Car comparison

Alpina B5 Touring (E61) 4.4 V8vsMercedes-Benz R-class (W251) R 500 V8

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

New comparison

Alpina B5 Touring (E61)

4.4 V8

500 hp4398 ccGasolineRWDAutomaticSuperchargedWagon / estate2005-2008
VS

Mercedes-Benz R-class (W251)

R 500 V8

388 hp5461 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2007-2009

Comparison overview

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

Best choices

Alpina B5 Touring (E61) 4.4 V8

  • Quickest 0-100 km/h
    4.8 s
  • Fastest top speed
    310 km/h
    193 mph
  • Most powerful
    500 hp
    373 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,810 kg
    3,990 lb
  • Best power-to-weight
    276 hp/t
    206 kW/t
    3.6 kg/hp
  • Lowest combined fuel consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest city consumption
    18.7 L/100 km
    12.6 mpg US
    15.1 mpg UK
  • Lowest highway consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Largest trunk
    500 L
  • Best overall score
    86/100
  • Best performance score
    87/100
  • Best economy score
    74/100
  • Best practicality score
    84/100

Specification comparison

Specification comparison
ModelAlpinaB5 Touring (E61)4.4 V8Mercedes-BenzR-class (W251)R 500 V8
Power
500hp373kW
388hp289kW
Torque
700Nm516lb-ft
530Nm391lb-ft
Curb weight
1,810kg3,990lb
2,145kg4,729lb
Gross weight
2,350kg5,181lb
2,880kg6,349lb
Top speed
310 km/h
193 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
55.4s99% target: 307 km/h / 191 mph
Calculated
72.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.8s
6.1s
0-200 km/h
12.7s
Calculated
20.6s
Calculated
0-60 mph
4.6s
Calculated
5.8s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption city
18.7L/100 km12.6mpg US15.1mpg UK
18.8L/100 km12.5mpg US15.0mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
10.2L/100 km23.1mpg US27.7mpg UK
Quarter mile
12.5s
Calculated
14.1s
Calculated
Power-to-weight
276hp/t206kW/t125hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
387Nm/t259lb-ft/ton
Calculated
247Nm/t165lb-ft/ton
Calculated
Estimated range
565km351mi
Calculated
597km371mi
Calculated
Displacement
4,398cc268cu in
5,461cc333cu in
Length
4,843mm191in
4,938mm194in
Width
1,846mm73in
1,922mm76in
Height
1,491mm59in
1,661mm65in
Wheelbase
2,886mm114in
2,980mm117in
Front track
1,562mm61in
1,643mm65in
Rear track
1,573mm62in
1,636mm64in
Trunk volume
500L
324L
Max trunk volume
1,650L
2,001L
Doors
5
5
Seats
5
5
Fuel tank
70L
80L

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 B5 Touring (E61) 4.4 V8Mercedes-Benz R-class (W251) R 500 V8PowerTorque
  • Alpina B5 Touring (E61) 4.4 V8: Power / Torque
  • Mercedes-Benz R-class (W251) R 500 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB5 Touring (E61)4.4 V85,500 rpm4,250 rpm5,750 rpm
Mercedes-BenzR-class (W251)R 500 V86,000 rpm2,800-4,800 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB5 Touring (E61)4.4 V8Mercedes-BenzR-class (W251)R 500 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
5.8 s
0-100 km/h
0-62 mph
4.8 s
6.1 s
0-200 km/h
0-124 mph
12.7 s
20.6 s
Top speed
310 km/h
193 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
5.8 s
6.3 s
1/8 mile
201 m
8.4 s
9.3 s
1000 ft
305 m
10.7 s
11.9 s
1/4 mile
402 m
12.5 s
14.1 s
Trap speed
1/4 mile
402 m
199 km/h
124 mph
168 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
500 hp
373 kW
Mercedes-BenzR-class (W251)R 500 V8
388 hp
289 kW

Alpina B5 Touring (E61) 4.4 V8 has 112 hp more than Mercedes-Benz R-class (W251) R 500 V8.

The biggest power difference is between Mercedes-Benz R-class (W251) R 500 V8 and Alpina B5 Touring (E61) 4.4 V8: 112 hp (84 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
700 Nm
516 lb-ft
Mercedes-BenzR-class (W251)R 500 V8
530 Nm
391 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
1,810 kg
3,990 lb
Mercedes-BenzR-class (W251)R 500 V8
2,145 kg
4,729 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
310 km/h
193 mph
Mercedes-BenzR-class (W251)R 500 V8
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
AlpinaB5 Touring (E61)4.4 V84.8 s
Mercedes-BenzR-class (W251)R 500 V86.1 s

The biggest 0-100 km/h difference is between Alpina B5 Touring (E61) 4.4 V8 and Mercedes-Benz R-class (W251) R 500 V8: 1.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzR-class (W251)R 500 V8
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

The biggest fuel consumption difference is between Alpina B5 Touring (E61) 4.4 V8 and Mercedes-Benz R-class (W251) R 500 V8: 1.0 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
AlpinaB5 Touring (E61)4.4 V8
276 hp/t
206 kW/t
3.6 kg/hp
Mercedes-BenzR-class (W251)R 500 V8
181 hp/t
135 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB5 Touring (E61)4.4 V8
565 km
351 mi
Mercedes-BenzR-class (W251)R 500 V8
597 km
371 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB5 Touring (E61)4.4 V8
500 hp
373 kW
4.8 s
310 km/h
193 mph
Mercedes-BenzR-class (W251)R 500 V8
388 hp
289 kW
6.1 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
AlpinaB5 Touring (E61)4.4 V8
Power
500 hp
373 kW
0-100 km/h4.8 s
Top speed
310 km/h
193 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,843 mm
190.7 in
Height
1,491 mm
58.7 in
Mercedes-BenzR-class (W251)R 500 V8
Power
388 hp
289 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
324 L
11.4 cu ft
Length
4,938 mm
194.4 in
Height
1,661 mm
65.4 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
AlpinaB5 Touring (E61)4.4 V8
Power
500 hp
373 kW
0-100 km/h4.8 s
Top speed
310 km/h
193 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzR-class (W251)R 500 V8
Power
388 hp
289 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

Alpina B5 Touring (E61) 4.4 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
AlpinaB5 Touring (E61)4.4 V8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
4.8 s
Mercedes-BenzR-class (W251)R 500 V8
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
6.1 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
AlpinaB5 Touring (E61)4.4 V8
276 hp/t
206 kW/t
3.6 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Mercedes-BenzR-class (W251)R 500 V8
181 hp/t
135 kW/t
5.5 kg/hp
13.4 L/100 km
17.6 mpg US
21.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB5 Touring (E61)4.4 V8Mercedes-BenzR-class (W251)R 500 V8
Power
500 hp
373 kW
388 hp
289 kW
Torque
700 Nm
516 lb-ft
530 Nm
391 lb-ft
Acceleration
4.8 s
6.1 s
Top speed
310 km/h
193 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,810 kg
3,990 lb
2,145 kg
4,729 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
13.4 L/100 km
17.6 mpg US
21.1 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,843 mm
190.7 in
Height
1,491 mm
58.7 in
Doors/seats
5 doors
5 seats
Trunk
324 L
11.4 cu ft
Length
4,938 mm
194.4 in
Height
1,661 mm
65.4 in
Range score
565 km
351 mi
597 km
371 mi
Trunk score
500 L
17.7 cu ft
324 L
11.4 cu ft
Power-to-weight score
276 hp/t
206 kW/t
3.6 kg/hp
181 hp/t
135 kW/t
5.5 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 B5 Touring (E61) 4.4 V8Mercedes-Benz R-class (W251) R 500 V8
Consumption12.4 L/100 km19 mpg US22.8 mpg UK13.4 L/100 km17.6 mpg US21.1 mpg UK
Cost / 100 km21.70 LC100 km23.45 LC100 km
Cost / 100 mi34.92 LC100 mi37.74 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal2,010 L531 US gal442 UK gal
Annual fuel cost3,255 LC/year3,518 LC/year

Head-to-head comparisons

Alpina B5 Touring (E61) 4.4 V8

  • Has 112 hp more
  • Has 170 Nm more
  • Is 335 kg lighter
  • Is 1.3 s quicker from 0-100 km/h
  • Has 50 km/h (31 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 95 hp/t better power-to-weight
  • Has 176 L more trunk volume

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
  • Largest trunk

Mercedes-Benz R-class (W251) R 500 V8

  • Has 32 km (20 mi) more estimated range

Pros

  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B5 Touring (E61) 4.4 V8
Mercedes-Benz R-class (W251) R 500 V8
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2 vehicles selected

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