Mercedes-Benz R-class (W251)
Car comparison
Mercedes-Benz R-class (W251) R 500 V8vsMercedes-Benz R-class (W251) · Facelift 2010 R 350 V6
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz R-class (W251) · Facelift 2010
R 350 V6
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 V6
- Lightest2,105 kg4,641 lb
- Lowest combined fuel consumption11.9 L/100 km19.8 mpg US23.7 mpg UK
- Lowest city consumption16.1 L/100 km14.6 mpg US17.5 mpg UK
- Lowest highway consumption9.5 L/100 km24.8 mpg US29.7 mpg UK
- Best estimated range672 km418 mi
- Largest trunk550 L
- Best economy score75/100
- Best practicality score87/100
Mercedes-Benz R-class (W251) R 500 V8
- Quickest 0-100 km/h6.1 s
- Fastest top speed260 km/h162 mph Unrestricted250 km/h155 mph Restricted
- Most powerful388 hp289 kW
- Highest torque530 Nm391 lb-ft
- Best power-to-weight181 hp/t135 kW/t5.5 kg/hp
- Best overall score72/100
- Best performance score68/100
Specification comparison
| Model | Mercedes-BenzR-class (W251)R 500 V8 | Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 |
|---|---|---|
| Power | 388hp289kW | 272hp203kW |
| Torque | 530Nm391lb-ft | 350Nm258lb-ft |
| Curb weight | 2,145kg4,729lb | 2,105kg4,641lb |
| Gross weight | 2,880kg6,349lb | 2,840kg6,261lb |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated | 230 km/h 143 mph |
| To 99% top speed | 72.3s99% target: 257 km/h / 160 mph Calculated | 90.8s99% target: 228 km/h / 141 mph Calculated |
| 0-100 km/h | 6.1s | 8.3s |
| 0-200 km/h | 20.6s Calculated | 35.7s Calculated |
| 0-60 mph | 5.8s Calculated | 7.9s Calculated |
| Fuel consumption | 13.4L/100 km17.6mpg US21.1mpg UK | 11.9L/100 km19.8mpg US23.7mpg UK |
| Fuel consumption city | 18.8L/100 km12.5mpg US15.0mpg UK | 16.1L/100 km14.6mpg US17.5mpg UK |
| Fuel consumption highway | 10.2L/100 km23.1mpg US27.7mpg UK | 9.5L/100 km24.8mpg US29.7mpg UK |
| Quarter mile | 14.1s Calculated | 16.0s Calculated |
| Power-to-weight | 181hp/t135kW/t82hp/1000 lb Calculated | 129hp/t96kW/t59hp/1000 lb Calculated |
| Torque-to-weight | 247Nm/t165lb-ft/ton Calculated | 166Nm/t111lb-ft/ton Calculated |
| Estimated range | 597km371mi Calculated | 672km418mi Calculated |
| Displacement | 5,461cc333cu in | 3,498cc213cu in |
| Length | 4,938mm194in | 4,922mm194in |
| Width | 1,922mm76in | 1,922mm76in |
| Height | 1,661mm65in | 1,674mm66in |
| Wheelbase | 2,980mm117in | 2,980mm117in |
| Front track | 1,643mm65in | 1,661mm65in |
| Rear track | 1,636mm64in | 1,651mm65in |
| Trunk volume | 324L | 550L |
| Max trunk volume | 2,001L | 1,950L |
| Doors | 5 | 5 |
| Seats | 5 | 5 |
| Fuel tank | 80L | 80L |
| CO2 emissions | - | 279g/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.
- Mercedes-Benz R-class (W251) R 500 V8: Power / Torque
- Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 6,000 rpm | 2,800-4,800 rpm | 6,250 rpm |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 6,000 rpm | 2,400-5,000 rpm | 6,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzR-class (W251)R 500 V8 | Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.8 s | 7.9 s |
0-100 km/h 0-62 mph | 6.1 s | 8.3 s |
0-200 km/h 0-124 mph | 20.6 s | 35.7 s |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited | 230 km/h 143 mph |
| Drag race simulation | ||
60 ft 18 m | 2.4 s | 2.7 s |
330 ft 101 m | 6.3 s | 7.0 s |
1/8 mile 201 m | 9.3 s | 10.5 s |
1000 ft 305 m | 11.9 s | 13.5 s |
1/4 mile 402 m | 14.1 s | 16.0 s |
Trap speed 1/4 mile 402 m | 168 km/h 105 mph | 146 km/h 91 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 388 hp 289 kW |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 272 hp 203 kW |
Mercedes-Benz R-class (W251) R 500 V8 has 116 hp more than Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6.
The biggest power difference is between Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 and Mercedes-Benz R-class (W251) R 500 V8: 116 hp (87 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 530 Nm 391 lb-ft |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 350 Nm 258 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 2,145 kg 4,729 lb |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 2,105 kg 4,641 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 230 km/h 143 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 6.1 s |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 8.3 s |
The biggest 0-100 km/h difference is between Mercedes-Benz R-class (W251) R 500 V8 and Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6: 2.2 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 13.4 L/100 km 17.6 mpg US 21.1 mpg UK |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 and Mercedes-Benz R-class (W251) R 500 V8: 1.5 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 181 hp/t 135 kW/t 5.5 kg/hp |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 129 hp/t 96 kW/t 7.7 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 597 km 371 mi |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 672 km 418 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 388 hp 289 kW | 6.1 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 272 hp 203 kW | 8.3 s | 230 km/h 143 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)R 500 V8 |
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| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 |
| 13.4 L/100 km 17.6 mpg US 21.1 mpg UK | ||||||
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 |
| 11.9 L/100 km 19.8 mpg US 23.7 mpg UK | ||||||
Mercedes-Benz R-class (W251) R 500 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Mercedes-BenzR-class (W251)R 500 V8 | 13.4 L/100 km 17.6 mpg US 21.1 mpg UK | 6.1 s |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK | 8.3 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| 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 |
| Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | 129 hp/t 96 kW/t 7.7 kg/hp | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK |
Detailed score breakdown
| Vehicle | Mercedes-BenzR-class (W251)R 500 V8 | Mercedes-BenzR-class (W251)Facelift 2010R 350 V6 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 388 hp 289 kW | 272 hp 203 kW | ||||||||||||||||
| Torque | 530 Nm 391 lb-ft | 350 Nm 258 lb-ft | ||||||||||||||||
| Acceleration | 6.1 s | 8.3 s | ||||||||||||||||
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | 230 km/h 143 mph | ||||||||||||||||
| Lightness | 2,145 kg 4,729 lb | 2,105 kg 4,641 lb | ||||||||||||||||
| Fuel consumption | 13.4 L/100 km 17.6 mpg US 21.1 mpg UK | 11.9 L/100 km 19.8 mpg US 23.7 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 597 km 371 mi | 672 km 418 mi | ||||||||||||||||
| CO2 score | - | 279 g/km | ||||||||||||||||
| Trunk score | 324 L 11.4 cu ft | 550 L 19.4 cu ft | ||||||||||||||||
| Power-to-weight score | 181 hp/t 135 kW/t 5.5 kg/hp | 129 hp/t 96 kW/t 7.7 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
| Vehicle | Mercedes-Benz R-class (W251) R 500 V8 | Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6 |
|---|---|---|
| Consumption | 13.4 L/100 km17.6 mpg US21.1 mpg UK | 11.9 L/100 km19.8 mpg US23.7 mpg UK |
| Cost / 100 km | 23.45 LC100 km | 20.83 LC100 km |
| Cost / 100 mi | 37.74 LC100 mi | 33.51 LC100 mi |
| Annual fuel used | 2,010 L531 US gal442 UK gal | 1,785 L472 US gal393 UK gal |
| Annual fuel cost | 3,518 LC/year | 3,124 LC/year |
Head-to-head comparisons
Mercedes-Benz R-class (W251) R 500 V8
- Has 116 hp more
- Has 180 Nm more
- Is 2.2 s quicker from 0-100 km/h
- Has 30 km/h (19 mph) higher top speed
- Has 52 hp/t better power-to-weight
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Best power-to-weight ratio
Cons
- Highest combined fuel consumption
- Heaviest
- Smallest trunk
Mercedes-Benz R-class (W251) Facelift 2010 R 350 V6
- Is 40 kg lighter
- Uses 1.5 L/100 km less fuel
- Has 75 km (47 mi) more estimated range
- Has 226 L more trunk volume
Pros
- Lightest
- Lowest combined fuel consumption
- Best estimated range
- Largest trunk
Cons
- Slowest 0-100 km/h
- Lowest power
- Lowest top speed
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