Z4-ALT-MASTER-2026 10 Best Cars Similar to the BMW Z4
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| Model / chassis code | Engine (detail) | Power/Torque | 0-60 | Curb weight | Trunk | MPG (US) | MSRP | IIHS |
|---|---|---|---|---|---|---|---|---|
| Porsche 718 Boxster 982.2 | 2.0T H4 / 4.0L H6 GTS | 300/280 · 394/309 | 4.2s | 2,944 lb | 9.7 ft³ | 21/27 | $68,500 | TSP+ |
| Audi TT RS Roadster FV3 | 2.5T 5cyl | 394 hp / 354 lb‑ft | 3.6s | 3,340 lb | 7.5 ft³ | 19/28 | $73,000 | Good |
| Mercedes‑AMG SL 43 R232.1 | 2.0 MHEV (M139) | 375 hp / 339 lb‑ft | 4.1s | 3,858 lb | 8.9 ft³ | 20/26 | $79,500 | TSP |
| Jaguar F‑TYPE R75 X152 | 5.0 SC V8 | 444 hp / 428 lb‑ft | 3.8s | 3,670 lb | 9.9 ft³ | 16/24 | $77,900 | Good |
| Chevrolet Corvette C8 2LT | 6.2L V8 LT2 | 490 hp / 465 lb‑ft | 2.9s | 3,366 lb | 12.5 ft³ | 16/24 | $66,300 | Good |
| Mazda MX‑5 Miata RF ND3 | 2.0L I4 Skyactiv | 181 hp / 151 lb‑ft | 5.5s | 2,341 lb | 4.6 ft³ | 26/34 | $34,000 | TSP |
| Toyota GR Supra 3.0 DB22 | 3.0T I6 B58 | 382 hp / 368 lb‑ft | 3.7s | 3,400 lb | 10.2 ft³ | 22/30 | $56,500 | TSP+ |
| BMW M440i Cabrio G22 | 3.0 MHEV B58 | 382 hp / 369 lb‑ft | 4.2s | 4,030 lb | 9.0 ft³ | 23/31 | $68,250 | TSP+ |
| Lexus LC 500 Convertible UR80 | 5.0L V8 2UR‑GSE | 471 hp / 398 lb‑ft | 4.4s | 4,450 lb | 5.4 ft³ | 16/25 | $102,000 | Good |
| Ford Mustang GT Conv. S650 | 5.0L Coyote V8 | 480 hp / 415 lb‑ft | 4.0s | 3,932 lb | 11.4 ft³ | 16/24 | $51,000 | TSP |
01‑982.2 Porsche 718 Boxster GTS 4.0
§1.1 powertrain (detailed): 4.0L flat‑six DOHC, 394 hp @ 7000 rpm, 309 lb‑ft @ 5000. 0‑60 4.0s (manual), top track 182 mph. The only naturally aspirated six in segment. PDK or 6MT.
§1.2 chassis & us roads: adaptive dampers, PASM. Weight distribution 46/54. Trunk front+rear 9.7 cu‑ft. Fuel 19/24. On I‑5 or twisty backroads, it’s sharper than Z4.
§1.3 ownership (24car‑repair): annual service ~$950. PDK service every 40k mi. Known issue: water pump (pre‑2025 fixed).
02‑FV3 Audi TT RS Roadster (2026 Final)
§2.1 engine detail: 2.5 TFSI, 394 hp @ 5850, 354 lb‑ft @ 1950. Unique 1‑2‑4‑5‑3 firing order. 0‑60 3.6s. Exhaust sound unlike any other.
§2.2 quattro & utility: permanent AWD. Trunk 7.5 cu‑ft, rear seats fold (emergency). Virtual cockpit. US collectors final edition.
§2.3 tech notes: carbon ceramic optional. Maintenance interval 10k miles. Common: carbon buildup (guide on site).
03‑R232.1 Mercedes‑AMG SL 43
§3.1 F1 electrified turbo: 2.0L M139 with 48V electric exhaust turbocharger (e‑turbo). 375 hp, 339 lb‑ft + 13 hp EQ boost. 0‑60 4.1s.
§3.2 soft top & space: acoustic fabric roof, 8.9 cu‑ft trunk. Rear seats suitable for kids. US highway comfort with AMG dynamic select.
§3.3 diagnostic notes: 24car‑repair covers 48V system (M260). Mild hybrid battery located in bulkhead.
04‑X152 Jaguar F‑TYPE R75 Convertible
§4.1 supercharged 5.0L: 444 hp @ 6000, 428 lb‑ft @ 3500. Active exhaust. 0‑60 3.8s. RWD only. Last V8 F‑TYPE.
§4.2 interior & luggage: Windsor leather, 9.9 cu‑ft trunk. US roads: grand touring muscle.
§4.3 reliability: supercharger coolant pump known issue (TSB JTB00438). 24car‑repair has full flush guide.
05‑C8.3 Chevrolet Corvette Stingray Convertible
§5.1 LT2 V8: 6.2L OHV, 490 hp, 465 lb‑ft. 8‑speed DCT. Removable targa. 0‑60 2.9s (Z51).
§5.2 storage & mpg: frunk + rear trunk = 12.5 cu‑ft total. 16/24 mpg. Magnetic ride optional.
§5.3 US market: huge aftermarket. DCT service every 45k mi (24car‑repair procedure).
06‑ND3 Mazda MX‑5 Miata RF
§6.1 skyactiv‑G 2.0: 181 hp @ 7000, 151 lb‑ft @ 4000. 6MT or 6AT. Weight 2,341 lb. 0‑60 5.5s.
§6.2 rf fastback roof: power hardtop. Trunk 4.6 cu‑ft. 34 mpg highway. Nimblest chassis.
§6.3 ownership bargain: $400/yr maintenance. Rustproofing recommended (US snow states).
07‑DB22 Toyota GR Supra 3.0 (6MT)
§7.1 mechanical twin: BMW B58 3.0T, 382 hp @ 5800, 368 lb‑ft @ 1800. 0‑60 3.7s. 6‑speed manual available 2023+.
§7.2 fixed roof stiffness: +25% torsional rigidity over Z4. Trunk 10.2 cu‑ft. Track weapon.
§7.3 B58 reliability: 24car‑repair B58 timing chain guide, HPFP issues covered.
08‑G22 BMW M440i xDrive Convertible
§8.1 B58 mild hybrid: 382 hp, 369 lb‑ft + 11 hp starter gen. 0‑60 4.2s (xDrive). Fabric roof 18s cycle.
§8.2 rear seats & trunk: 9.0 cu‑ft, seats fold. iDrive 8.5. US all‑season roadster alternative.
09‑UR80 Lexus LC 500 Convertible
§9.1 2UR‑GSE 5.0L: 471 hp @ 7100, 398 lb‑ft @ 4800. 10‑speed automatic. 0‑60 4.4s.
§9.2 luxury touring: 5.4 cu‑ft trunk, 4 seats. Handbuilt. Reliability exceptional.
10‑S650 Ford Mustang GT Convertible
§10.1 4th gen Coyote: 480 hp, 415 lb‑ft. 10‑speed auto or 6MT. 0‑60 4.0s. Rear seat, 11.4 cu‑ft.
§10.2 us icon: drift brake, digital dash. massive aftermarket.
