Car comparison

Alfa Romeo 159 Sportwagon 3.2 JTS V6vsMercedes-Benz R-class (W251) · Facelift 2010 R 350 CDI V6

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

New comparison

Alfa Romeo 159 Sportwagon

3.2 JTS V6

260 hp3195 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2007-2010
VS

Mercedes-Benz R-class (W251) · Facelift 2010

R 350 CDI V6

265 hp2987 ccDieselAWDAutomaticTurbochargedWagon / estate2010-2014

Comparison overview

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

Best choices

Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6

  • Most powerful
    265 hp
    198 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    11.0 L/100 km
    21.4 mpg US
    25.7 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    223 g/km
  • Best estimated range
    941 km
    585 mi
  • Largest trunk
    550 L
  • Best overall score
    67/100
  • Best performance score
    57/100
  • Best economy score
    84/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelAlfa Romeo159 Sportwagon3.2 JTS V6Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
Power
260hp194kW
265hp198kW
Torque
322Nm237lb-ft
620Nm457lb-ft
Curb weight
1,680kg3,704lb
2,175kg4,795lb
Gross weight
2,230kg4,916lb
2,880kg6,349lb
Top speed
242 km/h
150 mph
235 km/h
146 mph
To 99% top speed
72.7s99% target: 240 km/h / 149 mph
Calculated
87.8s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
7.3s
7.6s
0-200 km/h
25.9s
Calculated
31.6s
Calculated
0-60 mph
7.0s
Calculated
7.2s
Calculated
Fuel consumption
12.2L/100 km19.3mpg US23.2mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption city
18.3L/100 km12.9mpg US15.4mpg UK
11L/100 km21.4mpg US25.7mpg UK
Fuel consumption highway
8.6L/100 km27.4mpg US32.8mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
15.2s
Calculated
15.5s
Calculated
Power-to-weight
155hp/t115kW/t70hp/1000 lb
Calculated
122hp/t91kW/t55hp/1000 lb
Calculated
Torque-to-weight
192Nm/t128lb-ft/ton
Calculated
285Nm/t191lb-ft/ton
Calculated
Estimated range
566km351mi
Calculated
941km585mi
Calculated
Displacement
3,195cc195cu in
2,987cc182cu in
Length
4,660mm183in
4,922mm194in
Width
1,828mm72in
1,922mm76in
Height
1,422mm56in
1,674mm66in
Wheelbase
2,700mm106in
2,980mm117in
Front track
1,578mm62in
1,661mm65in
Rear track
1,555mm61in
1,651mm65in
Trunk volume
445L
550L
Max trunk volume
1,235L
1,950L
Doors
5
5
Seats
5
5
Fuel tank
69L
80L
CO2 emissions
288g/km
223g/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 159 Sportwagon 3.2 JTS V6Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6PowerTorque
  • Alfa Romeo 159 Sportwagon 3.2 JTS V6: Power / Torque
  • Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa Romeo159 Sportwagon3.2 JTS V66,300 rpm4,500 rpm6,550 rpm
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V63,800 rpm1,600-2,400 rpm4,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa Romeo159 Sportwagon3.2 JTS V6Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
7.2 s
0-100 km/h
0-62 mph
7.3 s
7.6 s
0-200 km/h
0-124 mph
25.9 s
31.6 s
Top speed
242 km/h
150 mph
235 km/h
146 mph
Drag race simulation
60 ft
18 m
2.7 s
2.6 s
330 ft
101 m
6.8 s
6.8 s
1/8 mile
201 m
10.1 s
10.1 s
1000 ft
305 m
12.9 s
13.0 s
1/4 mile
402 m
15.2 s
15.5 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
Alfa Romeo159 Sportwagon3.2 JTS V6
260 hp
194 kW
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
265 hp
198 kW

Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6 has 5 hp more than Alfa Romeo 159 Sportwagon 3.2 JTS V6.

The biggest power difference is between Alfa Romeo 159 Sportwagon 3.2 JTS V6 and Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
Alfa Romeo159 Sportwagon3.2 JTS V6
322 Nm
237 lb-ft
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
620 Nm
457 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Alfa Romeo159 Sportwagon3.2 JTS V6
1,680 kg
3,704 lb
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
2,175 kg
4,795 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 Romeo159 Sportwagon3.2 JTS V6
242 km/h
150 mph
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
235 km/h
146 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Alfa Romeo159 Sportwagon3.2 JTS V67.3 s
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V67.6 s

Although Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6 has more power, Alfa Romeo 159 Sportwagon 3.2 JTS V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo 159 Sportwagon 3.2 JTS V6 and Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6: 0.3 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 Romeo159 Sportwagon3.2 JTS V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6 and Alfa Romeo 159 Sportwagon 3.2 JTS V6: 3.7 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 Romeo159 Sportwagon3.2 JTS V6
155 hp/t
115 kW/t
6.5 kg/hp
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
122 hp/t
91 kW/t
8.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Alfa Romeo159 Sportwagon3.2 JTS V6
566 km
351 mi
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
941 km
585 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa Romeo159 Sportwagon3.2 JTS V6
260 hp
194 kW
7.3 s
242 km/h
150 mph
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
265 hp
198 kW
7.6 s
235 km/h
146 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 Romeo159 Sportwagon3.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.3 s
Top speed
242 km/h
150 mph
Doors/seats
5 doors
5 seats
Trunk
445 L
15.7 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
Power
265 hp
198 kW
0-100 km/h7.6 s
Top speed
235 km/h
146 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,922 mm
193.8 in
Height
1,674 mm
65.9 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
Alfa Romeo159 Sportwagon3.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.3 s
Top speed
242 km/h
150 mph
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
Power
265 hp
198 kW
0-100 km/h7.6 s
Top speed
235 km/h
146 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6 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 Romeo159 Sportwagon3.2 JTS V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
7.3 s
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
7.6 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 Romeo159 Sportwagon3.2 JTS V6
155 hp/t
115 kW/t
6.5 kg/hp
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
122 hp/t
91 kW/t
8.2 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa Romeo159 Sportwagon3.2 JTS V6Mercedes-BenzR-class (W251)Facelift 2010R 350 CDI V6
Power
260 hp
194 kW
265 hp
198 kW
Torque
322 Nm
237 lb-ft
620 Nm
457 lb-ft
Acceleration
7.3 s
7.6 s
Top speed
242 km/h
150 mph
235 km/h
146 mph
Lightness
1,680 kg
3,704 lb
2,175 kg
4,795 lb
Fuel consumption
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
445 L
15.7 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,922 mm
193.8 in
Height
1,674 mm
65.9 in
Range score
566 km
351 mi
941 km
585 mi
CO2 score
288 g/km
223 g/km
Trunk score
445 L
15.7 cu ft
550 L
19.4 cu ft
Power-to-weight score
155 hp/t
115 kW/t
6.5 kg/hp
122 hp/t
91 kW/t
8.2 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
VehicleAlfa Romeo 159 Sportwagon 3.2 JTS V6Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6
Consumption12.2 L/100 km19.3 mpg US23.2 mpg UK8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km21.35 LC100 km14.88 LC100 km
Cost / 100 mi34.36 LC100 mi23.94 LC100 mi
Annual fuel used1,830 L483 US gal403 UK gal1,275 L337 US gal280 UK gal
Annual fuel cost3,203 LC/year2,231 LC/year

Head-to-head comparisons

Alfa Romeo 159 Sportwagon 3.2 JTS V6

  • Is 495 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 7 km/h (4 mph) higher top speed
  • Has 33 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

Mercedes-Benz R-class (W251) Facelift 2010 R 350 CDI V6

  • Has 5 hp more
  • Has 298 Nm more
  • Uses 3.7 L/100 km less fuel
  • Has 376 km (233 mi) more estimated range
  • Has 105 L more trunk volume
  • Emits 65 g/km less CO2

Pros

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

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo 159 Sportwagon 3.2 JTS V6
Mercedes-Benz R-class (W251) R 350 CDI V6
Compare selected cars
2 vehicles selected

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