Comparison Alfa Romeo Giulia (952, facelift 2022) Quadrifoglio 2.9 V6 Bi-Turbo (520 Hp) Automatic & Mercedes-Benz GL (X164 facelift 2009) GL450 (340 Hp) 4MATIC G-TRONIC
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| Brand: | Alfa Romeo | Mercedes-Benz |
| Model: | Giulia | GL |
| Generation: | Giulia (952, facelift 2022) | GL (X164 facelift 2009) |
| Engine / modification: | Quadrifoglio 2.9 V6 Bi-Turbo (520 Hp) Automatic | GL450 (340 Hp) 4MATIC G-TRONIC |
| Production start: | 2023 year | 2009 year |
| Production end: | 2012 year | |
| Coupe type: | Sedan | SUV |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 7 |
| Fuel consumption / economy - urban: | 18.4 l/100 km | |
| Fuel consumption / economy - extra urban: | 10.5 l/100 km | |
| Fuel consumption / economy - combined: | 13.4 l/100 km | |
| Fuel consumption at Low speed (WLTP): | 15.6 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel consumption at Medium speed (WLTP): | 10.2 l/100 km | |
| Fuel consumption at high speed (WLTP): | 8.6 l/100 km | |
| Drag coefficient: | 0.37 | |
| Fuel tank volume: | 58 l | 100 l |
| Fuel consumption at very high speed (WLTP): | 9.2 l/100 km | |
| Combined fuel consumption (WLTP): | 10.1 l/100 km | |
| Emission standard: | Euro 6d Final | Euro 5 |
| CO2 emissions: | 312 g/km | |
| Power: | 520 hp | 340 hp |
| Max power in: | 6500 rpm. | 6000 rpm. |
| Maximum speed: | 308 km/h | 235 km/h |
| Acceleration from 0 to 100 km/h: | 3.9 sec | 7.2 sec |
| CO2 emissions (WLTP): | 228 g/km | |
| Torque: | 600 Nm @ 2500 rpm. | 460 Nm @ 2700-5000 rpm. |
| Model Engine: | 670053477 | M 273.923 |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 2891 cm3 | 4663 cm3 |
| Engine oil capacity: | 7 l | 8.5 l |
| Coolant: | 11.2 l | |
| Fuel System: | Multi-point injection | |
| Maximum engine speed: | 6500 rpm. | |
| Position of cylinders: | V engine | |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.3 | 10.5 |
| Piston Stroke: | 82 mm | 86 mm |
| Cylinder Bore: | 86.5 mm | 92.9 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 7 G-TRONIC | |
| Length: | 4639 mm | 5099 mm |
| Width: | 1874 mm | 1920 mm |
| Width including mirrors: | 2024 mm | |
| Height: | 1433 mm | 1840 mm |
| Wheelbase: | 2820 mm | 3075 mm |
| Front track: | 1553 mm | 1645 mm |
| Rear (Back) track: | 1609 mm | 1648 mm |
| Ride height(clearance): | 198 mm | |
| Minimum volume of Luggage (trunk): | 620 l | |
| Maximum amount of Luggage (trunk): | 2300 l | |
| Front suspension: | Double wishbone | Double wishbone |
| Rear suspension: | Multi-link independent | |
| Max weight: | 3150 kg | |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1660 kg | 2355 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 10.8 m | 12.1 m |
| Permitted trailer load with brakes (12%): | 3500 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Tire size: | Front wheel tires: 245/35 R19 | 275/55 R19 |
| Wheel rims size: | Front wheel rims: 19 | R19 |