Car comparison

TVR Chimaera 5.0vsBMW 6 Series Convertible (E64) 645Ci

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

TVR Chimaera

5.0

340 hp4997 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible1992-1997

BMW 6 Series Convertible (E64)

645Ci

333 hp4398 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2003-2005

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

TVR Chimaera 5.0

Quickest 0-100 km/h
5.5 s
Fastest top speed
271 km/h
168 mph
Most powerful
340 hp
254 kW
Highest torque
481 Nm
355 lb-ft
Lightest
1,060 kg
2,337 lb
Best power-to-weight
321 hp/t
239 kW/t
3.1 kg/hp
Largest trunk
310 L
Best overall score
60/100
Best performance score
72/100

BMW 6 Series Convertible (E64) 645Ci

Best economy score
72/100
Best practicality score
45/100

Specification comparison

Specification comparison
Model	TVRChimaera5.0	BMW6 Series Convertible (E64)645Ci
Power	340hp254kW	333hp248kW
Torque	481Nm355lb-ft	450Nm332lb-ft
Curb weight	1,060kg2,337lb	1,815kg4,001lb
Gross weight	1,280kg2,822lb	2,215kg4,883lb
Top speed	271 km/h 168 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	61.7s99% target: 268 km/h / 167 mph Calculated	87.6s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.5s	6.1s
0-200 km/h	16.9s Calculated	22.6s Calculated
0-60 mph	5.3s Calculated	5.8s Calculated
Fuel consumption	-	12.9L/100 km18.2mpg US21.9mpg UK
Fuel consumption city	-	18.5L/100 km12.7mpg US15.3mpg UK
Fuel consumption highway	-	9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile	13.5s Calculated	14.2s Calculated
Power-to-weight	321hp/t239kW/t145hp/1000 lb Calculated	183hp/t137kW/t83hp/1000 lb Calculated
Torque-to-weight	454Nm/t304lb-ft/ton Calculated	248Nm/t166lb-ft/ton Calculated
Estimated range	-	543km337mi Calculated
Displacement	4,997cc305cu in	4,398cc268cu in
Length	3,965mm156in	4,820mm190in
Width	1,730mm68in	1,855mm73in
Height	1,223mm48in	1,373mm54in
Wheelbase	2,282mm90in	2,780mm109in
Front track	1,460mm57in	1,558mm61in
Rear track	1,470mm58in	1,592mm63in
Trunk volume	310L	300L
Max trunk volume	-	350L
Doors	2	2
Seats	2	4
Fuel tank	57L	70L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

TVR Chimaera 5.0BMW 6 Series Convertible (E64) 645CiPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
TVRChimaera5.0	5,250 rpm	3,750 rpm	5,500 rpm
BMW6 Series Convertible (E64)645Ci	6,100 rpm	3,600 rpm	6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	TVRChimaera5.0	BMW6 Series Convertible (E64)645Ci
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.3 s	5.8 s
0-100 km/h 0-62 mph	5.5 s	6.1 s
0-200 km/h 0-124 mph	16.9 s	22.6 s
Top speed	271 km/h 168 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.4 s	2.3 s
330 ft 101 m	6.1 s	6.2 s
1/8 mile 201 m	9.0 s	9.3 s
1000 ft 305 m	11.4 s	12.0 s
1/4 mile 402 m	13.5 s	14.2 s
Trap speed 1/4 mile 402 m	179 km/h 111 mph	163 km/h 102 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
TVRChimaera5.0	340 hp 254 kW
BMW6 Series Convertible (E64)645Ci	333 hp 248 kW

TVR Chimaera 5.0 has 7 hp more than BMW 6 Series Convertible (E64) 645Ci.

The biggest power difference is between BMW 6 Series Convertible (E64) 645Ci and TVR Chimaera 5.0: 7 hp (5 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
TVRChimaera5.0	481 Nm 355 lb-ft
BMW6 Series Convertible (E64)645Ci	450 Nm 332 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
TVRChimaera5.0	1,060 kg 2,337 lb
BMW6 Series Convertible (E64)645Ci	1,815 kg 4,001 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
TVRChimaera5.0	271 km/h 168 mph
BMW6 Series Convertible (E64)645Ci	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
TVRChimaera5.0	5.5 s
BMW6 Series Convertible (E64)645Ci	6.1 s

The biggest 0-100 km/h difference is between TVR Chimaera 5.0 and BMW 6 Series Convertible (E64) 645Ci: 0.6 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
TVRChimaera5.0	321 hp/t 239 kW/t 3.1 kg/hp
BMW6 Series Convertible (E64)645Ci	183 hp/t 137 kW/t 5.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
TVRChimaera5.0	340 hp 254 kW	5.5 s	271 km/h 168 mph
BMW6 Series Convertible (E64)645Ci	333 hp 248 kW	6.1 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

TVRChimaera5.0

Power	340 hp 254 kW
0-100 km/h	5.5 s
Top speed 271 km/h 168 mph

Doors/seats	2 doors 2 seats
Trunk	310 L 10.9 cu ft
Length	3,965 mm 156.1 in
Height	1,223 mm 48.1 in

BMW6 Series Convertible (E64)645Ci

Power	333 hp 248 kW
0-100 km/h	6.1 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,820 mm 189.8 in
Height	1,373 mm 54.1 in

Detailed score breakdown

Vehicle

TVRChimaera5.0

BMW6 Series Convertible (E64)645Ci

Power

340 hp

254 kW

333 hp

248 kW

Torque

481 Nm

355 lb-ft

450 Nm

332 lb-ft

Acceleration

5.5 s

6.1 s

Top speed

271 km/h

168 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,060 kg

2,337 lb

1,815 kg

4,001 lb

Fuel consumption

12.9 L/100 km

18.2 mpg US

21.9 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	310 L 10.9 cu ft
Length	3,965 mm 156.1 in
Height	1,223 mm 48.1 in

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,820 mm 189.8 in
Height	1,373 mm 54.1 in

Range score

543 km

337 mi

Trunk score

310 L

10.9 cu ft

300 L

10.6 cu ft

Power-to-weight score

321 hp/t

239 kW/t

3.1 kg/hp

183 hp/t

137 kW/t

5.5 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	BMW 6 Series Convertible (E64) 645Ci
Consumption	12.9 L/100 km18.2 mpg US21.9 mpg UK
Cost / 100 km	22.58 LC100 km
Cost / 100 mi	36.33 LC100 mi
Annual fuel used	1,935 L511 US gal426 UK gal
Annual fuel cost	3,386 LC/year