Comparison BMW 7 Series (E38, facelift 1998) 740d (245 Hp) Steptronic & BMW M8 Gran Coupe (F93) Competition 4.4 V8 (625 Hp) xDrive Steptronic & Kia Optima I LX 2.5 V6 (172 Hp) Automatic
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| Brand: | BMW | BMW | Kia |
| Model: | 7 Series | M8 | Optima |
| Generation: | 7 Series (E38, facelift 1998) | M8 Gran Coupe (F93) | Optima I |
| Engine / modification: | 740d (245 Hp) Steptronic | Competition 4.4 V8 (625 Hp) xDrive Steptronic | LX 2.5 V6 (172 Hp) Automatic |
| Production start: | 1999 year | 2019 year | 2000 year |
| Production end: | 2001 year | 2001 year | |
| Coupe type: | Sedan | Coupe | Sedan |
| Num. of Doors: | 4 | 4 | 4 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 14.7 l/100 km | 15.2-15.3 l/100 km | |
| Fuel consumption / economy - extra urban: | 7 l/100 km | 7.8-8.1 l/100 km | |
| Fuel consumption / economy - combined: | 9.8 l/100 km | 10.5-10.7 l/100 km | |
| Fuel Type: | Diesel | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.31 | ||
| Fuel tank volume: | 95 l | 68 l | 65 l |
| Emission standard: | Euro 6d - TEMP | ||
| CO2 emissions: | 240-244 g/km | ||
| Power: | 245 hp | 625 hp | 172 hp |
| Max power in: | 4000 rpm. | 6000 rpm. | 6000 rpm. |
| Maximum speed: | 242 km/h | 250 (305 M Package) km/h | |
| Acceleration from 0 to 100 km/h: | 8.4 sec | 3.2 sec | |
| Acceleration from 0 to 200 km/h: | 11.0 sec | ||
| Torque: | 560 Nm @ 1750-2500 rpm. | 750 Nm @ 1800-5800 rpm. | 229 Nm @ 4500 rpm. |
| Model Engine: | M67D40 | ||
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3901 cm3 | 4395 cm3 | 2494 cm3 |
| Engine oil capacity: | 9.5 l | 10.6 l | 4.5 l |
| Coolant: | 16 l | 8.6 l | |
| Fuel System: | Diesel Commonrail | Direct injection | Multi-point injection |
| Aspiration / Turbine: | BiTurbo | Twin-power turbo | |
| Position of cylinders: | V engine | V engine | V engine |
| Valvetrain: | VALVETRONIC | DOHC | |
| Number of cylinders: | 8 | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 18 | 10 | 10 |
| Piston Stroke: | 88 mm | 88.3 mm | 75 mm |
| Cylinder Bore: | 84 mm | 89 mm | 84 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 5 Steptronic | 8 M Steptronic | 4 |
| Length: | 4984 mm | 5098 mm | 4722 mm |
| Width: | 1862 mm | 1943 mm | 1815 mm |
| Width including mirrors: | 2137 mm | ||
| Height: | 1435 mm | 1420 mm | 1410 mm |
| Wheelbase: | 2930 mm | 3027 mm | 2700 mm |
| Front track: | 1552 mm | 1626 mm | 1540 mm |
| Rear (Back) track: | 1568 mm | 1660 mm | 1530 mm |
| Ride height(clearance): | 130 mm | ||
| Front overhang: | 950 mm | ||
| Rear overhang: | 1121 mm | ||
| Minimum volume of Luggage (trunk): | 500 l | 440 l | 368 l |
| Front suspension: | Wishbone | Double wishbone | Wishbone |
| Rear suspension: | Inclined Lever | Multi-link independent | Helical spring |
| Max weight: | 2495 kg | 2440 kg | 1855 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs | Disc |
| Kerb Weight: | 1960 kg | 1980 kg | 1495 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 11.6 m | 12.9 m | 10.4 m |
| Tire size: | 235/60 R16 W | Front wheel tires: 275/35 ZR20 102Y XL | 195/70 R14; 205/60 R15 |
| Wheel rims size: | R16 | Front wheel rims: 9.5J x 20 | R14; R15 |