Comparison Mercedes-Benz SLC (R172 facelift 2016) AMG SLC 43 V6 (390 Hp) G-TRONIC & GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 Duramax TD V8 (470 Hp) Automatic
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| Brand: | Mercedes-Benz | GMC |
| Model: | SLC | Sierra 2500HD |
| Generation: | SLC (R172 facelift 2016) | Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed |
| Engine / modification: | AMG SLC 43 V6 (390 Hp) G-TRONIC | 6.6 Duramax TD V8 (470 Hp) Automatic |
| Production start: | 2018 year | 2023 year |
| Coupe type: | Pick-up | |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - urban: | 11.1 l/100 km | |
| Fuel consumption / economy - extra urban: | 6.4 l/100 km | |
| Fuel consumption / economy - combined: | 8.1 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Fuel tank volume: | 60 l | 136 l |
| Emission standard: | Euro 6d - TEMP - EVAP - ISC | |
| CO2 emissions: | 185 g/km | |
| Power: | 390 hp | 470 hp |
| Max power in: | 5500-6000 rpm. | 2800 rpm. |
| Maximum speed: | 250 km/h | |
| Acceleration from 0 to 100 km/h: | 4.7 sec | |
| Torque: | 520 Nm @ 2500-5000 rpm. | 1322 Nm @ 1600 rpm. |
| Model Engine: | M 276 DE 30 AL/276.822 | L5P |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 2996 cm3 | 6604 cm3 |
| Engine oil capacity: | 6.5 l | |
| Coolant: | 10.4 l | |
| Fuel System: | Direct injection | |
| Aspiration / Turbine: | BiTurbo | |
| Position of cylinders: | V engine | |
| Valvetrain: | OHV | |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 16 | |
| Piston Stroke: | 99 mm | |
| Cylinder Bore: | 103 mm | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 9 G-TRONIC | |
| Length: | 4133 mm | 6369 mm |
| Width: | 1810 mm | |
| Width including mirrors: | 2079 mm | |
| Height: | 1301 mm | 2027 mm |
| Wheelbase: | 2430 mm | 4037 mm |
| Front track: | 1559 mm | 1731 mm |
| Rear (Back) track: | 1736 mm | |
| Ride height(clearance): | 112 mm | 257 mm |
| Approach angle: | 13.4 ° | |
| Departure angle: | 15.6 ° | |
| Ramp angle: | 10.6 ° | |
| Front overhang: | 870 mm | |
| Rear overhang: | 833 mm | |
| Minimum volume of Luggage (trunk): | 225 l | |
| Maximum amount of Luggage (trunk): | 335 l | |
| Front suspension: | Independent torsion bar, double wishbone | |
| Max weight: | 1890 kg | 4899 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1520 kg | 3348 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls |
| Power steering: | Electric Steering | Hydraulic Steering |
| Permitted trailer load with brakes (12%): | 9072 kg | |
| Tire size: | Front wheel tires: 235/40 R18 | 235/80 R17; 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20 |
| Wheel rims size: | R18 | 7.5J x 17; 8J x 18; 8.5J x 20 |