Mercedes-Benz SLK (R171)
Car comparison
Mercedes-Benz SLK (R171) SLK 350 V6vsMercedes-Benz SLK (R172) SLK 200 1.8
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonMercedes-Benz SLK (R172)
SLK 200 1.8
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz SLK (R171) SLK 350 V6
- Quickest 0-100 km/h5.6 s
- Fastest top speed260 km/h162 mph Unrestricted250 km/h155 mph Restricted
- Most powerful272 hp203 kW
- Highest torque350 Nm258 lb-ft
- Best power-to-weight196 hp/t146 kW/t5.1 kg/hp
- Best overall score52/100
- Best performance score63/100
- Best practicality score29/100
Mercedes-Benz SLK (R172) SLK 200 1.8
- Lightest1,360 kg2,998 lb
- Lowest combined fuel consumption6.5 L/100 km36.2 mpg US43.5 mpg UK
- Lowest city consumption8.6 L/100 km27.4 mpg US32.8 mpg UK
- Lowest highway consumption5.3 L/100 km44.4 mpg US53.3 mpg UK
- Best estimated range923 km574 mi
- Largest trunk225 L
- Best economy score89/100
Specification comparison
| Model | Mercedes-BenzSLK (R171)SLK 350 V6 | Mercedes-BenzSLK (R172)SLK 200 1.8 |
|---|---|---|
| Power | 272hp203kW | 184hp137kW |
| Torque | 350Nm258lb-ft | 270Nm199lb-ft |
| Curb weight | 1,390kg3,064lb | 1,360kg2,998lb |
| Gross weight | 1,780kg3,924lb | 1,750kg3,858lb |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated | 237 km/h 147 mph |
| To 99% top speed | 70.5s99% target: 257 km/h / 160 mph Calculated | 80.8s99% target: 235 km/h / 146 mph Calculated |
| 0-100 km/h | 5.6s | 7.0s |
| 0-200 km/h | 19.4s Calculated | 28.5s Calculated |
| 0-60 mph | 5.3s Calculated | 6.6s Calculated |
| Fuel consumption | 10.6L/100 km22.2mpg US26.6mpg UK | 6.5L/100 km36.2mpg US43.5mpg UK |
| Fuel consumption city | 15.5L/100 km15.2mpg US18.2mpg UK | 8.6L/100 km27.4mpg US32.8mpg UK |
| Fuel consumption highway | 7.8L/100 km30.2mpg US36.2mpg UK | 5.3L/100 km44.4mpg US53.3mpg UK |
| Quarter mile | 13.7s Calculated | 15.0s Calculated |
| Power-to-weight | 196hp/t146kW/t89hp/1000 lb Calculated | 135hp/t101kW/t61hp/1000 lb Calculated |
| Torque-to-weight | 252Nm/t168lb-ft/ton Calculated | 199Nm/t133lb-ft/ton Calculated |
| Estimated range | 660km410mi Calculated | 923km574mi Calculated |
| Displacement | 3,498cc213cu in | 1,796cc110cu in |
| Length | 4,089mm161in | 4,134mm163in |
| Width | 1,788mm70in | 1,810mm71in |
| Height | 1,298mm51in | 1,301mm51in |
| Wheelbase | 2,430mm96in | 2,430mm96in |
| Front track | 1,526mm60in | 1,559mm61in |
| Rear track | 1,549mm61in | 1,565mm62in |
| Trunk volume | 208L | 225L |
| Max trunk volume | - | 335L |
| Doors | 2 | 2 |
| Seats | 2 | 2 |
| Fuel tank | 70L | 60L |
| CO2 emissions | - | 151g/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 SLK (R171) SLK 350 V6: Power / Torque
- Mercedes-Benz SLK (R172) SLK 200 1.8: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 6,000 rpm | 2,400-5,000 rpm | 6,250 rpm |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 5,250 rpm | 1,800-4,600 rpm | 5,500 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzSLK (R171)SLK 350 V6 | Mercedes-BenzSLK (R172)SLK 200 1.8 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.3 s | 6.6 s |
0-100 km/h 0-62 mph | 5.6 s | 7.0 s |
0-200 km/h 0-124 mph | 19.4 s | 28.5 s |
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited | 237 km/h 147 mph |
| Drag race simulation | ||
60 ft 18 m | 2.3 s | 2.5 s |
330 ft 101 m | 6.0 s | 6.6 s |
1/8 mile 201 m | 9.0 s | 9.8 s |
1000 ft 305 m | 11.6 s | 12.6 s |
1/4 mile 402 m | 13.7 s | 15.0 s |
Trap speed 1/4 mile 402 m | 171 km/h 106 mph | 155 km/h 96 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 272 hp 203 kW |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 184 hp 137 kW |
Mercedes-Benz SLK (R171) SLK 350 V6 has 88 hp more than Mercedes-Benz SLK (R172) SLK 200 1.8.
The biggest power difference is between Mercedes-Benz SLK (R172) SLK 200 1.8 and Mercedes-Benz SLK (R171) SLK 350 V6: 88 hp (66 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 350 Nm 258 lb-ft |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 270 Nm 199 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 1,390 kg 3,064 lb |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 1,360 kg 2,998 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 237 km/h 147 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 5.6 s |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 7.0 s |
The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R171) SLK 350 V6 and Mercedes-Benz SLK (R172) SLK 200 1.8: 1.4 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 10.6 L/100 km 22.2 mpg US 26.6 mpg UK |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 6.5 L/100 km 36.2 mpg US 43.5 mpg UK |
The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 200 1.8 and Mercedes-Benz SLK (R171) SLK 350 V6: 4.1 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 196 hp/t 146 kW/t 5.1 kg/hp |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 135 hp/t 101 kW/t 7.4 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 660 km 410 mi |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 923 km 574 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzSLK (R171)SLK 350 V6 | 272 hp 203 kW | 5.6 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 184 hp 137 kW | 7.0 s | 237 km/h 147 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-BenzSLK (R171)SLK 350 V6 |
|
| ||||||||||||||
| Mercedes-BenzSLK (R172)SLK 200 1.8 |
|
| ||||||||||||||
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-BenzSLK (R171)SLK 350 V6 |
| 10.6 L/100 km 22.2 mpg US 26.6 mpg UK | ||||||
| Mercedes-BenzSLK (R172)SLK 200 1.8 |
| 6.5 L/100 km 36.2 mpg US 43.5 mpg UK | ||||||
Mercedes-Benz SLK (R171) SLK 350 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-BenzSLK (R171)SLK 350 V6 | 10.6 L/100 km 22.2 mpg US 26.6 mpg UK | 5.6 s |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 6.5 L/100 km 36.2 mpg US 43.5 mpg UK | 7.0 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-BenzSLK (R171)SLK 350 V6 | 196 hp/t 146 kW/t 5.1 kg/hp | 10.6 L/100 km 22.2 mpg US 26.6 mpg UK |
| Mercedes-BenzSLK (R172)SLK 200 1.8 | 135 hp/t 101 kW/t 7.4 kg/hp | 6.5 L/100 km 36.2 mpg US 43.5 mpg UK |
Detailed score breakdown
| Vehicle | Mercedes-BenzSLK (R171)SLK 350 V6 | Mercedes-BenzSLK (R172)SLK 200 1.8 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 272 hp 203 kW | 184 hp 137 kW | ||||||||||||||||
| Torque | 350 Nm 258 lb-ft | 270 Nm 199 lb-ft | ||||||||||||||||
| Acceleration | 5.6 s | 7.0 s | ||||||||||||||||
| Top speed | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | 237 km/h 147 mph | ||||||||||||||||
| Lightness | 1,390 kg 3,064 lb | 1,360 kg 2,998 lb | ||||||||||||||||
| Fuel consumption | 10.6 L/100 km 22.2 mpg US 26.6 mpg UK | 6.5 L/100 km 36.2 mpg US 43.5 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 660 km 410 mi | 923 km 574 mi | ||||||||||||||||
| CO2 score | - | 151 g/km | ||||||||||||||||
| Trunk score | 208 L 7.3 cu ft | 225 L 7.9 cu ft | ||||||||||||||||
| Power-to-weight score | 196 hp/t 146 kW/t 5.1 kg/hp | 135 hp/t 101 kW/t 7.4 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 SLK (R171) SLK 350 V6 | Mercedes-Benz SLK (R172) SLK 200 1.8 |
|---|---|---|
| Consumption | 10.6 L/100 km22.2 mpg US26.6 mpg UK | 6.5 L/100 km36.2 mpg US43.5 mpg UK |
| Cost / 100 km | 18.55 LC100 km | 11.38 LC100 km |
| Cost / 100 mi | 29.85 LC100 mi | 18.31 LC100 mi |
| Annual fuel used | 1,590 L420 US gal350 UK gal | 975 L258 US gal214 UK gal |
| Annual fuel cost | 2,783 LC/year | 1,706 LC/year |
Head-to-head comparisons
Mercedes-Benz SLK (R171) SLK 350 V6
- Has 88 hp more
- Has 80 Nm more
- Is 1.4 s quicker from 0-100 km/h
- Has 23 km/h (14 mph) higher top speed
- Has 60 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 SLK (R172) SLK 200 1.8
- Is 30 kg lighter
- Uses 4.1 L/100 km less fuel
- Has 263 km (163 mi) more estimated range
- Has 17 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
Choose cars to compare
Popular comparisons























