The Comparative Analysis :
Rolls-Royce Phantom Coupé 6.8 V12 Automatic (08 - 10) vs. Chrysler Viper GTS (99 - 02)
€ 433,500

€ 90,300

€ 433,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom Coupé 6.8 V12 is substantially bigger in every dimension. It's 45.7 inches longer, 2 inches wider and 14.3 inches taller than the Chrysler Viper.
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
62.7
78.2
86.1
48.3
76.2
84.1
78.2 in
Width
76.2 in
86.1 in
Width Incl. Mirrors
84.1 in
62.7 in
Height
48.3 in
130.7
220.8
96.2
175.1
220.8 in
Length
175.1 in
130.7 in
Wheelbase
96.2 in
Vehicle Weight
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
5776 lb
Curb Weight
3395 lb
6724 lb
Gross Vehicle
Weight
Weight
3814 lb

Weight Difference:
2381 lb
41.22 %

General
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
RR3
Generation
SR
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
V12 gasoline engine (naturally aspirated engine)
Engine Type
V10 gasoline engine (naturally aspirated engine)
4
Valves
2
12
Cylinders
10
6.7 L / 328 cu in
Displacement
8 L / 391 cu in
454 hp
at 5350 rpm
Power
379 hp
at 5100 rpm
Rolls-Royce Phantom Coupé 6.8 V12
454 hp
379 hp
Chrysler Viper
531 lb‑ft
at 3500 rpm
Max. Torque
454 lb‑ft
at 3600 rpm
Rolls-Royce Phantom Coupé 6.8 V12
531 lb‑ft
454 lb‑ft
Chrysler Viper
Performance
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
155 mph
Maximum Speed
177 mph
5.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
266 ft
0.000 sec

Rolls-Royce Phantom Coupé 6.8 V12
62 mph
62
mph
mph
210 ft
0.000 sec

Chrysler Viper
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
8.96 lb/hp
Rolls-Royce Phantom Coupé 6.8 V12
12.72 lb/hp
8.96 lb/hp
Chrysler Viper
Fuel Economy / Emissions
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
Fuel Economy
15 mpg
combined
19 mpg
Rolls-Royce Phantom Coupé 6.8 V12
15 mpg
19 mpg
Chrysler Viper
10 mpg
city
No data
21 mpg
highway
No data
26.4 gal
Fuel Tank Capacity
21.9 gal
396 mi
Range
423 mi
Rolls-Royce Phantom Coupé 6.8 V12
396 mi
423 mi
Chrysler Viper
Environmental Impact
297.4 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).
231.1 kWh
Rolls-Royce Phantom Coupé 6.8 V12
297.4 kWh
231.1 kWh
Chrysler Viper
Euro 4 III
Emission Standard
Euro 3
607 g/mi (NEFZ)
CO2 Emissions
No data
Practical Convenience
Rolls-Royce Phantom Coupé 6.8 V12
Chrysler Viper
2
Doors
2
4
No. of Seats
2
948 lb
Maximum Payload
419 lb
11.2 cu ft
Trunk Volume
7.4 cu ft






No data
Cargo Volume (Seats Down)
No data