Car comparison

Alpina B5 Touring (E61) 4.4 V8vsMercedes-Benz R-class (W251) AMG R 63 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)

AMG R 63 V8

510 hp6208 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2006-2007

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
  • 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
  • Best estimated range
    565 km
    351 mi
  • 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)AMG R 63 V8
Power
500hp373kW
510hp380kW
Torque
700Nm516lb-ft
630Nm465lb-ft
Curb weight
1,810kg3,990lb
2,330kg5,137lb
Gross weight
2,350kg5,181lb
2,900kg6,393lb
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
55.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.8s
5.0s
0-200 km/h
12.7s
Calculated
16.3s
Calculated
0-60 mph
4.6s
Calculated
4.8s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
16.3L/100 km14.4mpg US17.3mpg UK
Fuel consumption city
18.7L/100 km12.6mpg US15.1mpg UK
24.1L/100 km9.8mpg US11.7mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Quarter mile
12.5s
Calculated
13.0s
Calculated
Power-to-weight
276hp/t206kW/t125hp/1000 lb
Calculated
219hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
387Nm/t259lb-ft/ton
Calculated
270Nm/t181lb-ft/ton
Calculated
Estimated range
565km351mi
Calculated
491km305mi
Calculated
Displacement
4,398cc268cu in
6,208cc379cu in
Length
4,843mm191in
4,930mm194in
Width
1,846mm73in
1,922mm76in
Height
1,491mm59in
1,634mm64in
Wheelbase
2,886mm114in
2,980mm117in
Front track
1,562mm61in
1,665mm66in
Rear track
1,573mm62in
1,652mm65in
Trunk volume
500L
433L
Max trunk volume
1,650L
2,407L
Doors
5
5
Seats
5
6
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) AMG R 63 V8PowerTorque
  • Alpina B5 Touring (E61) 4.4 V8: Power / Torque
  • Mercedes-Benz R-class (W251) AMG R 63 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)AMG R 63 V86,800 rpm5,200 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB5 Touring (E61)4.4 V8Mercedes-BenzR-class (W251)AMG R 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.8 s
0-100 km/h
0-62 mph
4.8 s
5.0 s
0-200 km/h
0-124 mph
12.7 s
16.3 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
2.3 s
330 ft
101 m
5.8 s
5.8 s
1/8 mile
201 m
8.4 s
8.6 s
1000 ft
305 m
10.7 s
11.0 s
1/4 mile
402 m
12.5 s
13.0 s
Trap speed
1/4 mile
402 m
199 km/h
124 mph
181 km/h
112 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)AMG R 63 V8
510 hp
380 kW

Mercedes-Benz R-class (W251) AMG R 63 V8 has 10 hp more than Alpina B5 Touring (E61) 4.4 V8.

The biggest power difference is between Alpina B5 Touring (E61) 4.4 V8 and Mercedes-Benz R-class (W251) AMG R 63 V8: 10 hp (7 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)AMG R 63 V8
630 Nm
465 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)AMG R 63 V8
2,330 kg
5,137 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)AMG R 63 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)AMG R 63 V85.0 s

Although Mercedes-Benz R-class (W251) AMG R 63 V8 has more power, Alpina B5 Touring (E61) 4.4 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alpina B5 Touring (E61) 4.4 V8 and Mercedes-Benz R-class (W251) AMG R 63 V8: 0.2 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)AMG R 63 V8
16.3 L/100 km
14.4 mpg US
17.3 mpg UK

The biggest fuel consumption difference is between Alpina B5 Touring (E61) 4.4 V8 and Mercedes-Benz R-class (W251) AMG R 63 V8: 3.9 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
AlpinaB5 Touring (E61)4.4 V8
276 hp/t
206 kW/t
3.6 kg/hp
Mercedes-BenzR-class (W251)AMG R 63 V8
219 hp/t
163 kW/t
4.6 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)AMG R 63 V8
491 km
305 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)AMG R 63 V8
510 hp
380 kW
5.0 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)AMG R 63 V8
Power
510 hp
380 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
6 seats
Trunk
433 L
15.3 cu ft
Length
4,930 mm
194.1 in
Height
1,634 mm
64.3 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)AMG R 63 V8
Power
510 hp
380 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
16.3 L/100 km
14.4 mpg US
17.3 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)AMG R 63 V8
16.3 L/100 km
14.4 mpg US
17.3 mpg UK
5.0 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)AMG R 63 V8
219 hp/t
163 kW/t
4.6 kg/hp
16.3 L/100 km
14.4 mpg US
17.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB5 Touring (E61)4.4 V8Mercedes-BenzR-class (W251)AMG R 63 V8
Power
500 hp
373 kW
510 hp
380 kW
Torque
700 Nm
516 lb-ft
630 Nm
465 lb-ft
Acceleration
4.8 s
5.0 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
2,330 kg
5,137 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
16.3 L/100 km
14.4 mpg US
17.3 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
6 seats
Trunk
433 L
15.3 cu ft
Length
4,930 mm
194.1 in
Height
1,634 mm
64.3 in
Range score
565 km
351 mi
491 km
305 mi
Trunk score
500 L
17.7 cu ft
433 L
15.3 cu ft
Power-to-weight score
276 hp/t
206 kW/t
3.6 kg/hp
219 hp/t
163 kW/t
4.6 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) AMG R 63 V8
Consumption12.4 L/100 km19 mpg US22.8 mpg UK16.3 L/100 km14.4 mpg US17.3 mpg UK
Cost / 100 km21.70 LC100 km28.53 LC100 km
Cost / 100 mi34.92 LC100 mi45.91 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal2,445 L646 US gal538 UK gal
Annual fuel cost3,255 LC/year4,279 LC/year

Head-to-head comparisons

Alpina B5 Touring (E61) 4.4 V8

  • Has 70 Nm more
  • Is 520 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 50 km/h (31 mph) higher top speed
  • Uses 3.9 L/100 km less fuel
  • Has 57 hp/t better power-to-weight
  • Has 74 km (46 mi) more estimated range
  • Has 67 L more trunk volume

Pros

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

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B5 Touring (E61) 4.4 V8
Mercedes-Benz R-class (W251) AMG R 63 V8
Compare selected cars
2 vehicles selected

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