Head to head
BMW i3 vs Mercedes-Benz AMG SL 43
The BMW i3 is a compact electric hatchback (2013-2022). The Mercedes-Benz AMG SL 43 is a two-door convertible.
Last reviewed 13 September 2026
Specifications side by side
| BMW i3 | Mercedes-Benz AMG SL 43 | |
|---|---|---|
| Power | 125kW/135kW electric motor | approx. 389PS combined |
| Battery | 42.2kWh (120Ah, later cars) | - |
| Range | up to 192 miles (309km) BEV (WLTP) | - |
| Top speed | 93mph (150km/h), electronically limited | - |
| Kerb weight | from 1345kg | - |
| Engine | - | 2.0-litre 4-cylinder, electrically assisted turbo, mild hybrid |
| Torque | - | 480Nm |
| Seats | - | 2+2 |
Sources: BMW i3, Mercedes-Benz AMG SL 43. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the i3 if...
BMW's first mass-production electric car, built on a bespoke carbon-fibre passenger cell. Specialist EV hire fleets still run i3s as a compact, characterful city car, distinct from the unrelated i3 saloon BMW launched under the same name in 2026.
Listed by
- Specialist Vehicle Hire - Portsmouth
Buy or hire the AMG SL 43 if...
An entry point into the current SL convertible range, using a smaller turbo four-cylinder rather than the V8 of higher SL grades. It is hired for open-top touring and events where a full-size sports car is not needed.
Full AMG SL 43 specifications →Common questions
What is the difference between the BMW i3 and the Mercedes-Benz AMG SL 43?
The BMW i3 is a compact electric hatchback (2013-2022); the Mercedes-Benz AMG SL 43 is a two-door convertible.
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