Vs Spec. comparison: M4 vs E92 M3 vs 911 Carrera vs RS5 vs C63.

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Hofmeister

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All weight figures EC standard, i.e. with 75 KG for driver and luggage, + fuel tank 90% full. All specifications from manufacturers' UK websites, bar M4.
M4 M-DCT:
~450 PS
~410 lb/ft
0-100 km/h: 4.4 s ( M5: 4.4 s )

~215 g/km
32-34MPG

1,590KG

E92 M3 M-DCT:
420 PS
295 lb/ft
0-100 km/h: 4.6 s

285 g/km
23.7 MPG

1675 KG

911 Carrera PDK:
350 PS
288 lb/ft
0-100 km/h: 4.6 s

194 g/km
34.4 MPG

1,475 KG

RS5 S-Tronic:
450 PS
317 lb/ft
0-100 km/h: 4.6 s

246 g/km
26.9 MPG

1,725 KG***

C63 AMG Coupé MCT Speedshift:
457 PS
443 lb/ft
0-100 km/h: 4.5 s
280 g/km
23.5 MPG

1,730 KG
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How I arrived at M4 figures.

Power: 450 is a nice rounded number, 30 PS increase is relatively small, highlighting focus on lightweight, but still an appreciable advancement.

Torque: The new Alpina B3 produces 442 lb/ft. The M5 produces 36 lb/ft less than the B5. (502 vs 538.) If the M4 produces a similar percentage of the Alpina's power as the M5 does the B5's, then ~415 lb/ft seems likely.

Economy and emissions: economy is based on on M5's figure + around 5 MPG, calculated guess, emmisions is middle ground between the Porsche and Audi.

Weight: When asked in an interview whether M4 is lighter than 435i, Friedrich Nitschke repsonds, "Absolutely." 435i manual DIN=1,510 KG. Reasonable deduction, thus, of 15KG, M4 manual DIN = 1495 KG, same as E46 M3. + 75 KG for EC = 1570 KG. + 20 KG for M-DCT ( same weight gain as respective E92 variants ) = 1,590 KG.

*** Unsure whether this is DIN or EC.
 

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