




| Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm | |
| Alfa Romeo 145 JTD 1.9 105 | 105 hp | 132 hp | 255 nm | 300 nm |
| Alfa Romeo 145 1.4 16V 103 | 103 hp | 114 hp | 124 nm | 136 nm |
| Alfa Romeo 145 1.6 16V 103 | 103 hp | 118 hp | 134 nm | 154 nm |
| Alfa Romeo 145 1.6 16V 120 | 120 hp | 132 hp | 146 nm | 161 nm |
| Alfa Romeo 145 1.7 16V 129 | 129 hp | 141 hp | 159 nm | 174 nm |
| Alfa Romeo 145 1.8 16V 140 | 140 hp | 162 hp | 159 nm | 174 nm |
| Alfa Romeo 145 1.8 16V 144 | 144 hp | 164 hp | 169 nm | 184 nm |
| Alfa Romeo 145 2.0 16V 150 | 150 hp | 165 hp | 186 nm | 206 nm |
| Alfa Romeo 145 2.0 16V 155 | 155 hp | 175 hp | 187 nm | 215 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 147 JTD 1.9 8V 100 | 100 hp | 130 hp | 200 nm | 260 nm |
| Alfa Romeo 147 JTD 1.9 8V 115 | 115 hp | 145 hp | 275 nm | 325 nm |
| Alfa Romeo 147 JTD 1.9 MultiJet (JTDM) 120 | 120 hp | 145 hp | 210 nm | 273 nm |
| Alfa Romeo 147 JTD 1.9 MultiJet (JTDM) 140 | 140 hp | 170 hp | 305 nm | 365 nm |
| Alfa Romeo 147 JTD 1.9 MultiJet (JTDM) 150 | 150 hp | 182 hp | 305 nm | 365 nm |
| Alfa Romeo 147 1.6 TS 16V 120 | 120 hp | 128 hp | 146 nm | 161 nm |
| Alfa Romeo 147 1.6 TS ECO 105 | 105 hp | 115 hp | 140 nm | 155 nm |
| Alfa Romeo 147 2.0 TS 150 | 150 hp | 165 hp | 181 nm | 201 nm |
| Alfa Romeo 147 3.2 V6 24V 250 | 250 hp | 268 hp | 300 nm | 325 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 155 1.6 16V | 120 hp | 130 hp | 144 nm | 159 nm |
| Alfa Romeo 155 1.7 8V | 115 hp | 125 hp | 152 nm | 167 nm |
| Alfa Romeo 155 1.8 TS 16V 140 | 140 hp | 154 hp | 165 nm | 184 nm |
| Alfa Romeo 155 2.0 16V Turbo Q4 | 190 hp | 220 hp | 293 nm | 337 nm |
| Alfa Romeo 155 2.0 TS 16V 150 | 150 hp | 160 hp | 187 nm | 200 nm |
| Alfa Romeo 155 2.5 TD 125 | 125 hp | 150 hp | 294 nm | 340 nm |
| Alfa Romeo 155 2.5 V6 | 165 hp | 185 hp | 216 nm | 236 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 156 JTD 1.9 105 | 105 hp | 140 hp | 255 nm | 315 nm |
| Alfa Romeo 156 JTD 1.9 110 | 110 hp | 140 hp | 275 nm | 330 nm |
| Alfa Romeo 156 JTD 1.9 115 | 115 hp | 145 hp | 275 nm | 325 nm |
| Alfa Romeo 156 JTD 1.9 MultiJet (JTDM) 140 | 140 hp | 170 hp | 305 nm | 365 nm |
| Alfa Romeo 156 JTD 1.9 MultiJet (JTDM) 150 | 150 hp | 182 hp | 305 nm | 360 nm |
| Alfa Romeo 156 JTD 2.4 136 | 136 hp | 168 hp | 310 nm | 370 nm |
| Alfa Romeo 156 JTD 2.4 140 | 140 hp | 173 hp | 304 nm | 382 nm |
| Alfa Romeo 156 JTD 2.4 150 | 150 hp | 180 hp | 304 nm | 370 nm |
| Alfa Romeo 156 JTD 2.4 MultiJet (JTDM) 175 | 175 hp | 205 hp | 385 nm | 450 nm |
| Alfa Romeo 156 1.6 16V 120 | 120 hp | 132 hp | 144 nm | 161 nm |
| Alfa Romeo 156 2.0 16V 155 | 155 hp | 170 hp | 176 nm | 196 nm |
| Alfa Romeo 156 2.0 JTS 16V | 166 hp | 181 hp | 206 nm | 226 nm |
| Alfa Romeo 156 2.5 V6 24V 192 | 192 hp | 207 hp | 218 nm | 243 nm |
| Alfa Romeo 156 GTA 250 | 250 hp | 268 hp | 300 nm | 325 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 159 JTD 1.9 MultiJet (JTDM) 120 | 120 hp | 152 hp | 280 nm | 340 nm |
| Alfa Romeo 159 JTD 1.9 MultiJet (JTDM) 150 | 150 hp | 182 hp | 320 nm | 375 nm |
| Alfa Romeo 159 JTD 2.4 MultiJet (JTDM) 200 | 200 hp | 230 hp | 400 nm | 460 nm |
| Alfa Romeo 159 JTD 2.4 MultiJet (JTDM) 210 | 210 hp | 240 hp | 400 nm | 460 nm |
| Alfa Romeo 159 1.8 16V 140 | 140 hp | 152 hp | 175 nm | 190 nm |
| Alfa Romeo 159 1.9 JTS 16V 160 | 160 hp | 175 hp | 190 nm | 208 nm |
| Alfa Romeo 159 2.2 JTS 16V 185 | 185 hp | 203 hp | 230 nm | 255 nm |
| Alfa Romeo 159 3.2 JTS V6 260 | 260 hp | 278 hp | 322 nm | 347 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 164 2.0 TS | 141 hp | 151 hp | 187 nm | 202 nm |
| Alfa Romeo 164 2.0 V6 T | 201 hp | 230 hp | 280 nm | 330 nm |
| Alfa Romeo 164 2.5 TD 125 | 125 hp | 150 hp | 294 nm | 340 nm |
| Alfa Romeo 164 3.0 V6 24V 218 | 218 hp | 230 hp | 275 nm | 295 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 166 JTD 2.4 136 | 136 hp | 168 hp | 310 nm | 370 nm |
| Alfa Romeo 166 JTD 2.4 140 | 140 hp | 173 hp | 304 nm | 382 nm |
| Alfa Romeo 166 JTD 2.4 150 | 150 hp | 175 hp | 305 nm | 382 nm |
| Alfa Romeo 166 2.0 16V 150 | 150 hp | 163 hp | 181 nm | 196 nm |
| Alfa Romeo 166 2.5 V6 188 | 188 hp | 212 hp | 221 nm | 250 nm |
| Alfa Romeo 166 3.2 V6 24V 240 | 240 hp | 253 hp | 289 nm | 307 nm |
| Model (+2003) | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo 166 JTD 2.4 10V 150 | 150 hp | 180 hp | 305 nm | 365 nm |
| Alfa Romeo 166 JTD 2.4 MultiJet (JTDM) 175 | 175 hp | 208 hp | 385 nm | 445 nm |
| Alfa Romeo 166 JTD 2.4 MultiJet (JTDM) 175 Sportronic | 175 hp | 208 hp | 330 nm | 380 nm |
| Alfa Romeo 166 JTD 2.4 MultiJet (JTDM) 185 | 185 hp | 215 hp | 385 nm | 450 nm |
| Alfa Romeo 166 2.0 TS 16V | 150 hp | 170 hp | 182 nm | 200 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo Brera JTD 2.4 MultiJet (JTDM) 200 | 200 hp | 230 hp | 400 nm | 460 nm |
| Alfa Romeo Brera JTD 2.4 MultiJet (JTDM) 210 | 210 hp | 240 hp | 400 nm | 460 nm |
| Alfa Romeo Brera 2.2 JTS 185 | 185 hp | 203 hp | 230 nm | 255 nm |
| Alfa Romeo Brera 3.2 JTS V6 260 | 260 hp | 278 hp | 322 nm | 347 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo GT JTD 1.9 MultiJet (JTDM) 140 | 140 hp | 170 hp | 305 nm | 365 nm |
| Alfa Romeo GT JTD 1.9 MultiJet (JTDM) 150 | 150 hp | 182 hp | 305 nm | 360 nm |
| Alfa Romeo GT 1.8 TS 16V 140 | 140 hp | 150 hp | 163 nm | 177 nm |
| Alfa Romeo GT 2.0 JTS 165 | 165 hp | 180 hp | 206 nm | 226 nm |
| Alfa Romeo GT 3.2 V6 240 | 240 hp | 258 hp | 300 nm | 325 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo GTV 1.8 16V 140 | 140 hp | 158 hp | 165 nm | 188 nm |
| Alfa Romeo GTV 1.8 TS 144 | 144 hp | 160 hp | 169 nm | 190 nm |
| Alfa Romeo GTV 2.0 JTS 165 | 165 hp | 180 hp | 206 nm | 226 nm |
| Alfa Romeo GTV 2.0 T V6 201 | 201 hp | 241 hp | 210 nm | 270 nm |
| Alfa Romeo GTV 2.0 TS 16V 150 | 150 hp | 165 hp | 186 nm | 206 nm |
| Alfa Romeo GTV 2.0 TS 16V 155 | 155 hp | 170 hp | 187 nm | 205 nm |
| Alfa Romeo GTV 3.0 V6 218 | 218 hp | 245 hp | 275 nm | 309 nm |
| Model | Original BHP | Custom Tuning BHP | Original nm | Custom Tuning nm |
| Alfa Romeo Spider JTD 2.4 MultiJet (JTDM) 20V | 200 hp | 230 hp | 400 nm | 455 nm |
| Alfa Romeo Spider 2.2 JTS Twin Phaser 185 | 185 hp | 203 hp | 230 nm | 255 nm |
| Alfa Romeo Spider 3.2 JTS Twin Phaser 260 | 260 hp | 278 hp | 322 nm | 347 nm |