Porsche 911 Targa 4 (2020 – present) vs BMW i8 Roadster (2018 – 2020): specs compared

The Porsche 911 Targa 4 is the more powerful of the two, with up to 385 hp against 374 hp. It is quicker, reaching 100 km/h in 4.4 s against 4.6 s. It has the higher top speed: 290 km/h against 249 km/h. The BMW i8 Roadster uses less fuel, from 2.1 L/100 km against 9.8 L/100 km. At 4,689 mm, the BMW i8 Roadster is 170 mm longer than the Porsche 911 Targa 4. The Porsche 911 Targa 4 dates from 2020 – present, the BMW i8 Roadster from 2018 – 2020.

Specification Porsche 911 Targa 4 Porsche 911 Targa 4 2020 – present BMW i8 Roadster BMW i8 Roadster 2018 – 2020
Overview
Origin Germany Germany
Documented years 2020 – present 2018 – 2020
Body style Targa · Convertible Roadster · Convertible
Variants 1 1
Fuel Petrol Hybrid
Drive AWD AWD
Gearbox Automatic Automatic
Performance
Power 385 hp 231 hp
Torque 450 Nm 320 Nm
0–100 km/h 4.4 s 4.6 s
Top speed 290 km/h 249 km/h
Economy
Fuel economy 9.8 L/100 km 2.1 L/100 km
Dimensions
Length 4,519 mm 4,689 mm
Width 1,852 mm 1,943 mm
Height 1,298 mm 1,290 mm
Wheelbase 2,451 mm 2,799 mm
Curb weight 1,665 kg 1,670 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

More comparisons

Add more cars to this comparison