There is a small overlap between these two, but between an A250 Sport and A35 AMG, or between something like the fastest A3 and the S3, it’s not really small. This is more like GTI vs Golf R, or WRX vs STI
BMW M135i xDrive vs BMW 128ti
| Category | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| Engine layout | 2.0 l R4 | 2.0 l R4 |
| Max power (ps / bhp) | 265 / 261 | 306 / 302 |
| Max torque (Nm / lb-ft) | 400 / 295 | 450 / 332 |
| Curb weight (kg / lb) | 1485 / 3274 | 1533 / 3380 |
| Power / tonne (ps / bhp) | 178 / 176 | 200 / 197 |
| Average price | €48,000 | €54,000 |
Lap Times
| Track | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| Circuit de Nevers Magny-Cours Club | 1:31.41 | 1:28.58 |
| Inta Long (Conf 2) | 1:25.93 | 1:26.15 |
| Hockenheim GP | 2:07.20 | 2:04.90 |
Acceleration
| Speed & distance | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| 0 - 40 kph | 2.0 s | 1.4 s |
| 0 - 50 kph | 2.5 s | 1.8 s |
| 0 - 60 kph | 3.1 s | 2.2 s |
| 0 - 70 kph | 3.8 s | 2.7 s |
| 0 - 80 kph | 4.4 s | 3.3 s |
| 0 - 90 kph | 5.2 s | 4.0 s |
| 0 - 100 kph | 5.9 s | 4.6 s |
| 0 - 120 kph | 8.1 s | 6.4 s |
| 0 - 130 kph | 8.9 s | 7.4 s |
| 0 - 140 kph | 10.2 s | 8.5 s |
| 0 - 160 kph | 12.8 s | 11.2 s |
| 0 - 180 kph | 16.6 s | 14.4 s |
| 0 - 200 kph | 20.6 s | 18.7 s |
| 1000 m | 25.3 s @ 210.0 kph | 24.1 s |
| 0 - 60 mph | 5.8 s | 4.4 s |
| Est. 1/8 mile | 10.0 s @ 86.4 mph | 9.2 s @ 92.0 mph |
| 1/4 mile | 13.9 s | 12.9 s |
Rolling acceleration
| Speed | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| 60 - 100 kph (4) | 3.9 s | 3.7 s |
| 60 - 100 kph (5) | 4.7 s | 4.3 s |
| 80 - 120 kph (4) | 4.2 s | 3.8 s |
| 80 - 120 kph (5) | 4.8 s | 4.5 s |
| 80 - 120 kph (6) | 6.0 s | 5.3 s |
| 80 - 120 kph (7) | 8.2 s | 7.5 s |
| 80 - 120 kph (8) | 11.9 s | 11.0 s |
| 80 - 160 kph (4) | 9.7 s | 8.7 s |
| 80 - 160 kph (5) | 11.1 s | 9.7 s |
| 80 - 160 kph (6) | 13.6 s | 12.1 s |
| 80 - 160 kph (7) | 18.5 s | 16.4 s |
| 80 - 160 kph (8) | 25.8 s | 22.8 s |
| 60 - 100 kph | 2.8 s | 2.6 s |
| 80 - 120 kph | 3.4 s | 3.1 s |
| 100 - 140 kph | 4.0 s | 3.9 s |
| 100 - 200 kph | 14.9 s | 13.7 s |
General performance
| Category | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| Top speed | 250 kph (155 mph) | 253 kph (157 mph) |
| Est. 0 - 100 mph - 0 | 21.2 s @ 1834 ft | 19.4 s @ 1693 ft |
| Est. max acceleration | 0.52 g (5 m/s²) | 0.65 g (6 m/s²) |
| 18m slalom | 69.6 kph (43.2 mph) | 68.1 kph (42.3 mph) |
| Fuel economy | 6.0 l/100 km (39 mpg US / 47 UK) | 6.6 l/100 km (36 mpg US / 43 UK) |
| 100 kph - 0 | 33 m (109 ft) | 33 m (109 ft) |
| 130 kph - 0 | 59 m (192 ft) | 58 m (191 ft) |
| 200 kph - 0 | 132 m (434 ft) | 134 m (440 ft) |
Summary
| Category | BMW 128ti (F40) | BMW M135i xDrive |
|---|---|---|
| Track Performance | 95 | 100 |
| Straight line speed | 69 | 100 |
| Overall | 85 | 100 |
Verdict
M135i xDrive is the fastest by considerable margin.
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Acceleration graph
