Comparison BMW 3 Series Sedan (G20) 320d (190 Hp) & BMW 7 Series (E23, facelift 1983) 728i (184 Hp)
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| Brand: | BMW | BMW |
| Model: | 3 Series | 7 Series |
| Generation: | 3 Series Sedan (G20) | 7 Series (E23, facelift 1983) |
| Engine / modification: | 320d (190 Hp) | 728i (184 Hp) |
| Production start: | 2018 year | 1983 year |
| Production end: | 2020 year | 1986 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 5.4-5.7 l/100 km | 15.1 l/100 km |
| Fuel consumption / economy - extra urban: | 3.8-4.1 l/100 km | 7.9 l/100 km |
| Fuel consumption / economy - combined: | 4.4-4.7 l/100 km | 11.1 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.23 | 0.40 |
| Fuel tank volume: | 40 l | 100 l |
| Emission standard: | Euro 6 d-TEMP | |
| CO2 emissions: | 115-122 g/km | |
| Power: | 190 hp | 184 hp |
| Max power in: | 4000 rpm. | 5800 rpm. |
| Maximum speed: | 240 km/h | 201 km/h |
| Acceleration from 0 to 100 km/h: | 7.1 sec | 9.5 sec |
| Torque: | 400 Nm @ 1750-2500 rpm. | 240 Nm @ 4200 rpm. |
| Model Engine: | B47D20 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 1995 cm3 | 2788 cm3 |
| Engine oil capacity: | 5.5 l | |
| Coolant: | 7 l | |
| Fuel System: | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Number of cylinders: | 4 | 6 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 16.5 | 9.3 |
| Piston Stroke: | 90 mm | 80 mm |
| Cylinder Bore: | 84 mm | 86 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (manual transmission): | 6 | 5 |
| Length: | 4709 mm | 4860 mm |
| Width: | 1827 mm | 1800 mm |
| Width including mirrors: | 2068 mm | |
| Height: | 1442 mm | 1430 mm |
| Wheelbase: | 2851 mm | 2795 mm |
| Front track: | 1589 mm | 1502 mm |
| Rear (Back) track: | 1604 mm | 1524 mm |
| Ride height(clearance): | 136 mm | |
| Front overhang: | 799 mm | |
| Rear overhang: | 1059 mm | |
| Minimum volume of Luggage (trunk): | 480 l | 480 l |
| Front suspension: | Independent, spring | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Multi-link independent | Independent, spring |
| Max weight: | 2075 kg | 1980 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Ventilated discs | Drum |
| Kerb Weight: | 1450 kg | 1470 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Max. roof load: | 75 kg | |
| Minimum turning circle (turning diameter): | 11.4 m | 11.6 m |
| Permitted trailer load with brakes (12%): | 1600 kg | |
| Permitted trailer load without brakes: | 745 kg | |
| Permitted towbar download: | 75 kg | |
| Tire size: | 205/60 R16 96W XL | 195/70 R 14 |
| Wheel rims size: | 6.5J x 16 | R14 |