Comparison Mercedes-Benz R-class (W251) R 280 V6 (231 Hp) G-TRONIC & Cadillac ATS Sedan 3.6 V6 (325 Hp) Automatic
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| Brand: | Mercedes-Benz | Cadillac |
| Model: | R-class | ATS |
| Generation: | R-class (W251) | ATS Sedan |
| Engine / modification: | R 280 V6 (231 Hp) G-TRONIC | 3.6 V6 (325 Hp) Automatic |
| Production start: | 2007 year | 2013 year |
| Production end: | 2009 year | |
| Coupe type: | Combi | Sedan |
| Num. of Doors: | 5 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 13.1 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.4 l/100 km | |
| Fuel consumption / economy - combined: | 10.9 l/100 km | 10.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.30 | |
| Fuel tank volume: | 80 l | 60.5 l |
| Emission standard: | Euro 5 | |
| CO2 emissions: | 260 g/km | |
| Power: | 231 hp | 325 hp |
| Max power in: | 6000 rpm. | 6800 rpm. |
| Maximum speed: | 222 km/h | |
| Acceleration from 0 to 100 km/h: | 9.6 sec | |
| Torque: | 300 Nm @ 2500-5000 rpm. | 373 Nm @ 4800 rpm. |
| Model Engine: | M 272.945 | LFX |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2996 cm3 | 3564 cm3 |
| Engine oil capacity: | 8 l | 5.7 l |
| Coolant: | 10.1-13 l | 10.2 l |
| Fuel System: | Multi-point injection | Direct injection |
| Maximum engine speed: | 7200 rpm. | |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC-VVT | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | |
| Compression ratio: | 11.3 | 11.5 |
| Piston Stroke: | 85.6 mm | |
| Cylinder Bore: | 94 mm | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7G-TRONIC | 6 Hydra-Matic |
| Length: | 4922 mm | 4643 mm |
| Width: | 1922 mm | 1805 mm |
| Height: | 1674 mm | 1421 mm |
| Wheelbase: | 2980 mm | 2775 mm |
| Front track: | 1661 mm | 1512 mm |
| Rear (Back) track: | 1651 mm | 1548 mm |
| Minimum volume of Luggage (trunk): | 550 l | 294 l |
| Maximum amount of Luggage (trunk): | 1950 l | |
| Front suspension: | Double wishbone | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Independent, spring multi-link with stabilizer | Multi-link independent |
| Max weight: | 2790 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 2130 kg | 1570 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 11.8 m | 10.97 m |
| Permitted trailer load with brakes (12%): | 2100 kg | |
| Permitted trailer load without brakes: | 750 kg | 454 kg |
| Tire size: | 255/55 R18 | 225/45 R17; 225/40 R18 |
| Wheel rims size: | R18 | 8J x 17; 8J x 18; 9J x 18 |