Car comparison

AUDI S5 Coupe (8T) 4.2 FSI V8vsCadillac XLR 4.6 i V8 32V

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

New comparison

AUDI S5 Coupe (8T)

4.2 FSI V8

354 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCoupe2007-2011
VS

Cadillac XLR

4.6 i V8 32V

325 hp4565 ccGasolineRWDAutomaticNaturally aspiratedCoupe2003-2009

Comparison overview

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

Best choices

AUDI S5 Coupe (8T) 4.2 FSI V8

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    354 hp
    264 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Lightest
    1,675 kg
    3,693 lb
  • Best power-to-weight
    211 hp/t
    158 kW/t
    4.7 kg/hp
  • Lowest combined fuel consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest city consumption
    15.7 L/100 km
    15.0 mpg US
    18.0 mpg UK
  • Lowest highway consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest CO2 emissions
    256 g/km
  • Best estimated range
    593 km
    368 mi
  • Largest trunk
    455 L
  • Best overall score
    65/100
  • Best performance score
    70/100
  • Best economy score
    78/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelAUDIS5 Coupe (8T)4.2 FSI V8CadillacXLR4.6 i V8 32V
Power
354hp264kW
325hp242kW
Torque
440Nm325lb-ft
420Nm310lb-ft
Curb weight
1,675kg3,693lb
1,690kg3,726lb
Gross weight
2,175kg4,795lb
-
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
73.9s99% target: 262 km/h / 163 mph
Calculated
81.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.4s
5.9s
0-200 km/h
18.9s
Calculated
20.7s
Calculated
0-60 mph
5.1s
Calculated
5.6s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
15.7L/100 km15mpg US18.0mpg UK
18.2L/100 km12.9mpg US15.5mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
9L/100 km26.1mpg US31.4mpg UK
Quarter mile
13.5s
Calculated
14.0s
Calculated
Power-to-weight
211hp/t158kW/t96hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
263Nm/t176lb-ft/ton
Calculated
249Nm/t166lb-ft/ton
Calculated
Estimated range
593km368mi
Calculated
553km344mi
Calculated
Displacement
4,163cc254cu in
4,565cc279cu in
Length
4,625mm182in
4,513mm178in
Width
1,854mm73in
1,836mm72in
Height
1,369mm54in
1,279mm50in
Wheelbase
2,751mm108in
2,685mm106in
Front track
1,594mm63in
1,580mm62in
Rear track
1,581mm62in
1,580mm62in
Trunk volume
455L
125L
Max trunk volume-
328L
Doors
2
2
Seats
4
2
Fuel tank
64L
68L
CO2 emissions
256g/km
291g/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 S5 Coupe (8T) 4.2 FSI V8Cadillac XLR 4.6 i V8 32VPowerTorque
  • AUDI S5 Coupe (8T) 4.2 FSI V8: Power / Torque
  • Cadillac XLR 4.6 i V8 32V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS5 Coupe (8T)4.2 FSI V87,000 rpm3,500 rpm7,250 rpm
CadillacXLR4.6 i V8 32V6,400 rpm4,400 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS5 Coupe (8T)4.2 FSI V8CadillacXLR4.6 i V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.6 s
0-100 km/h
0-62 mph
5.4 s
5.9 s
0-200 km/h
0-124 mph
18.9 s
20.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
8.9 s
9.2 s
1000 ft
305 m
11.4 s
11.8 s
1/4 mile
402 m
13.5 s
14.0 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS5 Coupe (8T)4.2 FSI V8
354 hp
264 kW
CadillacXLR4.6 i V8 32V
325 hp
242 kW

AUDI S5 Coupe (8T) 4.2 FSI V8 has 29 hp more than Cadillac XLR 4.6 i V8 32V.

The biggest power difference is between Cadillac XLR 4.6 i V8 32V and AUDI S5 Coupe (8T) 4.2 FSI V8: 29 hp (22 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS5 Coupe (8T)4.2 FSI V8
440 Nm
325 lb-ft
CadillacXLR4.6 i V8 32V
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS5 Coupe (8T)4.2 FSI V8
1,675 kg
3,693 lb
CadillacXLR4.6 i V8 32V
1,690 kg
3,726 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIS5 Coupe (8T)4.2 FSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacXLR4.6 i V8 32V
Unrestricted
265 km/h165 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
AUDIS5 Coupe (8T)4.2 FSI V85.4 s
CadillacXLR4.6 i V8 32V5.9 s

The biggest 0-100 km/h difference is between AUDI S5 Coupe (8T) 4.2 FSI V8 and Cadillac XLR 4.6 i V8 32V: 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
AUDIS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
CadillacXLR4.6 i V8 32V
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between AUDI S5 Coupe (8T) 4.2 FSI V8 and Cadillac XLR 4.6 i V8 32V: 1.5 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
AUDIS5 Coupe (8T)4.2 FSI V8
211 hp/t
158 kW/t
4.7 kg/hp
CadillacXLR4.6 i V8 32V
192 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS5 Coupe (8T)4.2 FSI V8
593 km
368 mi
CadillacXLR4.6 i V8 32V
553 km
344 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS5 Coupe (8T)4.2 FSI V8
354 hp
264 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacXLR4.6 i V8 32V
325 hp
242 kW
5.9 s
Unrestricted
265 km/h165 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
AUDIS5 Coupe (8T)4.2 FSI V8
Power
354 hp
264 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
455 L
16.1 cu ft
Length
4,625 mm
182.1 in
Height
1,369 mm
53.9 in
CadillacXLR4.6 i V8 32V
Power
325 hp
242 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,513 mm
177.7 in
Height
1,279 mm
50.4 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
AUDIS5 Coupe (8T)4.2 FSI V8
Power
354 hp
264 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
CadillacXLR4.6 i V8 32V
Power
325 hp
242 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

AUDI S5 Coupe (8T) 4.2 FSI V8 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
AUDIS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
5.4 s
CadillacXLR4.6 i V8 32V
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.9 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
AUDIS5 Coupe (8T)4.2 FSI V8
211 hp/t
158 kW/t
4.7 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
CadillacXLR4.6 i V8 32V
192 hp/t
143 kW/t
5.2 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS5 Coupe (8T)4.2 FSI V8CadillacXLR4.6 i V8 32V
Power
354 hp
264 kW
325 hp
242 kW
Torque
440 Nm
325 lb-ft
420 Nm
310 lb-ft
Acceleration
5.4 s
5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,675 kg
3,693 lb
1,690 kg
3,726 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
455 L
16.1 cu ft
Length
4,625 mm
182.1 in
Height
1,369 mm
53.9 in
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,513 mm
177.7 in
Height
1,279 mm
50.4 in
Range score
593 km
368 mi
553 km
344 mi
CO2 score
256 g/km
291 g/km
Trunk score
455 L
16.1 cu ft
125 L
4.4 cu ft
Power-to-weight score
211 hp/t
158 kW/t
4.7 kg/hp
192 hp/t
143 kW/t
5.2 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 S5 Coupe (8T) 4.2 FSI V8Cadillac XLR 4.6 i V8 32V
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km18.90 LC100 km21.53 LC100 km
Cost / 100 mi30.42 LC100 mi34.64 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,835 LC/year3,229 LC/year

Head-to-head comparisons

AUDI S5 Coupe (8T) 4.2 FSI V8

  • Has 29 hp more
  • Has 20 Nm more
  • Is 15 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 1.5 L/100 km less fuel
  • Has 19 hp/t better power-to-weight
  • Has 40 km (25 mi) more estimated range
  • Has 330 L more trunk volume
  • Emits 35 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cadillac XLR 4.6 i V8 32V

No measurable advantages in the available data.

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S5 Coupe (8T) 4.2 FSI V8
Cadillac XLR 4.6 i V8 32V
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2 vehicles selected

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AUDI S5 Coupe (8T) 4.2 FSI V8 vs Cadillac XLR 4.6 i V8 32V - car comparison - FastVsFaster