| 5 version of the engine | | | Typ | 628CSi | 630CS | 633CSi | 635CSi | 635CSi |
| Engine | benzynowy | benzynowy | benzynowy | benzynowy | benzynowy |
| Type of injection | pośredni MPI | gaźnik | pośredni MPI | pośredni MPI | pośredni MPI |
| Engine Code | M30B28 | M30B30 | M30B32 | M30B34 | M30B35 |
| Years of mounting | 1979-1987 | 1976-1979 | 1976-1984 | 1978-1988 | 1988-1989 |
| Cylinders/valves | R6/12 | R6/12 | R6/12 | R6/12 | R6/12 |
| Displacement [cm³] | 2788 | 2986 | 3210 | 3430 | 3430 |
| Power [kW/PS/RPM] | 135/184/5800 | 136/185/5800 | 147/197/5500 | 160/218/5200 | 155/211/5700 |
| Torque [Nm/RPM] | 240/4200 | 255/3500 | 284/4250 | 310/4000 | 305/4000 |
| Timing gear | łańcuch | łańcuch | łańcuch | łańcuch | łańcuch |
| Particle filter | - | - | - | - | - |
| Gearbox | man. 4,5b/aut. 3,4b | manual. 4b/aut. 3b | man. 4,5b/aut. 3b | man. 4,5b/aut. 3,4b | manual. 5b/aut. 4b |
| Drivetrain | tylny | tylny | tylny | tylny | tylny |
| Brakes, front/rear | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. | tarcz./tarcz. | tarcz. went./tarcz. |
| Front suspension | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona | kol. MacPhersona |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1430/1450 | 1450/1475 | 1470/1490 | 1430/1450 | 1475/1495 |
| Body dimensions [mm] | 4755/1725/1365 | 4755/1725/1365 | 4755/1725/1365 | 4755/1725/1365 | 4815/1725/1365 |
| Luggage capacity [l] | 415 | 415 | 415 | 415 | 415 |
| Acceleration 0-100km/h (0-62mph) [s] | 9,1/10,9 | 8,9/11,2 | 7,9/10,4 | 7,4/9,0 | 8,1/9,0 |
| Top speed [km/h] | 212/204 | 210/202 | 215/207 | 229/221 | 225/220 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 14,9/8,1/11,0 | - / - /12,4 | - / - /11,6 | 15,7/8,8/10,6 | 16,8/7,9/11,5 |
| Fuel tank capacity [l] | 70 | 70 | 70 | 70 | 70 |
| Ratio kg/PS | 7.77/7.88 | 7.84/7.97 | 7.46/7.56 | 6.56/6.65 | 6.99/7.09 |