| Modification | 645Ci CABRIOLET |
| Chassis ID | GH-EK44 |
| Registration Year | 2004.4 |
| Exterior Dimensions, mm | 4830 x 1855 x 1360 mm |
| Interior Dimensions, mm | ----x----x----mm |
| Wheelbase, mm | 2780mm |
| Front/Rear Track, mm | 1560mm//1590mm |
| Curb Weight, kg | 1940kg |
| Body Type | Кабриолет |
| Doors/Seats | 2 door//4 |
| Model | N62B44A |
| Type | V-type 8 cylinder DOHC |
| Bore X Stroke, mm | 92.0mmx82.7mm |
| Capacity, cc | 4398cc |
| Compression Ratio | 10.0 |
| Fuel System | デジタル モーター エレクトロニクス(DME/電子燃料噴射装置) |
| Max. Power, HP/RPM | 333ps(245kW)/6100rpm |
| Max. Power, HP/RPM | 45.9kg m(450N m)/3600rpm |
| Supercharger | It is not |
| Fuel tank capacity, L | 70 l |
| Fuel Efficiency, l/100 km | Unleaded premium gasoline |
| Fuel consumption, l/100 km | 7.3km/リットル (10/15) |
| Steering Column Length | Power assist equipped rack&pinion |
| Suspension – Front/Rear | ダブル ジョイント スプリング Strut type コイル スプリング、スタビライザー |
| Brake – Front/Rear | インテグラル アーム type コイル スプリング、スタビライザー |
| Front brake | Ventilated disk |
| Rear brake | Ventilated disk |
| Front wheel | 245/45R18 |
| Rear wheel | 275/40R18 |
| The minimum diameter of a turn | 5.7m |
| Number of steps / Type | 6AT |
| Drive | FR |
| LSD | ---- |
| Front fog lights | Standard |
| Rear fog lights | Standard |
| Xenon headlights | Standard |
| Additional front headlights | It is not |
| Front / rear spoiler | It is not//It is not |
| Rear wiper | It is not |
| Navigation | Standard |
| Navigational device | DVD |
| Audio | AM/FM radio with MD player |
| CD-player | 連装 |
| Driver's air bag | Standard |
| Front passenger air bag | Standard |
| Side airbags | Standard |
| ABS | Standard |
| TRC | It is not |
| Safety belts with tensioner | Standard |
| Safety belts with tensioner | Standard |
| Safety belts with holding | Standard |
| The mechanism of fixation of children's seats | It is not |
| Safety planks | Standard |
| Brake assist | Standard |
| The design of the body, providing energy absorption and dispersion of strike | It is not |
| EBD | It is not |
| Anti theft device | Standard |
| Additional equipment | DSC(ダイナミック スタビリティ コントロール) |
| Air conditioner | Full Auto |
| Power window | Standard |
| Central switch | Standard |
| Steering column length | Standard |
| Steering column height | Standard |
| Cruise control | Standard |
| Finishing leather steering wheel | Standard |
| Leather seats |
| Power front seat | Standard |
| Power rear seat | It is not |
| Wood panel | Standard |
| Sunroof | It is not |
| Sunroof | 18 inches standard |
| Folding seat | It is not |
| Glass with a UV filter | It is not |
| Toned glasses | It is not |
| CVT | |
| 1 | 4.171 |
| 2 | 2.340 |
| 3 | 1.521 |
| 4 | 1.143 |
| 5 | 0.867 |
| 6 | 0.691 |
| 7 | |
| Reverse | |
| Main drive | 3.403 |