BMW i8 vs BMW M4
| Category | BMW i8 | BMW M4 |
|---|---|---|
| Max power (ps / bhp) | 374 / 369 | 431 / 425 |
| Max torque (Nm / lb-ft) | 570 / 420 | 550 / 406 |
| Curb weight (kg / lb) | 1519 / 3349 | 1605 / 3538 |
| Power / tonne (ps / bhp) | 246 / 243 | 269 / 265 |
| Average price | €132,000 | €85,000 |
| Auto insurance group | 50 | 42 |
Lap Times
Acceleration (mph)
| Speed & distance | BMW i8 | BMW M4 |
|---|---|---|
| 0 - 30 mph | 1.9 s | 1.7 s |
| 0 - 40 mph | 2.7 s | 2.5 s |
| 0 - 50 mph | 3.5 s | 3.2 s |
| 0 - 60 mph | 3.6 s | 3.7 s |
| 0 - 70 mph | 5.7 s | 5.0 s |
| 0 - 80 mph | 7.0 s | 6.1 s |
| 0 - 90 mph | 8.5 s | 7.4 s |
| 0 - 100 mph | 9.0 s | 8.5 s |
| Est. 1/8 mile | 8.8 s @ 96.9 mph | 8.6 s @ 99.4 mph |
| 1/4 mile | 12.1 s @ 116.2 mph | 12.0 s @ 119.3 mph |
Acceleration (kph)
| Speed & distance | BMW i8 | BMW M4 |
|---|---|---|
| 0 - 40 kph | 1.4 s | 1.4 s |
| 0 - 50 kph | 1.7 s | 1.7 s |
| 0 - 60 kph | 2.2 s | 2.6 s |
| 0 - 80 kph | 3.1 s | 3.1 s |
| 0 - 100 kph | 4.2 s | 4.0 s |
| 0 - 120 kph | 5.6 s | 5.5 s |
| 0 - 130 kph | 6.4 s | 6.0 s |
| 0 - 140 kph | 7.2 s | 6.9 s |
| 0 - 160 kph | 9.2 s | 8.5 s |
| 0 - 180 kph | 11.6 s | 10.5 s |
| 0 - 200 kph | 14.4 s | 12.9 s |
| 1000 m | 22.8 s | 21.8 s |
Rolling acceleration
| Speed | BMW i8 | BMW M4 |
|---|---|---|
| 60 - 100 kph (4) | 2.9 s | 3.3 s |
| 80 - 120 kph (4) | 3.2 s | 3.4 s |
| 80 - 120 kph (5) | 3.9 s | 4.2 s |
| 80 - 120 kph (6) | 4.4 s | 5.3 s |
| 80 - 160 kph (4) | 7.2 s | 7.1 s |
| 80 - 160 kph (5) | 8.9 s | 9.1 s |
| 80 - 160 kph (6) | 10.7 s | 11.6 s |
| Est. 100 - 200 kph | 10.3 s | 9.4 s |
General performance
| Category | BMW i8 | BMW M4 |
|---|---|---|
| Top speed | 254 kph (158 mph) | 280 kph (174 mph) |
| Est. max acceleration | 0.72 g (7 m/s²) | 0.72 g (7 m/s²) |
| 18m slalom | 69.4 kph (43.1 mph) | 71.1 kph (44.2 mph) |
| Fuel economy | 6.2 l/100 km (38 mpg US / 46 UK) | 7.6 l/100 km (31 mpg US / 37 UK) |
| Lateral acceleration | 0.93 g (9 m/s²) | 1.00 g (10 m/s²) |
| 100 kph - 0 | 34 m (112 ft) | 33 m (107 ft) |
| 200 kph - 0 | 149 m (490 ft) | 133 m (436 ft) |
| 60 mph - 0 | 34 m (111 ft) | 30 m (98 ft) |
Summary
| Category | BMW i8 | BMW M4 |
|---|---|---|
| Track Performance | 91 | 100 |
| Straight line speed | 84 | 100 |
| Overall | 88 | 100 |
Verdict
M4 is the fastest by considerable margin.
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Acceleration graph
