The Comparative Analysis :
BMW i8 Roadster (18 - ..) vs. Audi R8 Spyder 4.2 FSI quattro (10 - 12)
€ 155,000
€ 123,200
€ 155,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW i8 Roadster is considerably bigger in every dimension. It's 10.2 inches longer, 1.5 inches wider and 1.8 inches taller than the Audi R8 Spyder 4.2 FSI.
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
50.7
76.5
87.3
49
75
79.9
76.5 in
Width
75 in
87.3 in
Width Incl. Mirrors
79.9 in
50.7 in
Height
49 in
110.2
184.6
104.3
174.4
184.6 in
Length
174.4 in
110.2 in
Wheelbase
104.3 in
Vehicle Weight
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
3682 lb
Curb Weight
3825 lb
4332 lb
Gross Vehicle
Weight
Weight
4321 lb
Weight Difference:
143 lb
3.74 %
General
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
I15
Generation
42
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
3-cylinder plug-in hybrid gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW B38
Engine Series
B38-K15
Engine Code
CNDA
4
Valves
4
3
Cylinders
8
1.5 L / 73 cu in
Displacement
4.2 L / 206 cu in
369 hp
at 5800 rpm
Power
424 hp
at 7900 rpm
BMW i8 Roadster
369 hp
424 hp
Audi R8 Spyder 4.2 FSI
420 lb‑ft
at 3700 rpm
Max. Torque
317 lb‑ft
at 4500 rpm
BMW i8 Roadster
420 lb‑ft
317 lb‑ft
Audi R8 Spyder 4.2 FSI
Performance
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
155 mph
Maximum Speed
186 mph
4.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
210 ft
0.000 sec
BMW i8 Roadster
62 mph
62
mph
mph
220 ft
0.000 sec
Audi R8 Spyder 4.2 FSI
▶ REPLAY
9.98 lb/hp
Weight-to-Power Ratio
9.02 lb/hp
BMW i8 Roadster
9.98 lb/hp
9.02 lb/hp
Audi R8 Spyder 4.2 FSI
Fuel Economy / Emissions
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
Fuel Economy
118 mpg
combined
16 mpg
BMW i8 Roadster
118 mpg
16 mpg
Audi R8 Spyder 4.2 FSI
No data
city
11 mpg
No data
highway
No data
7.9 gal
Fuel Tank Capacity
21.1 gal
932 mi
Range
345 mi
BMW i8 Roadster
932 mi
345 mi
Audi R8 Spyder 4.2 FSI
Environmental Impact
37.8 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
272.8 kWh
BMW i8 Roadster
37.8 kWh
272.8 kWh
Audi R8 Spyder 4.2 FSI
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 5
80 g/mi (WLTP)
CO2 Emissions
542 g/mi (NEFZ)
Practical Convenience
BMW i8 Roadster
Audi R8 Spyder 4.2 FSI
3
Doors
2
2
No. of Seats
2
650 lb
Maximum Payload
496 lb
2.5 cu ft
Trunk Volume
2.8 cu ft
No data
Cargo Volume (Seats Down)
No data
