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"If you're considering the Z4, we think it's a no-brainer to shell out for the M40i variant. Packing 382 horsepower into such a tiny package is a recipe for big fun, especially with the top down. Plus, you can get a manual for 2025 if you want one. And here's the clincher: even the M40i costs thousands less than the base four-cylinder 718 Boxster. We simply can't ignore the Z4's superior value in the final tally, despite the fact that, yes, the six-cylinder Boxster GTS 4.0 is an all-time great. Listen, it had better be an all-timer if Porsche's charging effectively 50 percent more for it than what BMW wants for a Z4 with the superb B58 inline-6 under the hood. Summing up, then: if you have a chance to acquire a Boxster GTS 4.0, fantastic, because it's the best version of either car. But the six-cylinder Z4 in particular is a far better value than the four-cylinder Boxsters, and that's ultimately what tipped the scales."—Ranked #1 out of 2 Small Luxury Roadsters
MotorDonkey's proprietary vehicle data identifies every significant version of each model so that you can compare and decide. Ordered by price from low to high, here are the versions of the 2025 BMW Z4 that you need to be aware of, along with our expert analysis and recommendations.
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We'd rather have the M40i version's inline-6 engine, but the base Z4 is a sporty little thing that puts the wind in your hair, so there's a lot of appeal no matter what's under the hood.
If you're already considering the base Z4, we think it's a no-brainer to shell out for the M40i variant. Packing 382 horsepower into such a tiny package is a recipe for big fun, especially with the top down. To us, the Z4 doesn't feel complete without the inline-6. You can even get a manual for 2025 if you want one, though it'll run you an extra $3,500.
Any model that pairs a manual transmission with BMW's sublime B58 turbo six is OK by us. You can get that pairing in the Toyota GR Supra, but of course the top doesn't go down — so if you want the wind in your hair, too, the Z4 M40i manual is where it's at.
What are the different versions of the 2025 Z4, and how much do they cost? Select a version below or just hit the button to see our full 2025 Z4 specs and model data.
| Version | Price | Fuel | MPG | Power | Torque |
|---|---|---|---|---|---|
| 2025 BMW Z4 sDrive 30i (2.0T Rear-Wheel Drive) | $54,050 | Gas | 28 | 255 hp | 295 lb-ft |
| 2025 BMW Z4 M40i Automatic Transmission (3.0T Rear-Wheel Drive) | $66,450 | Gas | 25 | 382 hp | 369 lb-ft |
| 2025 BMW Z4 M40i Manual Transmission (3.0T Rear-Wheel Drive) ✅ our pick | $69,950 | Gas | 22 | 382 hp | 369 lb-ft |
Publisher and Donkey-in-Chief
Josh has been reviewing cars professionally since joining Edmunds.com fresh out of grad school in 2008. Prior to founding MotorDonkey, he spent 15 years shaping Edmunds' expert automotive content in various capacities, starting as an associate editor and ultimately serving as a senior editor before wrapping up with a five-year term as the company's first-ever director of content strategy. Josh is a card-carrying member of the Motor Press Guild and a lifelong car nut who has driven, compared and critiqued thousands of cars in his career. Helping people find their perfect car never gets old—seriously!
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