated
225hp/t168kW/t102hp/1000 lb
Calculated
Torque-to-weight
322Nm/t215lb-ft/ton
Calculated
298Nm/t199lb-ft/ton
Calculated
Estimated range
785km488mi
Calculated
632km392mi
Calculated
Displacement
4,837cc295cu in
2,480cc151cu in
Length
4,400mm173in
4,198mm165in
Width
1,830mm72in
1,842mm73in
Height
1,320mm52in
1,348mm53in
Wheelbase
2,505mm99in
2,468mm97in
Front track
1,550mm61in
1,555mm61in
Rear track
1,570mm62in
1,546mm61in
Trunk volume-
250L
Doors
2
2
Seats
2
2
Fuel tank
73L
60L
CO2 emissions-
221g/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.

Alpina Roadster V8 4.8 i V8 32VAUDI TT RS Roadster (8J) 2.5 TFSIPowerTorque
  • Alpina Roadster V8 4.8 i V8 32V: Power / Torque
  • AUDI TT RS Roadster (8J) 2.5 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaRoadster V84.8 i V8 32V5,800 rpm3,800 rpm6,050 rpm
AUDITT RS Roadster (8J)2.5 TFSI5,400-6,500 rpm1,600-6,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaRoadster V84.8 i V8 32VAUDITT RS Roadster (8J)2.5 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
4.5 s
0-100 km/h
0-62 mph
5.3 s
4.7 s
0-200 km/h
0-124 mph
17.1 s
16.6 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.1 s
330 ft
101 m
5.9 s
5.6 s
1/8 mile
201 m
8.8 s
8.4 s
1000 ft
305 m
11.3 s
10.8 s
1/4 mile
402 m
13.3 s
12.8 s
Trap speed
1/4 mile
402 m
178 km/h
110 mph
179 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
381 hp
284 kW
AUDITT RS Roadster (8J)2.5 TFSI
340 hp
254 kW

Alpina Roadster V8 4.8 i V8 32V has 41 hp more than AUDI TT RS Roadster (8J) 2.5 TFSI.

The biggest power difference is between AUDI TT RS Roadster (8J) 2.5 TFSI and Alpina Roadster V8 4.8 i V8 32V: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
520 Nm
384 lb-ft
AUDITT RS Roadster (8J)2.5 TFSI
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
1,615 kg
3,560 lb
AUDITT RS Roadster (8J)2.5 TFSI
1,510 kg
3,329 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
AUDITT RS Roadster (8J)2.5 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V5.3 s
AUDITT RS Roadster (8J)2.5 TFSI4.7 s

Although Alpina Roadster V8 4.8 i V8 32V has more power, AUDI TT RS Roadster (8J) 2.5 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI TT RS Roadster (8J) 2.5 TFSI and Alpina Roadster V8 4.8 i V8 32V: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
AUDITT RS Roadster (8J)2.5 TFSI
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
236 hp/t
176 kW/t
4.2 kg/hp
AUDITT RS Roadster (8J)2.5 TFSI
225 hp/t
168 kW/t
4.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
785 km
488 mi
AUDITT RS Roadster (8J)2.5 TFSI
632 km
392 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaRoadster V84.8 i V8 32V
381 hp
284 kW
5.3 s
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
AUDITT RS Roadster (8J)2.5 TFSI
340 hp
254 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
AlpinaRoadster V84.8 i V8 32V
Power
381 hp
284 kW
0-100 km/h5.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,400 mm
173.2 in
Height
1,320 mm
52.0 in
AUDITT RS Roadster (8J)2.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,348 mm
53.1 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
AlpinaRoadster V84.8 i V8 32V
Power
381 hp
284 kW
0-100 km/h5.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
AUDITT RS Roadster (8J)2.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Alpina Roadster V8 4.8 i V8 32V 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
AlpinaRoadster V84.8 i V8 32V
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
5.3 s
AUDITT RS Roadster (8J)2.5 TFSI
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
4.7 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
AlpinaRoadster V84.8 i V8 32V
236 hp/t
176 kW/t
4.2 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
AUDITT RS Roadster (8J)2.5 TFSI
225 hp/t
168 kW/t
4.4 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaRoadster V84.8 i V8 32VAUDITT RS Roadster (8J)2.5 TFSI
Power
381 hp
284 kW
340 hp
254 kW
Torque
520 Nm
384 lb-ft
450 Nm
332 lb-ft
Acceleration
5.3 s
4.7 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,615 kg
3,560 lb
1,510 kg
3,329 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,400 mm
173.2 in
Height
1,320 mm
52.0 in
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,348 mm
53.1 in
Range score
785 km
488 mi
632 km
392 mi
CO2 score
-
221 g/km
Trunk score
-
250 L
8.8 cu ft
Power-to-weight score
236 hp/t
176 kW/t
4.2 kg/hp
225 hp/t
168 kW/t
4.4 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
VehicleAlpina Roadster V8 4.8 i V8 32VAUDI TT RS Roadster (8J) 2.5 TFSI
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km16.28 LC100 km16.63 LC100 km
Cost / 100 mi26.19 LC100 mi26.76 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,441 LC/year2,494 LC/year

Head-to-head comparisons

Alpina Roadster V8 4.8 i V8 32V

  • Has 41 hp more
  • Has 70 Nm more
  • Has 20 km/h (12 mph) higher top speed
  • Uses 0.2 L/100 km less fuel
  • Has 11 hp/t better power-to-weight
  • Has 153 km (95 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest

AUDI TT RS Roadster (8J) 2.5 TFSI

  • Is 105 kg lighter
  • Is 0.6 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina Roadster V8 4.8 i V8 32V
AUDI TT RS Roadster (8J) 2.5 TFSI
Compare selected cars
2 vehicles selected

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