Car comparison

Mercedes-Benz R-class (W251) AMG R 63 V8vsBMW 5 Series Touring (E61) 550i V8

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

New comparison

Mercedes-Benz R-class (W251)

AMG R 63 V8

510 hp6208 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2006-2007

BMW 5 Series Touring (E61)

550i V8

367 hp4799 ccGasolineRWDManualNaturally aspiratedWagon / estate2005-2007

Comparison overview

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

Mercedes-Benz R-class (W251) AMG R 63 V8

Quickest 0-100 km/h
5.0 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
510 hp
380 kW
Highest torque
630 Nm
465 lb-ft
Best power-to-weight
219 hp/t
163 kW/t
4.6 kg/hp
Best overall score
80/100
Best performance score
78/100
Best economy score
63/100

BMW 5 Series Touring (E61) 550i V8

Lightest
1,755 kg
3,869 lb
Lowest city consumption
17.0 L/100 km
13.8 mpg US
16.6 mpg UK
Lowest highway consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Largest trunk
500 L
Best practicality score
84/100

Specification comparison

Specification comparison
Model	Mercedes-BenzR-class (W251)AMG R 63 V8	BMW5 Series Touring (E61)550i V8
Power	510hp380kW	367hp274kW
Torque	630Nm465lb-ft	490Nm361lb-ft
Curb weight	2,330kg5,137lb	1,755kg3,869lb
Gross weight	2,900kg6,393lb	2,310kg5,093lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	55.6s99% target: 257 km/h / 160 mph Calculated	56.7s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.0s	5.6s
0-200 km/h	16.3s Calculated	17.5s Calculated
0-60 mph	4.8s Calculated	5.4s Calculated
Fuel consumption	16.3L/100 km14.4mpg US17.3mpg UK	-
Fuel consumption city	24.1L/100 km9.8mpg US11.7mpg UK	17L/100 km13.8mpg US16.6mpg UK
Fuel consumption highway	11.8L/100 km19.9mpg US23.9mpg UK	8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile	13.0s Calculated	13.6s Calculated
Power-to-weight	219hp/t163kW/t99hp/1000 lb Calculated	209hp/t156kW/t95hp/1000 lb Calculated
Torque-to-weight	270Nm/t181lb-ft/ton Calculated	279Nm/t187lb-ft/ton Calculated
Estimated range	491km305mi Calculated	-
Displacement	6,208cc379cu in	4,799cc293cu in
Length	4,930mm194in	4,843mm191in
Width	1,922mm76in	1,846mm73in
Height	1,634mm64in	1,491mm59in
Wheelbase	2,980mm117in	2,886mm114in
Front track	1,665mm66in	1,558mm61in
Rear track	1,652mm65in	1,582mm62in
Trunk volume	433L	500L
Max trunk volume	2,407L	1,650L
Doors	5	5
Seats	6	5
Fuel tank	80L	70L

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.

Mercedes-Benz R-class (W251) AMG R 63 V8BMW 5 Series Touring (E61) 550i V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzR-class (W251)AMG R 63 V8	6,800 rpm	5,200 rpm	7,050 rpm
BMW5 Series Touring (E61)550i V8	6,300 rpm	3,400 rpm	6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzR-class (W251)AMG R 63 V8	BMW5 Series Touring (E61)550i V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.8 s	5.4 s
0-100 km/h 0-62 mph	5.0 s	5.6 s
0-200 km/h 0-124 mph	16.3 s	17.5 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.3 s	2.5 s
330 ft 101 m	5.8 s	6.1 s
1/8 mile 201 m	8.6 s	9.0 s
1000 ft 305 m	11.0 s	11.5 s
1/4 mile 402 m	13.0 s	13.6 s
Trap speed 1/4 mile 402 m	181 km/h 112 mph	177 km/h 110 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	510 hp 380 kW
BMW5 Series Touring (E61)550i V8	367 hp 274 kW

Mercedes-Benz R-class (W251) AMG R 63 V8 has 143 hp more than BMW 5 Series Touring (E61) 550i V8.

The biggest power difference is between BMW 5 Series Touring (E61) 550i V8 and Mercedes-Benz R-class (W251) AMG R 63 V8: 143 hp (107 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	630 Nm 465 lb-ft
BMW5 Series Touring (E61)550i V8	490 Nm 361 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	2,330 kg 5,137 lb
BMW5 Series Touring (E61)550i V8	1,755 kg 3,869 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW5 Series Touring (E61)550i 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
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	5.0 s
BMW5 Series Touring (E61)550i V8	5.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz R-class (W251) AMG R 63 V8 and BMW 5 Series Touring (E61) 550i V8: 0.6 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzR-class (W251)AMG R 63 V8	219 hp/t 163 kW/t 4.6 kg/hp
BMW5 Series Touring (E61)550i V8	209 hp/t 156 kW/t 4.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
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
BMW5 Series Touring (E61)550i V8	367 hp 274 kW	5.6 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.

Vehicle

Performance score

Practicality score

Mercedes-BenzR-class (W251)AMG R 63 V8

Power	510 hp 380 kW
0-100 km/h	5.0 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

BMW5 Series Touring (E61)550i V8

Power	367 hp 274 kW
0-100 km/h	5.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

Detailed score breakdown

Vehicle

Mercedes-BenzR-class (W251)AMG R 63 V8

BMW5 Series Touring (E61)550i V8

Power

510 hp

380 kW

367 hp

274 kW

Torque

630 Nm

465 lb-ft

490 Nm

361 lb-ft

Acceleration

5.0 s

5.6 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,330 kg

5,137 lb

1,755 kg

3,869 lb

Fuel consumption

16.3 L/100 km

14.4 mpg US

17.3 mpg UK

Practicality

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

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

Range score

491 km

305 mi

Trunk score

433 L

15.3 cu ft

500 L

17.7 cu ft

Power-to-weight score

219 hp/t

163 kW/t

4.6 kg/hp

209 hp/t

156 kW/t

4.8 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz R-class (W251) AMG R 63 V8
Consumption	16.3 L/100 km14.4 mpg US17.3 mpg UK
Cost / 100 km	28.53 LC100 km
Cost / 100 mi	45.91 LC100 mi
Annual fuel used	2,445 L646 US gal538 UK gal
Annual fuel cost	4,279 LC/year