Car comparison

Lexus IS II (XE20) 250 V6vsAlfa Romeo 159 2.4 JTDM 20V

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

New comparison

Lexus IS II (XE20)

250 V6

208 hp2500 ccGasolineRWDAutomaticNaturally aspiratedSedan2005-2008
VS

Alfa Romeo 159

2.4 JTDM 20V

210 hp2387 ccDieselAWDManualTurbochargedSedan2007-2009

Comparison overview

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

Best choices

Alfa Romeo 159 2.4 JTDM 20V

  • Quickest 0-100 km/h
    8.3 s
  • Most powerful
    210 hp
    157 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest city consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest highway consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Best estimated range
    972 km
    604 mi
  • Largest trunk
    405 L
  • Best overall score
    57/100
  • Best performance score
    50/100
  • Best economy score
    87/100
  • Best practicality score
    71/100

Lexus IS II (XE20) 250 V6

  • Fastest top speed
    240 km/h
    149 mph Unrestricted
    225 km/h
    140 mph Restricted
  • Lightest
    1,625 kg
    3,583 lb
  • Best power-to-weight
    128 hp/t
    95 kW/t
    7.8 kg/hp

Specification comparison

Specification comparison
ModelLexusIS II (XE20)250 V6Alfa Romeo1592.4 JTDM 20V
Power
208hp155kW
210hp157kW
Torque
252Nm186lb-ft
400Nm295lb-ft
Curb weight
1,625kg3,583lb
1,645kg3,627lb
Gross weight
2,045kg4,508lb
2,195kg4,839lb
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Calculated
227 km/h
141 mph
To 99% top speed
78.3s99% target: 238 km/h / 148 mph
Calculated
73.6s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
8.4s
8.3s
0-200 km/h
29.3s
Calculated
32.6s
Calculated
0-60 mph
8.0s
Calculated
7.9s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Fuel consumption city
12.7L/100 km18.5mpg US22.2mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Quarter mile
16.1s
Calculated
16.0s
Calculated
Power-to-weight
128hp/t95kW/t58hp/1000 lb
Calculated
128hp/t95kW/t58hp/1000 lb
Calculated
Torque-to-weight
155Nm/t104lb-ft/ton
Calculated
243Nm/t163lb-ft/ton
Calculated
Estimated range
714km444mi
Calculated
972km604mi
Calculated
Displacement
2,500cc153cu in
2,387cc146cu in
Length
4,575mm180in
4,660mm183in
Width
1,800mm71in
1,828mm72in
Height
1,425mm56in
1,422mm56in
Wheelbase
2,730mm107in
2,700mm106in
Front track
1,535mm60in
1,578mm62in
Rear track
1,545mm61in
1,555mm61in
Ground clearance
145mm6in
-
Trunk volume
378L
405L
Doors
4
4
Seats
5
5
Fuel tank
65L
70L
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.

Lexus IS II (XE20) 250 V6Alfa Romeo 159 2.4 JTDM 20VPowerTorque
  • Lexus IS II (XE20) 250 V6: Power / Torque
  • Alfa Romeo 159 2.4 JTDM 20V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
LexusIS II (XE20)250 V66,400 rpm4,800 rpm6,650 rpm
Alfa Romeo1592.4 JTDM 20V4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricLexusIS II (XE20)250 V6Alfa Romeo1592.4 JTDM 20V
Acceleration checkpoints
0-60 mph
0-97 km/h
8.0 s
7.9 s
0-100 km/h
0-62 mph
8.4 s
8.3 s
0-200 km/h
0-124 mph
29.3 s
32.6 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Likely limited
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.9 s
2.9 s
330 ft
101 m
7.3 s
7.2 s
1/8 mile
201 m
10.7 s
10.7 s
1000 ft
305 m
13.7 s
13.6 s
1/4 mile
402 m
16.1 s
16.0 s
Trap speed
1/4 mile
402 m
152 km/h
95 mph
150 km/h
93 mph

Power comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
208 hp
155 kW
Alfa Romeo1592.4 JTDM 20V
210 hp
157 kW

Alfa Romeo 159 2.4 JTDM 20V has 2 hp more than Lexus IS II (XE20) 250 V6.

The biggest power difference is between Lexus IS II (XE20) 250 V6 and Alfa Romeo 159 2.4 JTDM 20V: 2 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
252 Nm
186 lb-ft
Alfa Romeo1592.4 JTDM 20V
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
1,625 kg
3,583 lb
Alfa Romeo1592.4 JTDM 20V
1,645 kg
3,627 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Alfa Romeo1592.4 JTDM 20V
227 km/h
141 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V68.4 s
Alfa Romeo1592.4 JTDM 20V8.3 s

The biggest 0-100 km/h difference is between Alfa Romeo 159 2.4 JTDM 20V and Lexus IS II (XE20) 250 V6: 0.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Alfa Romeo1592.4 JTDM 20V
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

The biggest fuel consumption difference is between Alfa Romeo 159 2.4 JTDM 20V and Lexus IS II (XE20) 250 V6: 1.9 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
LexusIS II (XE20)250 V6
128 hp/t
95 kW/t
7.8 kg/hp
Alfa Romeo1592.4 JTDM 20V
128 hp/t
95 kW/t
7.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
LexusIS II (XE20)250 V6
714 km
444 mi
Alfa Romeo1592.4 JTDM 20V
972 km
604 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
LexusIS II (XE20)250 V6
208 hp
155 kW
8.4 s
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Alfa Romeo1592.4 JTDM 20V
210 hp
157 kW
8.3 s
227 km/h
141 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
LexusIS II (XE20)250 V6
Power
208 hp
155 kW
0-100 km/h8.4 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Doors/seats
4 doors
5 seats
Trunk
378 L
13.3 cu ft
Length
4,575 mm
180.1 in
Height
1,425 mm
56.1 in
Alfa Romeo1592.4 JTDM 20V
Power
210 hp
157 kW
0-100 km/h8.3 s
Top speed
227 km/h
141 mph
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 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
LexusIS II (XE20)250 V6
Power
208 hp
155 kW
0-100 km/h8.4 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Alfa Romeo1592.4 JTDM 20V
Power
210 hp
157 kW
0-100 km/h8.3 s
Top speed
227 km/h
141 mph
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

Alfa Romeo 159 2.4 JTDM 20V 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
LexusIS II (XE20)250 V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
8.4 s
Alfa Romeo1592.4 JTDM 20V
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
8.3 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
LexusIS II (XE20)250 V6
128 hp/t
95 kW/t
7.8 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Alfa Romeo1592.4 JTDM 20V
128 hp/t
95 kW/t
7.8 kg/hp
7.2 L/100 km
32.7 mpg US
39.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleLexusIS II (XE20)250 V6Alfa Romeo1592.4 JTDM 20V
Power
208 hp
155 kW
210 hp
157 kW
Torque
252 Nm
186 lb-ft
400 Nm
295 lb-ft
Acceleration
8.4 s
8.3 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
227 km/h
141 mph
Lightness
1,625 kg
3,583 lb
1,645 kg
3,627 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
7.2 L/100 km
32.7 mpg US
39.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
378 L
13.3 cu ft
Length
4,575 mm
180.1 in
Height
1,425 mm
56.1 in
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in
Range score
714 km
444 mi
972 km
604 mi
CO2 score
-
192 g/km
Trunk score
378 L
13.3 cu ft
405 L
14.3 cu ft
Power-to-weight score
128 hp/t
95 kW/t
7.8 kg/hp
128 hp/t
95 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
VehicleLexus IS II (XE20) 250 V6Alfa Romeo 159 2.4 JTDM 20V
Consumption9.1 L/100 km25.8 mpg US31 mpg UK7.2 L/100 km32.7 mpg US39.2 mpg UK
Cost / 100 km15.92 LC100 km12.60 LC100 km
Cost / 100 mi25.63 LC100 mi20.28 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,080 L285 US gal238 UK gal
Annual fuel cost2,389 LC/year1,890 LC/year

Head-to-head comparisons

Lexus IS II (XE20) 250 V6

  • Is 20 kg lighter
  • Has 13 km/h (8 mph) higher top speed
  • Has 0 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

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

Alfa Romeo 159 2.4 JTDM 20V

  • Has 2 hp more
  • Has 148 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 1.9 L/100 km less fuel
  • Has 258 km (160 mi) more estimated range
  • Has 27 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Lexus IS II (XE20) 250 V6
Alfa Romeo 159 2.4 JTDM 20V
Compare selected cars
2 vehicles selected

Popular comparisons

250 V6
250 V6
VS
LexusIS II (XE20)250 V6vsLexusIS II (XE20)Facelift 2008250 V6
2.4 JTDM 20V
2.4 JTDM 20V
VS
Alfa Romeo1592.4 JTDM 20VvsAlfa Romeo159 Sportwagon2.4 JTDM 20V
250 V6
250 V6
VS
LexusIS II (XE20)250 V6vsLexusIS II (XE20)Facelift 2010250 V6
2.4 JTDM 20V
2.5 i V6 24V
VS
Alfa Romeo1592.4 JTDM 20VvsAlfa Romeo156 (932)Facelift 20032.5 i V6 24V
250 V6
2.4 JTDM 20V
VS
LexusIS II (XE20)250 V6vsAlfa Romeo1592.4 JTDM 20V
250 V6
2.5 i V6 24V
VS
LexusIS II (XE20)250 V6vsJaguarX-type (X400)2.5 i V6 24V
2.4 JTDM 20V
250 V6
VS
Alfa Romeo1592.4 JTDM 20VvsLexusIS II (XE20)250 V6
250 V6
2.5T 20V
VS
LexusIS II (XE20)250 V6vsVolvoS80Facelift 20032.5T 20V
2.4 JTDM 20V
2.4i
VS
Alfa Romeo1592.4 JTDM 20VvsHondaAccord VIII2.4i
250 V6
2.0 TFSI
VS
LexusIS II (XE20)250 V6vsVolkswagenJetta V2.0 TFSI
2.4 JTDM 20V
2.5 i V6 24V
VS
Alfa Romeo1592.4 JTDM 20VvsAlfa Romeo156 (932)2.5 i V6 24V
250 V6
2.5 T5
VS
LexusIS II (XE20)250 V6vsVolvoS40 II2.5 T5
Lexus IS II (XE20) 250 V6 vs Alfa Romeo 159 2.4 JTDM 20V - car comparison - FastVsFaster