Comparison Mercedes-Benz R-class (W251, facelift 2010) Long R 300 V6 (232 Hp) G-TRONIC & Opel Astra K Sports Tourer 1.6 CDTi (110 Hp) ecoFLEX start&stop & Mercedes-Benz C-class Sport Coupe (CL203, facelift 2004) C 230 (204 Hp)
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| Brand: | Mercedes-Benz | Opel | Mercedes-Benz |
| Model: | R-class | Astra | C-class |
| Generation: | R-class (W251, facelift 2010) Long | Astra K Sports Tourer | C-class Sport Coupe (CL203, facelift 2004) |
| Engine / modification: | R 300 V6 (232 Hp) G-TRONIC | 1.6 CDTi (110 Hp) ecoFLEX start&stop | C 230 (204 Hp) |
| Production start: | 2010 year | 2015 year | 2005 year |
| Production end: | 2014 year | 2008 year | |
| Coupe type: | Combi | Combi | Coupe |
| Num. of Doors: | 5 | 5 | 3 |
| Num. of seats: | 5-7 | 5 | 4 |
| Fuel consumption / economy - urban: | 14.1 l/100 km | 4.0 l/100 km | 13.5 l/100 km |
| Fuel consumption / economy - extra urban: | 8.6-8.9 l/100 km | 3.2 - 3.3 l/100 km | 6.8 l/100 km |
| Fuel consumption / economy - combined: | 10.6-10.8 l/100 km | 3.5 - 3.6 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | ||
| Fuel tank volume: | 80 l | 48 l | 62 l |
| Emission standard: | EURO V | EURO VI | Euro 4 |
| CO2 emissions: | 248-253 g/km | 95 - 92 g/km | |
| Power: | 232 hp | 110 hp | 204 hp |
| Max power in: | 6000 rpm. | 3500 rpm. | 6100 rpm. |
| Maximum speed: | 222 km/h | 195 km/h | 241 km/h |
| Acceleration from 0 to 100 km/h: | 9.7 sec | 11.4 sec | 8.4 sec |
| Torque: | 300 Nm @ 2500-5000 rpm. | 300 Nm/1750-2000 rpm. | 245 Nm @ 2900-5500 rpm. |
| Model Engine: | M 272.920 | ||
| Engine position: | Front, longitudinal | Front, transverse | Front, longitudinal |
| Engine displacement: | 2996 cm3 | 1598 cm3 | 2496 cm3 |
| Engine oil capacity: | 8 l | ||
| Coolant: | 7 l | ||
| Fuel System: | Multi-point injection | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | ||
| Position of cylinders: | V engine | Inline | V engine |
| Valvetrain: | DOHC | ||
| Number of cylinders: | 6 | 4 | 6 |
| Number of valves per cylinder: | 4 | 4 | |
| Compression ratio: | 11.3 | 16 | 11.2 |
| Piston Stroke: | 80.1 mm | 68.4 mm | |
| Cylinder Bore: | 79.7 mm | 88 mm | |
| Wheel Drive: | Rear wheel drive | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7G-TRONIC | 7 | |
| Number of Gears (manual transmission): | 6 | 6 | |
| Length: | 5157 mm | 4702 mm | 4343 mm |
| Width: | 1922 mm | 1809 mm | 1728 mm |
| Width with mirrors folded: | 1871 mm | ||
| Width including mirrors: | 2183 mm | 2042 mm | 1960 mm |
| Height: | 1674 mm | 1499 mm | 1406 mm |
| Wheelbase: | 3215 mm | 2662 mm | 2715 mm |
| Front track: | 1661 mm | 1548 mm | 1505 mm |
| Rear (Back) track: | 1651 mm | 1565 mm | 1476 mm |
| Front overhang: | 922 mm | 788 mm | |
| Rear overhang: | 1020 mm | 840 mm | |
| Minimum volume of Luggage (trunk): | 633 l | 540 l | 310 l |
| Maximum amount of Luggage (trunk): | 2385 l | 1630 l | 1100 l |
| Front suspension: | Double wishbone | Wishbone | |
| Rear suspension: | Independent, spring multi-link with stabilizer | Helical spring | |
| Max weight: | 2840 kg | 1940 kg | 1985 kg |
| Front brakes: | Disc | Disc | Ventilated discs |
| Rear brakes: | Disc | Disc | Disc |
| Kerb Weight: | 2100 kg | 1328 kg | 1440 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | ||
| Max. roof load: | 100 kg | 75 kg | 100 kg |
| Minimum turning circle (turning diameter): | 11.05 m | 10.76 m | |
| Permitted trailer load with brakes (12%): | 2100 kg | 1403 kg | 1500 kg |
| Permitted trailer load without brakes: | 750 kg | 680 kg | 740 kg |
| Permitted towbar download: | 75 kg | ||
| Tire size: | 255/55 R18 | 205/55 R16; 225/45 R17 | 205/55 R 16 |
| Wheel rims size: | R18 | 6.5J x 16; 7.5J x 17 | 7 J x 16 H 2 |