W124 W126 W140 Comparison of the guestimated 0-60 MPH performance E320 and E420 using modified rear axle ratios to standard 500E  
Data 300E 2.6 300E E320 E420 E500 300SE 300SEL 420SEL 560SEL 300SE S320 * 400SE 500SEL 600SEL E320 E320 E320 E420 E500
HP 158 177 217 275 315 177 177 201 238 228 228 282 322 402 217 217 217 275 315
5800 5700 5500 5700 5600 5700 5700 5200 4800 5800 5800 5700 5700 5200 5500 5500 5500 5700 5600
Torque 162 188 229 295 347 188 188 228 287 229 232 302 354 428 229 229 229 295 347
4600 4400 3750 3900 3900 4400 4400 3600 3500 4100 3750 3900 3900 3800 3750 3750 3750 3900 3900
Weight 3330 3365 3525 3745 3855 3745 3785 3915 4100 4610 4610 4700 4760 5030 3525 3525 3525 3745 3855
Axle Ratio 3.07 2.87 2.65 2.24 2.82 3.46 3.46 2.47 2.47 3.69 3.46 2.82 2.65 2.65 2.82 3.07 3.27 2.82 2.82
Tire size 195/65 15 195/65 15 195/65 15 195/65 15 225/55 16 205/65 15 205/65 15 205/65 15 205/65 15 225/60 16 225/60 16 225/60 16 235/60 16 235/60 16 195/65 15 195/65 15 195/65 15 195/65 15 225/55 16
0-60 9.7 8.7 8.0 7.1 6.3 9.3 9.4 8.8 7.4 8.1 8.9 8.1 6.7 6.3 7.8 7.1 6.7 6.5 6.3
                                     
Calculated Data                                      
#/HP 21.08 19.01 16.24 13.62 12.24 21.16 21.38 19.48 17.23 20.22 20.22 16.67 14.78 12.51 16.24 16.24 16.24 13.62 12.24
#/HP/axle ratio 6.87 6.62 6.13 6.08 4.34 6.12 6.18 7.89 6.97 5.48 5.84 5.91 5.58 4.72 5.76 5.29 4.97 4.83 4.34
#/Torque 20.56 17.90 15.39 12.69 11.11 19.92 20.13 17.17 14.29 20.13 19.87 15.56 13.45 11.75 15.39 15.39 15.39 12.69 11.11
#/Torque/axle ratio 6.70 6.24 5.81 5.67 3.94 5.76 5.82 6.95 5.78 5.46 5.74 5.52 5.07 4.43 5.46 5.01 4.71 4.50 3.94
Tire RPM/Mile 836 836 836 836 811 817 817 817 817 777 777 777 772 772 836 836 836 836 811
Engine RPM/Mile 2567 2399 2215 1873 2287 2827 2827 2018 2018 2867 2688 2191 2046 2046 2358 2567 2734 2358 2287
                                     
HP * RPM/Mile 405510 424680 480742 514976 720411 500347 500347 405616 480282 653706 612960 617901 658748 822412 511582 556935 593217 648318 720411
Weight/0-60 343 387 441 527 612 403 403 445 554 569 518 580 710 798 455 496 526 576 612
Ratio 1181 1098 1091 976 1177 1243 1243 912 867 1149 1183 1065 927 1030 1125 1122 1128 1125 1177
                                     
                                     
                                     
                                     
Statistical Analysis                                      
Correlation                                      
                                     
0-60 9.7 8.7 8.0 7.1 6.3 9.3 9.4 8.8 7.4 8.1 8.9 8.1 6.7 6.3 8.0 8.0 8.0 7.1 6.3
Ratio 1181.216 1097.983 1091.045 976.323 1177.326 1242.518 1242.606 911.7294 866.8498 1148.593 1183.371 1064.894 927.2288 1030.058 1091.045 1091.045 1091.045 976.323 1177.326
                                     
Acceleration/Weight/Power/Axle Ratio                                      
0-60 9.7 8.7 8.0 7.1 6.3 9.3 9.4 8.8 7.4 8.1 8.9 8.1 6.7 6.3 7.8 7.1 6.7 6.5 6.3
#/HP/axle ratio 6.87 6.62 6.13 6.08 4.34 6.12 6.18 7.89 6.97 5.48 5.84 5.91 5.58 4.72 5.76 5.29 4.97 4.83 4.34
Ratio (non-shaded figures are < 1 from mean) 1.412938 1.313377 1.305078 1.16785 1.451696 1.520829 1.520937 1.115948 1.061016 1.478241 1.523 1.37052 1.201074 1.334272 1.3454 1.34183 1.348724 1.345995 1.451696