Comparison BMW 7 Series (E23, facelift 1983) 728i (184 Hp) Automatic & Subaru Legacy III Station Wagon (BE,BH) 2.5 (156 Hp) Automatic & Opel Insignia Sports Tourer (facelift 2013) 1.6 CDTI (120 Hp)
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| Brand: | BMW | Subaru | Opel |
| Model: | 7 Series | Legacy | Insignia |
| Generation: | 7 Series (E23, facelift 1983) | Legacy III Station Wagon (BE,BH) | Insignia Sports Tourer (facelift 2013) |
| Engine / modification: | 728i (184 Hp) Automatic | 2.5 (156 Hp) Automatic | 1.6 CDTI (120 Hp) |
| Production start: | 1983 year | 1998 year | 2015 year |
| Production end: | 1986 year | 2003 year | |
| Coupe type: | Sedan | Combi | Combi |
| Num. of Doors: | 4 | 5 | 5 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 14.5 l/100 km | 12.6 l/100 km | 5.1-4.9 l/100 km |
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | 7.7 l/100 km | 3.9-3.7 l/100 km |
| Fuel consumption / economy - combined: | 10.7 l/100 km | 9.5 l/100 km | 4.3-4.1 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.40 | ||
| Fuel tank volume: | 100 l | 64 l | 70 l |
| Emission standard: | EURO VI | ||
| CO2 emissions: | 114-109 g/km | ||
| Power: | 184 hp | 156 hp | 120 hp |
| Max power in: | 5800 rpm. | 5600 rpm. | 4000 rpm. |
| Maximum speed: | 195 km/h | 203 km/h | 190 km/h |
| Acceleration from 0 to 100 km/h: | 11.4 sec | 9.3 sec | 12.4 sec |
| Torque: | 240 Nm @ 4200 rpm. | 223 Nm/3600 rpm. | 320 Nm/2000 rpm. |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, transverse |
| Engine displacement: | 2788 cm3 | 2457 cm3 | 1598 cm3 |
| Fuel System: | Multi-point injection | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | ||
| Position of cylinders: | Inline | Boxer | Inline |
| Valvetrain: | SOHC | ||
| Number of cylinders: | 6 | 4 | 4 |
| Number of valves per cylinder: | 2 | 4 | |
| Compression ratio: | 9.3 | 10 | 16 |
| Piston Stroke: | 80 mm | 79 mm | 80.1 mm |
| Cylinder Bore: | 86 mm | 99.5 mm | 79.7 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 4 | 4 | |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4860 mm | 4680 mm | 4913 mm |
| Width: | 1800 mm | 1700 mm | 1856 mm |
| Width including mirrors: | 2084 mm | ||
| Height: | 1430 mm | 1510 mm | 1513 mm |
| Wheelbase: | 2795 mm | 2650 mm | 2737 mm |
| Front track: | 1502 mm | 1460 mm | 1587 mm |
| Rear (Back) track: | 1524 mm | 1455 mm | 1590 mm |
| Minimum volume of Luggage (trunk): | 480 l | 528 l | 540 l |
| Maximum amount of Luggage (trunk): | 1646 l | 1530 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Wishbone | |
| Rear suspension: | Independent, spring | Several levers and rods | |
| Max weight: | 1980 kg | 1945 kg | 2250 kg |
| Front brakes: | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Drum | Disc | Disc |
| Kerb Weight: | 1490 kg | 1470 kg | 1589 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | Electric Steering | |
| Max. roof load: | 100 kg | ||
| Permitted trailer load with brakes (8%): | 1800 kg | ||
| Minimum turning circle (turning diameter): | 11.6 m | 11.40 m | |
| Permitted trailer load with brakes (12%): | 1700 kg | ||
| Permitted trailer load without brakes: | 750 kg | ||
| Tire size: | 195/70 HR 14 | 205/50R16 | |
| Wheel rims size: | R14 | 6.5J x 16 |