Mazda RX-8
Car comparison
Mazda RX-8 1.3 WankelvsRenault Megane II Coupe (PHASE II) RS 2.0 16V
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonRenault Megane II Coupe (PHASE II)
RS 2.0 16V
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mazda RX-8 1.3 Wankel
- Quickest 0-100 km/h6.5 s
- Fastest top speed255 km/h158 mph Unrestricted240 km/h149 mph Restricted
- Most powerful240 hp179 kW
- Lightest1,330 kg2,932 lb
- Best power-to-weight180 hp/t135 kW/t5.5 kg/hp
- Best overall score56/100
- Best performance score57/100
Renault Megane II Coupe (PHASE II) RS 2.0 16V
- Highest torque300 Nm221 lb-ft
- Lowest combined fuel consumption8.4 L/100 km28.0 mpg US33.6 mpg UK
- Best estimated range714 km444 mi
- Largest trunk330 L
- Best economy score84/100
- Best practicality score56/100
Specification comparison
| Model | MazdaRX-81.3 Wankel | RenaultMegane II Coupe (PHASE II)RS 2.0 16V |
|---|---|---|
| Power | 240hp179kW | 224hp167kW |
| Torque | 216Nm159lb-ft | 300Nm221lb-ft |
| Curb weight | 1,330kg2,932lb | 1,355kg2,987lb |
| Gross weight | 1,728kg3,810lb | 1,820kg4,012lb |
| Top speed | Unrestricted 255 km/h158 mph Restricted 240 km/h149 mph Calculated | 236 km/h 147 mph |
| To 99% top speed | 82.7s99% target: 252 km/h / 157 mph Calculated | 81.9s99% target: 234 km/h / 145 mph Calculated |
| 0-100 km/h | 6.5s | 6.5s |
| 0-200 km/h | 23.5s Calculated | 28.1s Calculated |
| 0-60 mph | 6.2s Calculated | 6.2s Calculated |
| Fuel consumption | 11.4L/100 km20.6mpg US24.8mpg UK | 8.4L/100 km28mpg US33.6mpg UK |
| Fuel consumption city | - | 11.4L/100 km20.6mpg US24.8mpg UK |
| Fuel consumption highway | - | 6.6L/100 km35.6mpg US42.8mpg UK |
| Quarter mile | 14.5s Calculated | 14.6s Calculated |
| Power-to-weight | 180hp/t135kW/t82hp/1000 lb Calculated | 165hp/t123kW/t75hp/1000 lb Calculated |
| Torque-to-weight | 162Nm/t109lb-ft/ton Calculated | 221Nm/t148lb-ft/ton Calculated |
| Estimated range | 535km332mi Calculated | 714km444mi Calculated |
| Displacement | 1,308cc80cu in | 1,998cc122cu in |
| Length | 4,435mm175in | 4,228mm166in |
| Width | 1,770mm70in | 1,777mm70in |
| Height | 1,340mm53in | 1,436mm57in |
| Wheelbase | 2,700mm106in | 2,617mm103in |
| Front track | 1,500mm59in | 1,517mm60in |
| Rear track | 1,505mm59in | 1,521mm60in |
| Trunk volume | 290L | 330L |
| Max trunk volume | - | 1,190L |
| Doors | 4 | 3 |
| Seats | 4 | 5 |
| Fuel tank | 61L | 60L |
| CO2 emissions | - | 199g/km |
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.
- Mazda RX-8 1.3 Wankel: Power / Torque
- Renault Megane II Coupe (PHASE II) RS 2.0 16V: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| MazdaRX-81.3 Wankel | 8,200 rpm | 7,500 rpm | 8,450 rpm |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 5,500 rpm | 3,000 rpm | 5,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | MazdaRX-81.3 Wankel | RenaultMegane II Coupe (PHASE II)RS 2.0 16V |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 6.2 s | 6.2 s |
0-100 km/h 0-62 mph | 6.5 s | 6.5 s |
0-200 km/h 0-124 mph | 23.5 s | 28.1 s |
| Top speed | Unrestricted 255 km/h158 mph Restricted 240 km/h149 mph Likely limited | 236 km/h 147 mph |
| Drag race simulation | ||
60 ft 18 m | 2.4 s | 2.4 s |
330 ft 101 m | 6.4 s | 6.3 s |
1/8 mile 201 m | 9.6 s | 9.5 s |
1000 ft 305 m | 12.3 s | 12.3 s |
1/4 mile 402 m | 14.5 s | 14.6 s |
Trap speed 1/4 mile 402 m | 162 km/h 100 mph | 156 km/h 97 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 240 hp 179 kW |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 224 hp 167 kW |
Mazda RX-8 1.3 Wankel has 16 hp more than Renault Megane II Coupe (PHASE II) RS 2.0 16V.
The biggest power difference is between Renault Megane II Coupe (PHASE II) RS 2.0 16V and Mazda RX-8 1.3 Wankel: 16 hp (12 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 216 Nm 159 lb-ft |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 300 Nm 221 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 1,330 kg 2,932 lb |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 1,355 kg 2,987 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | Unrestricted 255 km/h158 mph Restricted 240 km/h149 mph |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 236 km/h 147 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 6.5 s |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 6.5 s |
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 8.4 L/100 km 28.0 mpg US 33.6 mpg UK |
The biggest fuel consumption difference is between Renault Megane II Coupe (PHASE II) RS 2.0 16V and Mazda RX-8 1.3 Wankel: 3.0 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 180 hp/t 135 kW/t 5.5 kg/hp |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 165 hp/t 123 kW/t 6.0 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| MazdaRX-81.3 Wankel | 535 km 332 mi |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 714 km 444 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| MazdaRX-81.3 Wankel | 240 hp 179 kW | 6.5 s | Unrestricted 255 km/h158 mph Restricted 240 km/h149 mph |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 224 hp 167 kW | 6.5 s | 236 km/h 147 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 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MazdaRX-81.3 Wankel |
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| RenaultMegane II Coupe (PHASE II)RS 2.0 16V |
|
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| MazdaRX-81.3 Wankel |
| 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | ||||||
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V |
| 8.4 L/100 km 28.0 mpg US 33.6 mpg UK | ||||||
Renault Megane II Coupe (PHASE II) RS 2.0 16V is closest to the top-right balance target for performance and fuel economy.
Acceleration vs fuel consumption
Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| MazdaRX-81.3 Wankel | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | 6.5 s |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 8.4 L/100 km 28.0 mpg US 33.6 mpg UK | 6.5 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| MazdaRX-81.3 Wankel | 180 hp/t 135 kW/t 5.5 kg/hp | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK |
| RenaultMegane II Coupe (PHASE II)RS 2.0 16V | 165 hp/t 123 kW/t 6.0 kg/hp | 8.4 L/100 km 28.0 mpg US 33.6 mpg UK |
Detailed score breakdown
| Vehicle | MazdaRX-81.3 Wankel | RenaultMegane II Coupe (PHASE II)RS 2.0 16V | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 240 hp 179 kW | 224 hp 167 kW | ||||||||||||||||
| Torque | 216 Nm 159 lb-ft | 300 Nm 221 lb-ft | ||||||||||||||||
| Acceleration | 6.5 s | 6.5 s | ||||||||||||||||
| Top speed | Unrestricted 255 km/h158 mph Restricted 240 km/h149 mph | 236 km/h 147 mph | ||||||||||||||||
| Lightness | 1,330 kg 2,932 lb | 1,355 kg 2,987 lb | ||||||||||||||||
| Fuel consumption | 11.4 L/100 km 20.6 mpg US 24.8 mpg UK | 8.4 L/100 km 28.0 mpg US 33.6 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 535 km 332 mi | 714 km 444 mi | ||||||||||||||||
| CO2 score | - | 199 g/km | ||||||||||||||||
| Trunk score | 290 L 10.2 cu ft | 330 L 11.7 cu ft | ||||||||||||||||
| Power-to-weight score | 180 hp/t 135 kW/t 5.5 kg/hp | 165 hp/t 123 kW/t 6.0 kg/hp | ||||||||||||||||
| Overall | Fixed score | Fixed score |
Fuel cost and annual usage
Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.
Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.
LC = Local Currency
| Vehicle | Mazda RX-8 1.3 Wankel | Renault Megane II Coupe (PHASE II) RS 2.0 16V |
|---|---|---|
| Consumption | 11.4 L/100 km20.6 mpg US24.8 mpg UK | 8.4 L/100 km28 mpg US33.6 mpg UK |
| Cost / 100 km | 19.95 LC100 km | 14.70 LC100 km |
| Cost / 100 mi | 32.11 LC100 mi | 23.66 LC100 mi |
| Annual fuel used | 1,710 L452 US gal376 UK gal | 1,260 L333 US gal277 UK gal |
| Annual fuel cost | 2,993 LC/year | 2,205 LC/year |
Head-to-head comparisons
Mazda RX-8 1.3 Wankel
- Has 16 hp more
- Is 25 kg lighter
- Has 19 km/h (12 mph) higher top speed
- Has 15 hp/t better power-to-weight
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Lightest
- Best power-to-weight ratio
Cons
- Highest combined fuel consumption
- Smallest trunk
Renault Megane II Coupe (PHASE II) RS 2.0 16V
- Has 84 Nm more
- Uses 3.0 L/100 km less fuel
- Has 179 km (111 mi) more estimated range
- Has 40 L more trunk volume
Pros
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
- Largest trunk
Cons
- Lowest power
- Heaviest
- Lowest top speed
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