Mercedes-Benz SL (R231) · Facelift 2016
Car comparison
Mercedes-Benz SL (R231) · Facelift 2016 SL 400 V6vsMercedes-Benz SL (R129) SL 600 V12
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz SL (R129)
SL 600 V12
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6
- Quickest 0-100 km/h4.9 s
- Fastest top speed270 km/h168 mph Unrestricted250 km/h155 mph Restricted
- Lightest1,660 kg3,660 lb
- Best power-to-weight221 hp/t165 kW/t4.5 kg/hp
- Lowest combined fuel consumption8.6 L/100 km27.4 mpg US32.8 mpg UK
- Lowest city consumption11.1 L/100 km21.2 mpg US25.4 mpg UK
- Lowest highway consumption7.1 L/100 km33.1 mpg US39.8 mpg UK
- Best estimated range872 km542 mi
- Largest trunk364 L
- Best overall score61/100
- Best performance score73/100
- Best economy score84/100
- Best practicality score35/100
Mercedes-Benz SL (R129) SL 600 V12
- Most powerful394 hp294 kW
- Highest torque570 Nm420 lb-ft
Specification comparison
| Model | Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | Mercedes-BenzSL (R129)SL 600 V12 |
|---|---|---|
| Power | 367hp274kW | 394hp294kW |
| Torque | 500Nm369lb-ft | 570Nm420lb-ft |
| Curb weight | 1,660kg3,660lb | 1,980kg4,365lb |
| Gross weight | 2,115kg4,663lb | 2,320kg5,115lb |
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 66.2s99% target: 267 km/h / 166 mph Calculated | 86.2s99% target: 267 km/h / 166 mph Calculated |
| 0-100 km/h | 4.9s | 6.1s |
| 0-200 km/h | 16.5s Calculated | 21.0s Calculated |
| 0-60 mph | 4.7s Calculated | 5.8s Calculated |
| Fuel consumption | 8.6L/100 km27.4mpg US32.8mpg UK | 13.2L/100 km17.8mpg US21.4mpg UK |
| Fuel consumption city | 11.1L/100 km21.2mpg US25.4mpg UK | 20.2L/100 km11.6mpg US14.0mpg UK |
| Fuel consumption highway | 7.1L/100 km33.1mpg US39.8mpg UK | 11.3L/100 km20.8mpg US25.0mpg UK |
| Quarter mile | 13.0s Calculated | 14.1s Calculated |
| Power-to-weight | 221hp/t165kW/t100hp/1000 lb Calculated | 199hp/t148kW/t90hp/1000 lb Calculated |
| Torque-to-weight | 301Nm/t202lb-ft/ton Calculated | 288Nm/t193lb-ft/ton Calculated |
| Estimated range | 872km542mi Calculated | 606km377mi Calculated |
| Displacement | 2,996cc183cu in | 5,987cc365cu in |
| Length | 4,631mm182in | 4,470mm176in |
| Width | 1,877mm74in | 1,812mm71in |
| Height | 1,315mm52in | 1,296mm51in |
| Wheelbase | 2,585mm102in | 2,515mm99in |
| Front track | 1,600mm63in | 1,532mm60in |
| Rear track | 1,604mm63in | 1,521mm60in |
| Trunk volume | 364L | 265L |
| Max trunk volume | 485L | - |
| Doors | 2 | 2 |
| Seats | 2 | 2 |
| Fuel tank | 75L | 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.
- Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: Power / Torque
- Mercedes-Benz SL (R129) SL 600 V12: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 5,500-6,000 rpm | 2,000-4,200 rpm | 6,300 rpm |
| Mercedes-BenzSL (R129)SL 600 V12 | 5,200 rpm | 3,800 rpm | 5,450 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | Mercedes-BenzSL (R129)SL 600 V12 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.7 s | 5.8 s |
0-100 km/h 0-62 mph | 4.9 s | 6.1 s |
0-200 km/h 0-124 mph | 16.5 s | 21.0 s |
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Limited | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Limited |
| Drag race simulation | ||
60 ft 18 m | 2.2 s | 2.4 s |
330 ft 101 m | 5.7 s | 6.2 s |
1/8 mile 201 m | 8.5 s | 9.3 s |
1000 ft 305 m | 10.9 s | 11.9 s |
1/4 mile 402 m | 13.0 s | 14.1 s |
Trap speed 1/4 mile 402 m | 179 km/h 112 mph | 167 km/h 103 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 367 hp 274 kW |
| Mercedes-BenzSL (R129)SL 600 V12 | 394 hp 294 kW |
Mercedes-Benz SL (R129) SL 600 V12 has 27 hp more than Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6.
The biggest power difference is between Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 and Mercedes-Benz SL (R129) SL 600 V12: 27 hp (20 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 500 Nm 369 lb-ft |
| Mercedes-BenzSL (R129)SL 600 V12 | 570 Nm 420 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 1,660 kg 3,660 lb |
| Mercedes-BenzSL (R129)SL 600 V12 | 1,980 kg 4,365 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSL (R129)SL 600 V12 | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 4.9 s |
| Mercedes-BenzSL (R129)SL 600 V12 | 6.1 s |
Although Mercedes-Benz SL (R129) SL 600 V12 has more power, Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 and Mercedes-Benz SL (R129) SL 600 V12: 1.2 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 8.6 L/100 km 27.4 mpg US 32.8 mpg UK |
| Mercedes-BenzSL (R129)SL 600 V12 | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 and Mercedes-Benz SL (R129) SL 600 V12: 4.6 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 221 hp/t 165 kW/t 4.5 kg/hp |
| Mercedes-BenzSL (R129)SL 600 V12 | 199 hp/t 148 kW/t 5.0 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 872 km 542 mi |
| Mercedes-BenzSL (R129)SL 600 V12 | 606 km 377 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 367 hp 274 kW | 4.9 s | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSL (R129)SL 600 V12 | 394 hp 294 kW | 6.1 s | Unrestricted 270 km/h168 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-BenzSL (R231)Facelift 2016SL 400 V6 |
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| Mercedes-BenzSL (R129)SL 600 V12 |
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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-BenzSL (R231)Facelift 2016SL 400 V6 |
| 8.6 L/100 km 27.4 mpg US 32.8 mpg UK | ||||||
| Mercedes-BenzSL (R129)SL 600 V12 |
| 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | ||||||
Mercedes-Benz SL (R231) Facelift 2016 SL 400 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.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | 8.6 L/100 km 27.4 mpg US 32.8 mpg UK | 4.9 s |
| Mercedes-BenzSL (R129)SL 600 V12 | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | 6.1 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-BenzSL (R231)Facelift 2016SL 400 V6 | 221 hp/t 165 kW/t 4.5 kg/hp | 8.6 L/100 km 27.4 mpg US 32.8 mpg UK |
| Mercedes-BenzSL (R129)SL 600 V12 | 199 hp/t 148 kW/t 5.0 kg/hp | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK |
Detailed score breakdown
| Vehicle | Mercedes-BenzSL (R231)Facelift 2016SL 400 V6 | Mercedes-BenzSL (R129)SL 600 V12 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 367 hp 274 kW | 394 hp 294 kW | ||||||||||||||||
| Torque | 500 Nm 369 lb-ft | 570 Nm 420 lb-ft | ||||||||||||||||
| Acceleration | 4.9 s | 6.1 s | ||||||||||||||||
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,660 kg 3,660 lb | 1,980 kg 4,365 lb | ||||||||||||||||
| Fuel consumption | 8.6 L/100 km 27.4 mpg US 32.8 mpg UK | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 872 km 542 mi | 606 km 377 mi | ||||||||||||||||
| Trunk score | 364 L 12.9 cu ft | 265 L 9.4 cu ft | ||||||||||||||||
| Power-to-weight score | 221 hp/t 165 kW/t 4.5 kg/hp | 199 hp/t 148 kW/t 5.0 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 SL (R231) Facelift 2016 SL 400 V6 | Mercedes-Benz SL (R129) SL 600 V12 |
|---|---|---|
| Consumption | 8.6 L/100 km27.4 mpg US32.8 mpg UK | 13.2 L/100 km17.8 mpg US21.4 mpg UK |
| Cost / 100 km | 15.05 LC100 km | 23.10 LC100 km |
| Cost / 100 mi | 24.22 LC100 mi | 37.18 LC100 mi |
| Annual fuel used | 1,290 L341 US gal284 UK gal | 1,980 L523 US gal436 UK gal |
| Annual fuel cost | 2,258 LC/year | 3,465 LC/year |
Head-to-head comparisons
Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6
- Is 320 kg lighter
- Is 1.2 s quicker from 0-100 km/h
- Uses 4.6 L/100 km less fuel
- Has 22 hp/t better power-to-weight
- Has 266 km (165 mi) more estimated range
- Has 99 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Lightest
- Lowest combined fuel consumption
- Best power-to-weight ratio
- Best estimated range
- Largest trunk
Cons
- Lowest power
Mercedes-Benz SL (R129) SL 600 V12
- Has 27 hp more
- Has 70 Nm more
Pros
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Heaviest
- Smallest trunk
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