Car comparison

Ronart Lightning 4.6 i V8 32VvsBMW M3 Convertible (E46) 3.2i 24V

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

New comparison

Ronart Lightning

4.6 i V8 32V

325 hp4601 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible1999-2003

BMW M3 Convertible (E46)

3.2i 24V

343 hp3246 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2001-2006

Comparison overview

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

Ronart Lightning 4.6 i V8 32V

Quickest 0-100 km/h
5.0 s
Fastest top speed
290 km/h
180 mph
Highest torque
407 Nm
300 lb-ft
Lightest
1,400 kg
3,086 lb
Best power-to-weight
232 hp/t
173 kW/t
4.3 kg/hp
Lowest city consumption
16.0 L/100 km
14.7 mpg US
17.7 mpg UK
Best overall score
60/100
Best performance score
72/100

BMW M3 Convertible (E46) 3.2i 24V

Most powerful
343 hp
256 kW
Lowest highway consumption
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Best economy score
74/100
Best practicality score
44/100

Specification comparison

Specification comparison
Model	RonartLightning4.6 i V8 32V	BMWM3 Convertible (E46)3.2i 24V
Power	325hp242kW	343hp256kW
Torque	407Nm300lb-ft	365Nm269lb-ft
Curb weight	1,400kg3,086lb	1,655kg3,649lb
Gross weight	-	2,100kg4,630lb
Top speed	290 km/h 180 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	70.8s99% target: 287 km/h / 178 mph Calculated	76.2s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.0s	5.5s
0-200 km/h	15.5s Calculated	20.0s Calculated
0-60 mph	4.8s Calculated	5.2s Calculated
Fuel consumption	-	12.1L/100 km19.4mpg US23.3mpg UK
Fuel consumption city	16L/100 km14.7mpg US17.7mpg UK	17.9L/100 km13.1mpg US15.8mpg UK
Fuel consumption highway	10L/100 km23.5mpg US28.2mpg UK	8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile	13.0s Calculated	13.6s Calculated
Power-to-weight	232hp/t173kW/t105hp/1000 lb Calculated	207hp/t155kW/t94hp/1000 lb Calculated
Torque-to-weight	291Nm/t195lb-ft/ton Calculated	221Nm/t148lb-ft/ton Calculated
Estimated range	-	521km324mi Calculated
Displacement	4,601cc281cu in	3,246cc198cu in
Length	4,470mm176in	4,492mm177in
Width	1,870mm74in	1,780mm70in
Height	1,195mm47in	1,363mm54in
Wheelbase	2,590mm102in	2,731mm108in
Front track	1,590mm63in	1,508mm59in
Rear track	1,575mm62in	1,525mm60in
Trunk volume	-	300L
Doors	2	2
Seats	2	4
Fuel tank	73L	63L

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.

Ronart Lightning 4.6 i V8 32VBMW M3 Convertible (E46) 3.2i 24VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
RonartLightning4.6 i V8 32V	5,800 rpm	4,800 rpm	6,050 rpm
BMWM3 Convertible (E46)3.2i 24V	7,900 rpm	4,900 rpm	8,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	RonartLightning4.6 i V8 32V	BMWM3 Convertible (E46)3.2i 24V
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.8 s	5.2 s
0-100 km/h 0-62 mph	5.0 s	5.5 s
0-200 km/h 0-124 mph	15.5 s	20.0 s
Top speed	290 km/h 180 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.8 s	5.9 s
1/8 mile 201 m	8.6 s	8.9 s
1000 ft 305 m	11.0 s	11.5 s
1/4 mile 402 m	13.0 s	13.6 s
Trap speed 1/4 mile 402 m	183 km/h 114 mph	170 km/h 105 mph

Power comparison

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

Chart data table
Vehicle	Value
RonartLightning4.6 i V8 32V	325 hp 242 kW
BMWM3 Convertible (E46)3.2i 24V	343 hp 256 kW

BMW M3 Convertible (E46) 3.2i 24V has 18 hp more than Ronart Lightning 4.6 i V8 32V.

The biggest power difference is between Ronart Lightning 4.6 i V8 32V and BMW M3 Convertible (E46) 3.2i 24V: 18 hp (13 kW).

Torque comparison

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

Chart data table
Vehicle	Value
RonartLightning4.6 i V8 32V	407 Nm 300 lb-ft
BMWM3 Convertible (E46)3.2i 24V	365 Nm 269 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
RonartLightning4.6 i V8 32V	1,400 kg 3,086 lb
BMWM3 Convertible (E46)3.2i 24V	1,655 kg 3,649 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
RonartLightning4.6 i V8 32V	290 km/h 180 mph
BMWM3 Convertible (E46)3.2i 24V	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
RonartLightning4.6 i V8 32V	5.0 s
BMWM3 Convertible (E46)3.2i 24V	5.5 s

Although BMW M3 Convertible (E46) 3.2i 24V has more power, Ronart Lightning 4.6 i V8 32V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Ronart Lightning 4.6 i V8 32V and BMW M3 Convertible (E46) 3.2i 24V: 0.5 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
RonartLightning4.6 i V8 32V	232 hp/t 173 kW/t 4.3 kg/hp
BMWM3 Convertible (E46)3.2i 24V	207 hp/t 155 kW/t 4.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
RonartLightning4.6 i V8 32V	325 hp 242 kW	5.0 s	290 km/h 180 mph
BMWM3 Convertible (E46)3.2i 24V	343 hp 256 kW	5.5 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

RonartLightning4.6 i V8 32V

Power	325 hp 242 kW
0-100 km/h	5.0 s
Top speed 290 km/h 180 mph

Doors/seats	2 doors 2 seats
Trunk	-
Length	4,470 mm 176.0 in
Height	1,195 mm 47.0 in

BMWM3 Convertible (E46)3.2i 24V

Power	343 hp 256 kW
0-100 km/h	5.5 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	4,492 mm 176.9 in
Height	1,363 mm 53.7 in

Detailed score breakdown

Vehicle

RonartLightning4.6 i V8 32V

BMWM3 Convertible (E46)3.2i 24V

Power

325 hp

242 kW

343 hp

256 kW

Torque

407 Nm

300 lb-ft

365 Nm

269 lb-ft

Acceleration

5.0 s

5.5 s

Top speed

290 km/h

180 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,400 kg

3,086 lb

1,655 kg

3,649 lb

Fuel consumption

12.1 L/100 km

19.4 mpg US

23.3 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	-
Length	4,470 mm 176.0 in
Height	1,195 mm 47.0 in

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,492 mm 176.9 in
Height	1,363 mm 53.7 in

Range score

521 km

324 mi

Trunk score

300 L

10.6 cu ft

Power-to-weight score

232 hp/t

173 kW/t

4.3 kg/hp

207 hp/t

155 kW/t

4.8 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 M3 Convertible (E46) 3.2i 24V
Consumption	12.1 L/100 km19.4 mpg US23.3 mpg UK
Cost / 100 km	21.18 LC100 km
Cost / 100 mi	34.08 LC100 mi
Annual fuel used	1,815 L479 US gal399 UK gal
Annual fuel cost	3,176 LC/year