Z4 (G29) M40i vs Z4 (G29) sDrive30i
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Common Comparisons
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TL;DR
Z4 (G29) M40iRacers, Builders
Biggest reasons are Displacement (+33%), 0–100 km/h (+33%), and Power (+33%).
Z4 (G29) sDrive30iSmart Money, Pragmatists
Biggest reasons are MSRP (+25%) and Configuration (Inline 4).
| Spec | BMW Z4 (G29) M40i | BMW Z4 (G29) sDrive30i | Difference |
|---|---|---|---|
| Model Years | 2019–2026 | 2019–2026 | |
| Release Date | 2018-12-21 | 2018-12-21 | |
| Body Style | convertible | convertible | |
| Configuration | Inline 6 | Inline 4 | |
| Displacement | 3.0L (183 ci) | 2.0L (122 ci) | -33.4% |
| Engine Code | B58 | B48 | |
| Crank | cross-plane | cross-plane | |
| Aspiration | turbocharged | turbocharged | |
| Fuel | gasoline | gasoline | |
| Redline | 6,500 rpm | 6,500 rpm | |
| Power | 382 hp @ 5,000 rpm | 255 hp @ 5,000 rpm | -33.2% |
| Torque | 369 ft·lbs @ 1,600 rpm | 295 ft·lbs @ 1,550 rpm | -20.0% |
| Compression | 11.0:1 | 11.0:1 | |
| Bore × Stroke | 82.0 × 94.6 mm | 82.0 × 94.6 mm | |
| Powertrain | ICE | ICE | |
| Drivetrain | RWD | RWD | |
| Transmission | automatic 8-speed | automatic 8-speed | |
| Curb Weight | 3,384 lbs | 3,241 lbs | -4.2% |
| Power-to-Weight | 249 hp/ton | 173 hp/ton | -30.3% |
| 0–100 km/h | 3.9s | 5.2s | +33.3% |
| Top Speed | 155 mph | 155 mph | |
| MSRP | $58,900 | $43,900 | -25.5% |
| Fuel Economy | 23 / 29 / 25 mpg | 23 / 29 / 25 mpg |