BMW Z4 vs Mercedes-Benz SLC300
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2020 Mercedes-Benz SLC300
Overview
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| Selected trim | sDrive30i | SLC 300 |
| Body style | Convertible | Convertible |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2020 |
Pricing & market
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| MSRP | $56,100 | $49,950 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| Combined MPG | 28 MPG (best) | 27 MPG |
| City MPG | 25 MPG (best) | 23 MPG |
| Highway MPG | 33 MPG (best) | 32 MPG |
| Fuel tank | 13.7 gal | 15.9 gal (best) |
Performance
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| Horsepower | 255 hp (best) | 241 hp |
| Torque | 295 lb-ft (best) | 273 lb-ft |
| Engine size | 2 L | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| Seating | 2 seats | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | 9.9 cu ft | 10.1 cu ft (best) |
| Payload | 459 lbs (best) | — |
| Curb weight | 3,314 lbs (best) | 3,384 lbs |
| Ground clearance | — | 4.4 in (best) |
| Wheelbase | 97.2 in (best) | 95.7 in |
| Length | 170.7 in (best) | 162.8 in |
| Width | 73.4 in (best) | 71.5 in |
| Height | 51.4 in (best) | 51.3 in |
Safety & recalls
| Spec | BMW Z4sDrive30i | Mercedes-Benz SLC300SLC 300 |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | — |
| Frontal crash (passenger) | Not Rated | — |
| Side crash (driver) | Not Rated | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | Not Rated | — |
| Rollover | Not Rated | — |
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | BMW Z4 | Mercedes-Benz SLC300 |
|---|---|---|
| 1 | sDrive30i $56,100 MSRP(Currently comparing) | SLC 300 $49,950 MSRP(Currently comparing) |
| 2 | M40i $68,400 MSRP | — |
BMW Z4 vs Mercedes-Benz SLC300 FAQ
- Which is better: 2026 BMW Z4 or 2020 Mercedes-Benz SLC300?
- It depends on priorities. OpenDealer compares 2026 BMW Z4 vs 2020 Mercedes-Benz SLC300 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 BMW Z4 or 2020 Mercedes-Benz SLC300?
- Based on starting MSRP, the 2020 Mercedes-Benz SLC300 starts lower at $49,950.
- Which has better startingMsrp: 2026 BMW Z4 or 2020 Mercedes-Benz SLC300?
- The 2020 Mercedes-Benz SLC300 leads on startingMsrp in this comparison (49,950).
- Which has better combinedMpg: 2026 BMW Z4 or 2020 Mercedes-Benz SLC300?
- The 2026 BMW Z4 leads on combinedMpg in this comparison (28).
- Which has better horsepower: 2026 BMW Z4 or 2020 Mercedes-Benz SLC300?
- The 2026 BMW Z4 leads on horsepower in this comparison (382).
- How do the NHTSA safety ratings compare for 2026 BMW Z4 vs 2020 Mercedes-Benz SLC300?
- NHTSA overall crash-test ratings in this comparison: BMW Z4 (Not Rated/5 NHTSA overall).