Fuel consumption: 6 of 6 variants rated.
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | BMW i8 Roadster | 2018 | Coupe | Petrol | 2.1 l/100km (134.5 mpg UK · 112.0 mpg US) |
| 2 | BMW i8 Protonic Black Edition | 2017 | Coupe | Petrol | 2.1 l/100km (134.5 mpg UK · 112.0 mpg US) |
| 3 | BMW i8 Protonic Red Edition | 2016 | Coupe | Petrol | 2.1 l/100km (134.5 mpg UK · 112.0 mpg US) |
| 4 | BMW i8 | 2015 | Coupe | Petrol | 2.1 l/100km (134.5 mpg UK · 112.0 mpg US) |
| 5 | BMW i8 First Edition | 2014 | Coupe | Petrol | 2.1 l/100km (134.5 mpg UK · 112.0 mpg US) |
| 6 | BMW i8 Coupé | 2018 | Coupe | Petrol | 1.9 l/100km (148.7 mpg UK · 123.8 mpg US) |