| Attribute |
Mercedes-Benz S-class (W221, facelift 2009) S 350 CDI BlueEFFICIENCY G - TRONIC × | 
Infiniti Q70 3.0D V6 × |
| General | | |
| Make | Mercedes-Benz | Infiniti |
| Model | S-class | Q70 |
| Generation | S-class (W221, facelift 2009) | Q70 |
| Modification | S 350 CDI BlueEFFICIENCY G - TRONIC | 3.0D V6 |
| Website | https://www.mercedes-benz.com/ | https://www.infinitiusa.com/ |
| Number of doors | 4 | 4 |
| Number of seats | 5 | 5 |
| Body type | Sedan | Sedan |
| Transmission | automatic g-tronic | automatic |
| Number of gears | 7 | 7 |
| Production from (year) | 2009 | 2014 |
| Production to (year) | 2010 | 2015 |
| Performance | | |
| Top speed (km/h) | 250 | 250 |
| Acceleration 0-100 km/h (s) | 7.8 | 6.9 |
| City consumption (l/100km) | 10.4 | 10.3 |
| Extra-urban consumption (l/100km) | 5.9 | 5.9 |
| Combined consumption (l/100km) | 7.6 | 7.5 |
| CO2 emissions (g/km) | 199 | 199 |
| Emission standard | - | EURO V |
| Drive | | |
| Drive | Rear wheel drive | Rear wheel drive |
| Engine type | Fuel engine | Fuel engine |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 235 | 238 |
| Max. torque (Nm) | 540 | 550 |
| Fuel Engine | | |
| Number of cylinders | 6 | 6 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | - |
| Engine displacement (cm³) | 2,987 | 2,993 |
| Compression ratio | 17.7 | 16 |
| Max. power @ rpm (rpm) | 3,600 | 3,750 |
| Max. torque @ rpm (rpm) | 1,600 | 1,750 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Dohc | Dohc |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Catalyst | Particulate filter | Particulate filter |
| Fuel tank (l) | 90 | 80 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | - | Helical spring, Double wishbone |
| Rear wheel suspension | - | Helical spring, Independent, spring multi-link with stabilizer |
| Front suspension | Pneumatic | Coil springs |
| Rear suspension | Pneumatic | Coil springs |
| Front stabilizer | + | + |
| Rear stabilizer | + | + |
| Steering type | Steering rack | Steering rack |
| Power steering | - | Electric Steering |
| Front brakes | Disc | Ventilated discs |
| Rear brakes | Disc | Disc |
| Tires size | | - |
| Turning radius (m) | 11.8 | - |
| Dimensions | | |
| Length (mm) | 5,096 | 4,945 |
| Width (mm) | 1,871 | 1,845 |
| Height (mm) | 1,479 | 1,500 |
| Wheelbase (mm) | 3,035 | 2,900 |
| Kerb weight (kg) | 1,880 | 1,845 |
| Gross weight (kg) | 2,550 | 2,395 |
| Minimum boot space (l) | 560 | 450 |
| Front track (mm) | 1,600 | 1,575 |
| Rear track (mm) | 1,606 | 1,570 |
| Ride height (mm) | - | 152 |