Mercedes-Benz SL (R129)
Car comparison
Mercedes-Benz SL (R129) SL 600 V12vsMercedes-Benz SLK (R170) SLK 230 Kompressor
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz SLK (R170)
SLK 230 Kompressor
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz SL (R129) SL 600 V12
- Quickest 0-100 km/h6.1 s
- Fastest top speed270 km/h168 mph Unrestricted250 km/h155 mph Restricted
- Most powerful394 hp294 kW
- Highest torque570 Nm420 lb-ft
- Best power-to-weight199 hp/t148 kW/t5.0 kg/hp
- Best estimated range606 km377 mi
- Largest trunk265 L
- Best overall score58/100
- Best performance score71/100
- Best practicality score31/100
Mercedes-Benz SLK (R170) SLK 230 Kompressor
- Lightest1,250 kg2,756 lb
- Lowest combined fuel consumption9.3 L/100 km25.3 mpg US30.4 mpg UK
- Lowest city consumption13.3 L/100 km17.7 mpg US21.2 mpg UK
- Lowest highway consumption7.0 L/100 km33.6 mpg US40.4 mpg UK
- Best economy score82/100
Specification comparison
| Model | Mercedes-BenzSL (R129)SL 600 V12 | Mercedes-BenzSLK (R170)SLK 230 Kompressor |
|---|---|---|
| Power | 394hp294kW | 193hp144kW |
| Torque | 570Nm420lb-ft | 280Nm207lb-ft |
| Curb weight | 1,980kg4,365lb | 1,250kg2,756lb |
| Gross weight | 2,320kg5,115lb | 1,585kg3,494lb |
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated | 231 km/h 144 mph |
| To 99% top speed | 86.2s99% target: 267 km/h / 166 mph Calculated | 80.3s99% target: 229 km/h / 142 mph Calculated |
| 0-100 km/h | 6.1s | 7.4s |
| 0-200 km/h | 21.0s Calculated | 31.2s Calculated |
| 0-60 mph | 5.8s Calculated | 7.0s Calculated |
| Fuel consumption | 13.2L/100 km17.8mpg US21.4mpg UK | 9.3L/100 km25.3mpg US30.4mpg UK |
| Fuel consumption city | 20.2L/100 km11.6mpg US14.0mpg UK | 13.3L/100 km17.7mpg US21.2mpg UK |
| Fuel consumption highway | 11.3L/100 km20.8mpg US25.0mpg UK | 7L/100 km33.6mpg US40.4mpg UK |
| Quarter mile | 14.1s Calculated | 15.3s Calculated |
| Power-to-weight | 199hp/t148kW/t90hp/1000 lb Calculated | 154hp/t115kW/t70hp/1000 lb Calculated |
| Torque-to-weight | 288Nm/t193lb-ft/ton Calculated | 224Nm/t150lb-ft/ton Calculated |
| Estimated range | 606km377mi Calculated | 570km354mi Calculated |
| Displacement | 5,987cc365cu in | 2,295cc140cu in |
| Length | 4,470mm176in | 3,995mm157in |
| Width | 1,812mm71in | 1,715mm68in |
| Height | 1,296mm51in | 1,284mm51in |
| Wheelbase | 2,515mm99in | 2,400mm94in |
| Front track | 1,532mm60in | 1,488mm59in |
| Rear track | 1,521mm60in | 1,485mm58in |
| Trunk volume | 265L | 145L |
| Max trunk volume | - | 348L |
| Doors | 2 | 2 |
| Seats | 2 | 2 |
| Fuel tank | 80L | 53L |
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 (R129) SL 600 V12: Power / Torque
- Mercedes-Benz SLK (R170) SLK 230 Kompressor: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 5,200 rpm | 3,800 rpm | 5,450 rpm |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 5,300 rpm | 2,500-4,800 rpm | 5,550 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzSL (R129)SL 600 V12 | Mercedes-BenzSLK (R170)SLK 230 Kompressor |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.8 s | 7.0 s |
0-100 km/h 0-62 mph | 6.1 s | 7.4 s |
0-200 km/h 0-124 mph | 21.0 s | 31.2 s |
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Limited | 231 km/h 144 mph |
| Drag race simulation | ||
60 ft 18 m | 2.4 s | 2.6 s |
330 ft 101 m | 6.2 s | 6.7 s |
1/8 mile 201 m | 9.3 s | 10.1 s |
1000 ft 305 m | 11.9 s | 12.9 s |
1/4 mile 402 m | 14.1 s | 15.3 s |
Trap speed 1/4 mile 402 m | 167 km/h 103 mph | 152 km/h 95 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 394 hp 294 kW |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 193 hp 144 kW |
Mercedes-Benz SL (R129) SL 600 V12 has 201 hp more than Mercedes-Benz SLK (R170) SLK 230 Kompressor.
The biggest power difference is between Mercedes-Benz SLK (R170) SLK 230 Kompressor and Mercedes-Benz SL (R129) SL 600 V12: 201 hp (150 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 570 Nm 420 lb-ft |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 280 Nm 207 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 1,980 kg 4,365 lb |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 1,250 kg 2,756 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 231 km/h 144 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 6.1 s |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 7.4 s |
The biggest 0-100 km/h difference is between Mercedes-Benz SL (R129) SL 600 V12 and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 1.3 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz SLK (R170) SLK 230 Kompressor and Mercedes-Benz SL (R129) SL 600 V12: 3.9 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 (R129)SL 600 V12 | 199 hp/t 148 kW/t 5.0 kg/hp |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 154 hp/t 115 kW/t 6.5 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 606 km 377 mi |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 570 km 354 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzSL (R129)SL 600 V12 | 394 hp 294 kW | 6.1 s | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 193 hp 144 kW | 7.4 s | 231 km/h 144 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 (R129)SL 600 V12 |
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| Mercedes-BenzSLK (R170)SLK 230 Kompressor |
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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 (R129)SL 600 V12 |
| 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | ||||||
| Mercedes-BenzSLK (R170)SLK 230 Kompressor |
| 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | ||||||
Mercedes-Benz SL (R129) SL 600 V12 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 (R129)SL 600 V12 | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | 6.1 s |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | 7.4 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 (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 |
| Mercedes-BenzSLK (R170)SLK 230 Kompressor | 154 hp/t 115 kW/t 6.5 kg/hp | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK |
Detailed score breakdown
| Vehicle | Mercedes-BenzSL (R129)SL 600 V12 | Mercedes-BenzSLK (R170)SLK 230 Kompressor | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 394 hp 294 kW | 193 hp 144 kW | ||||||||||||||||
| Torque | 570 Nm 420 lb-ft | 280 Nm 207 lb-ft | ||||||||||||||||
| Acceleration | 6.1 s | 7.4 s | ||||||||||||||||
| Top speed | Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph | 231 km/h 144 mph | ||||||||||||||||
| Lightness | 1,980 kg 4,365 lb | 1,250 kg 2,756 lb | ||||||||||||||||
| Fuel consumption | 13.2 L/100 km 17.8 mpg US 21.4 mpg UK | 9.3 L/100 km 25.3 mpg US 30.4 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 606 km 377 mi | 570 km 354 mi | ||||||||||||||||
| Trunk score | 265 L 9.4 cu ft | 145 L 5.1 cu ft | ||||||||||||||||
| Power-to-weight score | 199 hp/t 148 kW/t 5.0 kg/hp | 154 hp/t 115 kW/t 6.5 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
| Vehicle | Mercedes-Benz SL (R129) SL 600 V12 | Mercedes-Benz SLK (R170) SLK 230 Kompressor |
|---|---|---|
| Consumption | 13.2 L/100 km17.8 mpg US21.4 mpg UK | 9.3 L/100 km25.3 mpg US30.4 mpg UK |
| Cost / 100 km | 23.10 LC100 km | 16.28 LC100 km |
| Cost / 100 mi | 37.18 LC100 mi | 26.19 LC100 mi |
| Annual fuel used | 1,980 L523 US gal436 UK gal | 1,395 L369 US gal307 UK gal |
| Annual fuel cost | 3,465 LC/year | 2,441 LC/year |
Head-to-head comparisons
Mercedes-Benz SL (R129) SL 600 V12
- Has 201 hp more
- Has 290 Nm more
- Is 1.3 s quicker from 0-100 km/h
- Has 39 km/h (24 mph) higher top speed
- Has 45 hp/t better power-to-weight
- Has 36 km (22 mi) more estimated range
- Has 120 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
- Best power-to-weight ratio
- Best estimated range
- Largest trunk
Cons
- Highest combined fuel consumption
- Heaviest
Mercedes-Benz SLK (R170) SLK 230 Kompressor
- Is 730 kg lighter
- Uses 3.9 L/100 km less fuel
Pros
- Lightest
- Lowest combined fuel consumption
Cons
- Slowest 0-100 km/h
- Lowest power
- Lowest top speed
- Smallest trunk
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